A Disguised Flagpole Antenna. I thought I would share a few of my notes on tuning up a 6BTV antenna, and constructing a radial field. This Page Covers. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. The ProMaster is a Base FMJ antenna that provides a balanced limited space (permanent base or transportable) system, which maximizes effective radiated power (ERP) while maintaining a SWR on 10-80 meters and Marine HF bands of less than 2. Active amplification allows these antennas to operate over a wide HF frequency range of 9 kHz - 30 MHz or 100 kHz to 60 MHz. The design of this ANTENNA has an excellent signal to noise ratio and greatly reduces man made terrestrial electrical interference so you can hear weak signals where could not before no radials or counter poise needed, improve performance if choose use them. Vertical Antennas Projects category is a curation of 185 web resources on , The Hudson antenna, A 90 foot irrigation tubing vertical, Balloon-supported verticals. Hams have enjoyed the benefits of low power auto-tuners for years, but now Palstar takes it to the next level and offers auto-tuning with a power rating of 5 Watts to 1800 watts. 2 dbi, 200W, 1580 MM, N connector. Vertical antennas are very popular for HF operation because they fit in well to a small garden. 6 pounds, makes it very manageable during the installation process and will allow for a simple mast solution. The worst case with short radials is that you will loose some efficiency on the longer bands. The graph below shows the measured VSWR of a 6. Original: PDF 555GHz. Rain Gutter Antenna with SG-230 : 41 Countries in 5 Hours with 100 Watts into a Rain Gutter! by Jack Ciaccia, WMØG. For use 40-10m the antenna is acceptable as is. NEW Jetstream JTV-680 HF vertical base station antenna. The SE HF X-80 is an end fed aluminium vertical antenna, capable of allowing the user to work 80 metres through 6 metres bands using an ATU, also not requiring any counterpoise and can be fed using coax cable. One major premise of this design is the use of a commercial speaker stand from the music/sound. Use 1-2 inch diameter mast. Broadband Fixed Base Station Dipole & Loop HF Antenna Systems, such as the SWC100 & BBA100C. Practical HF Antennas The Radio Communication Handbook 15. Jul 13, 2015 - Harvest W8010 HF (3. Vertical Antenna - How many Ground Mounted Radials Do I Need I'm often asked this question and after 5 years of development, I think I finally have the answer thanks to both real-worl experience and the work that Rudy Severns, N6LF did in a controlled scientifically based experiment. Good idea? Ham Radio Antennas; How to build an Inverted L for the low-bands (40m, 80m and 160m). $\begingroup$ If you want a truly decent vertical without radials then you want a bottom-fed 1/2 wavelength - that is 10 meters tall, roughly. The DX Vertical is our non-stealth HF vertical antenna. But unless the antenna in question is a vertical dipole, you still need a pathway for the RF currents to return to the antenna. Spence, Effect of a Circular Groundplane on Antenna Radiation,. Just a thought. If you buy trap verticals, you will need more radials than usual. The resonate frequency lowered a bit. ] The most common balanced antenna in amateur radio is the dipole. 1594-1621, see table III, page 1617 [25] Al Christman, Maximum-Gain Radial Ground Systems For Vertical Antennas, NCJ magazine, March/April 2004, pp. 7 When to Use A Vertical • Larger commercial verticals on 40M-10M - Install high, with good radial system • Efficient wires on 160-80M - Low or on ground, with good radial system - Top loaded or full quarter wave • A few verticals don't need radials - Cushcraft R7000 is center-fed, W1JR design • To fill in nulls off ends of a high dipole When Not to Bother With A Vertical. Building and supporting this antenna on a wooden mast. Multiband options 80ft or less/no near neighbours: Vertical only with or without radials or loading Inverted 'L' or a 'T' Loaded or bent doublet Zepp or derivative G7FEK 80ft or less/near neighbours: Inverted 'L' or 'T' Loaded or bent doublet Zepp or derivative G7FEK 105-130ft -not really a small garden! Short doublet for 80m. HexTenna™ Yagi Upgrade kit ONLY. It may be usable on higher frequency bands with an antenna tuner, though it could be hard to tune on exact even harmonics in the 14Mhz and 28Mhz bands because exact 1/2 wave verticals have very high impedance. Fiberglass base antenna 430-490MHZ, without radials, 7. 0 out of 5 stars 1 $37. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. NSN 5985-01-397-6971. Get the MR6060 SuperWire Radial Set, for a big signal in a small package. PS You can put more radials on the same connection. 18 AWG) radials in the progression: 0, 4, 8, 16, 32 and 64. Both designed as smarter, stronger, and more elegant multi-band options covering every frequency from 1. GB 6m Yagi/Quad Antennas; HF Quads Monoband; GB 4m Yagi/Quad Antennas; GB 144/50/70/430MHz Quad Parts; GB 144MHz Yagi Antennas; HF Yagi Parts; GB 430MHz Yagi Antennas; GB 144-453MHz verticals; GB Broadcast Antennas; Wire Antennas; GB Special Antennas; GB Log-Per Antennas; HF Mini Beams MQ Yagi; GB Combi 4m/6m Yagi/Quad Antenna; GB 430MHz/144MHz. t This research, conducted by the legendary. The V2000 and similar antennas have a tuned radial for 50 MHz. Contact us here or call 1-940-325-3301 for more information. Reply ↓ Philippe TROTTET on April 16, 2015 at 11:34 AM said:. S9 already had a fine reputation on their line of verticals, including the 43?, 31?, and 18? models. Resources listed under Vertical Antennas category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. The Inverted-L: In principle,the inverted-L is any antenna that physically looks like a tipped-over letter L. HY-GAIN DX-88 3. Greyline 24-foot DX Vertical Antenna for all-band HF radio operation. Circumstances too long to explain forced me to run my 4 band trap vertical ( 40, 20, 15, 10 meters) with only a good ground but no radials. dbdx-41 no radial antenna on 75 meters, kc9mds testing this new anteena of his design. High Performance 40 Meters Vertical. Beranda Vertical ANTENNA HF 11 MHZ (25M) ANTENNA HF 11 MHZ (25M) noormans 11. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. Today we’re out here in Northern Wisconsin for Winter Field Day and it’s a balmy two degrees right now. Ground-mounted HF vertical antennas are popular with hams for low-angle radiation, smaller size and simplicity. Greyline 16-foot DX Flagpole Antenna, a real Flagpole approved for ham radio in HOA, smart design for Stealth, No Radials, OCF vertical antenna, a vertical-dipole, for 80-6M. 95 You Save: $50. He loved working 20 meters, but the housing community he moved into prohibited antennas that could be seen by the public. The real trick is to avoid design or installation errors. "NEW open box Jetstream JTV-680 HF vertical base station antenna. There are some Hf verticals that are advertised as no radial antennas. For use 40-10m the antenna is acceptable as is. 1 ATAS-120 antenna Fig. Clearly this radial is /4 resonant at a lower frequency than 7. Made from heavy duty aluminum, the CP6AR assembles easily, and yeilds excellent performance and reliability from a compact base station antenna. DX Engineering Radial Plates are made of 304 Stainless Steel, 1/8 inch thick and 11. Just a thought. Effect of the paired radials. This is a difficult question to answer and there is no one answer which is best for everyone who asks this ques…. I had a short tower with a 5 element 10 meter beam and 3 element 20 meter beam. This Page Covers. 6 m high, max radial length 1. on your purchase of one of the most versatile HF multi-band antennas, the Hustler® HF Base model 4-BTV, 5-BTV or 6-BTV, or a complete DX Engineering Hustler® High Performance HF Vertical System Package: models DXE-HSR-4BTV-P1, DXE-HSR-5BTV-P1 or DXE-HSR-6BTV-P1. As required by the FTC, I declare that I earn a portion of the retail price every time you buy a copy after clicking on a link on. We sell all types of base station HF Vertical Antennas for ham radio, If you are looking for quality HF-Base station antennas at a great price then look no further, We stock Vertical Antennas,And More, From all the top antenna manufacturers, Includes Cushcraft antennas, Diamond antennas,Radioworks antennas,Comet antennas,Watson Antennas and more. 5 to 50MHz with NO radials sound like relief for your CC&R and HOA restrictions? Yes, it’s true! We double-checked, twice! Our 20-foot vertical-dipole performs with confidence! Folks, those of you in restricted areas can enjoy a little more confidence working DX from 80-6M! Congratulations and CU ON …. GPA-80 HF Vertical 80-6M No Gaps No Radials & Perfect SWR With ATU 1. 6 pounds, makes it very manageable during the installation process and will allow for a simple mast solution. 2% positive Feedback Contact seller. 95 You Save: $50. 5V 211-8000-046 Vertical Antenna SEE NOTES $14. The longer of the two radials is my 40 meter radial. samurai (pre - view ) "zipped" antenna. uniqs 3091: Share I had radials cut for 10m, 20m, 40m, and 80m, 3 radials on each band. Hustler 4 BTV with no radials 20ft from base of antenna to ground with 6mm wire earth to ground spike. •Vertical HF Base station antenna • High power handling capability • Low and High radiation angle for excellent DX • Factory tuned to your specifications • heavy duty construction • waterproof • No Radials Requiered • Protection from static discharges DC-Ground • Made of aluminum alloy 6063 T-832. I have set up one of the std. I added eight more radials to 16. GPM-1500 @ groundlevel, no radials. Active amplification allows these antennas to operate over a wide HF frequency range of 9 kHz - 30 MHz or 100 kHz to 60 MHz. Inverted Vee Verses a Dipole (W6OAV) Dec 2010. Materials shouldn't be much more than $20-30, and you get a very small (3. There are some Hf verticals that are advertised as no radial antennas. Any issues with signup please use Contact Us button at bottom of any page. Higher performance, HF Multiband DX Flagpole Antenna covering 3. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. Radials • The commercial broadcast standard for radials on an HF vertical is 120 1/4 wave wires "buried" two to three inches to achieve the best low angle performance. An apartment antenna should have the following characteristics: Compact Size: This is the most obvious requirement of apartment antennas. For use 40-10m the antenna is acceptable as is. I added eight more radials to 16. " Posted on August 15, 2016 August 18, 2016 by Jose VA3PCJ The "senior" (full-length) W3EDP, as originally described (QST March 1936, pp. And pulled the gardening wire back through the hole in the fibreglass pole with the antenna wire. com The DX Flagpole Antenna is an HOA + XYL approved, No Radials needed, stealth vertical antenna system that offers you Real DX results, 160-6M. These radial wires will provide the needed electrons to move up and down the antenna, but they do not help hold the signal down along the surface of the earth. The EASP-WHF1K-ANT/NR is a broadband HF whip antenna intended for use with Automatic Link Establishment (ALE) capable equipment for HF communications. Tusk Terrabite Radial Atv Utv Tire Kit Set Of Four 4 Tires 27x9-12 And 27x11-12. In this article I'll discuss a few options and. 15 MHz) operating over average soil (conductivity = 0. Then we put down a radial plate and 60-radials of 66-feet each for the band. ¼ wave for example) are the best choice and ½ wave length radials will be an advantage over the ¼ wave. HRO Discount Price: $359. Interested in this machine? Click to Request Price. We’ve been using this antenna for about 8 years on HF with good results. EMF Blocking Curtains. 5 to 6 dB improvement as measured on 40m by Rudy Severns N6LF. A vertical with normal radials is like 36 ohms, a dipole is like 72 ohms and a vertical with 45 degree radials is around 50 ohms. Jul 13, 2015 - Harvest W8010 HF (3. Now your yard space is limited how can you put down radials 1/4-1/2 wave lengths long at ground level and why dig up a nice yard to do it?. Ground-mounted HF vertical antennas are popular with hams for low-angle radiation, smaller size and simplicity. Good idea? Ham Radio Antennas; How to build an Inverted L for the low-bands (40m, 80m and 160m). The DX Vertical is our non-stealth HF vertical antenna. – Higher noise level than a wire antenna. All bands 80-6M. Smarter, stronger and more elegant all-band ham radio antenna option. With vertical antennas there is no such thing as too many radials. 3 -4 04 0R ev HF. Got finished with the installation about 3:00 p. Specifications. Bandwidth at it's broadest! VSWR 2:1 or better at band edges on 10-40 meters. 0:1 nominal, 2. Other types of antennas need no RF ground system at all. Follow us on Facebook KENWOOD TS590SG Great HF Rig $1379. Building and supporting this antenna on a wooden mast. 1594-1621, see table III, page 1617 [25] Al Christman, Maximum-Gain Radial Ground Systems For Vertical Antennas, NCJ magazine, March/April 2004, pp. Adding Radials to Vertical HF Antenna. Radials on Vertical Antenna Systems. 3 -4 06 0R ev HF. TITAN DX $ 499. Use 1/4-20 wing nuts in place of the hex nuts supplied for faster assembly. Good article on vertical antennas. Your friends, family. Rain Gutter Antenna with SG-230 : 41 Countries in 5 Hours with 100 Watts into a Rain Gutter! by Jack Ciaccia, WMØG. 6 m high, max radial length 1. The Diamond BB7V vertical antenna provides coverage from 2 MHz to 30 MHz without radials and requires the use of a tuner. Active amplification allows these antennas to operate over a wide HF frequency range of 9 kHz - 30 MHz or 100 kHz to 60 MHz. particular vertical antenna works like a bomb with no radials at all, (b) that another doesn't need any radials because it's a “half-wave” tall on one or another band and remotely tuned, another (c) that THEIR antenna can get by with a greatly abbreviated radial system because its feedpoint is a few feet above ground, and our favorite (d) is. Here's a diagram from an antenna model showing radials. The No-Radial Vertical Yes, it is possible to design a vertical antenna that doesn’t use radials. Excellent For Portable Operation - Emergencies, RV's, Field Day. Radial Plate Included. EZNEC The use of W7EL's EZNEC comes with two calculating engines, NEC2 and NEC2D. Stay safe and healthy. I expect it to cover from 80 meters to 10 (or perhaps 6). This article will discuss installing HF antennas in locations that are deed restricted. The extra radials help overcome unknown poor-soil conditions, improve bandwidth, and ensure the best performance efficiency possible from the Butternut HF2V antenna. That is when this antenna started to play well. 2M and 70cm bands are pre-set at the factory and there are no adjustments. A 40M l/4 Vertical with Elevated Radials Larry Banks, W1DYJ for HF Verticals (and references) Rudy Severns, N6LF few long radials for a vertical antenna mounted on the ground. Traditional vertical ‘whip’ antennas fitted to vehicles for high-frequency communication suffer from a ‘skip zone’, where little or no communication is obtainable in a given area. The vertical full wavelength loop antenna is a great DX antenna without the problem of installing radials. I've been scratching my head for years how to model an appropriate ground with my ground mounted Vertical Antenna radials. Others are in a bit of retrograde motion by reducing radial length to well below the fundamental 1/4 wavelength. Radial Plate Included. & Sales 3/2 waves G5RV doublet for 6 meters. Fiberglass base antenna 430-490MHZ, without radials, 7. 95 from Ham Radio. You need lots of radials. Get it as soon as Mon, Feb 10. This vertical antenna has no lossy traps or coils to burn out. Featured Antennas. By John Portune W6NBC. Hustler 4 BTV with no radials 20ft from base of antenna to ground with 6mm wire earth to ground spike. There is no formula to calculating the length of the   radials, but they should be at least 0. Make Offer - Vintage Hustler NEW-TRONICS MODEL-RFG Vertical Antenna 150" Inc Cable European Antennas SA14-120-3. Posted date: April 12, 2017 in: Antenna No Comments. AV-640 uses 1/4 wave stubs on 6, 10, 12 and 17 meters and efficient end loading coil and capacity hats on 15, 20, 30 and 40 meters. This is because I don't have a place where I can mount a dipole antenna longer than 30 feet, or any higher than 20 feet. ) - Other (longwires, loops, etc. 2% positive Feedback Contact seller. a look at a portable set up using the hustler 5btv on a caravan using no radials. The longest piece when disassembled is only 17 inches. MOONRAKER GPA80-HF VERTICAL HF RADIAL FREE ANTENNA 80 TO 6 MTR universal - EUR 102,88. Considerations for HF radial fields •round radials do not need to be cut to specific length, 9’ -12’ will work however try to match the vertical antenna height if you can •Minimum of 4 radials will work - however for good antenna performance, put down at least 8 and 16 or more if you can. We carry the entire line of LDG vertical antennas. My question is this: just how important is a choke balun when using a ground-mounted HF (for 40M) quarter-wave vertical antenna with 32 quarter-wave buried radials?. January 24, 2018 No comments. You see, at this point, the antenna was quite literally only half complete. Fiberglass base antenna 430-490MHZ, without radials, 7. My antenna is set up in a fenced off area, with no open access, where I have my radials elevated to only about 18" off the ground. 10-80 meter Alpha 31 Foot Portable & Base antenna. High-frequency radar systems use the return signal scattered off the ocean surface to measure the range, bearing, and radial velocity of the scattering surface toward or away from the antenna. Ground Independent Multiband Antennas 6 m 40 m 20 m 15 m Capacity Hats Balun/ Choke Insulated tubing Mast Coax Vertically Polarized Loaded Dipole 40 m Loading Coil Center 2 m Fed Remember Hustler HF Mobile antennas? This is basically what this design is-only mechanically mounted on a mast Just put to two of them back-to-back and use three. Remote Tuners No radial verticals Diamond BB7V, 22 ft, 250 W, 2 to 30 MHz. The CP6 is a multi-band trap-vertical antenna for HF bands, covering the 80*, 40, 20, 15, 10 & 6m amateur bands. To operate multiband, traps had to be placed at appropriate points to shorten the antenna to a 1/4 wave on various. 000m- Fullsize ( 13M ) loco. To set up the simulation, I copied a vertical antenna with four radials from the Cebik model set available for purchase on his web site. No Radials, very low loss, lower angle, very efficient, and high performance. 29 foot 10/12/15/17/20/30/40 No Radial HF Vertical Antenna w/ 1500W PEP. the antenna is 41 feet of radiator on top of a 75 foot tower, it is totaly isolated from the tower, where. Some vendors, understanding the problem radials solve, are adding a second set of radials (or equivalent) 1/4 wavelength beneath the first to further improve decoupling of the antenna from the feedline and mounting structure. I am often asked, “what is a good first antenna for use on the HF bands”. FREE Shipping by Amazon. I decided to compare a ground mounted Hy-Gain AV-12 AVQ, Triband HF vertical for 10M, 15M & 20M to my loop and dipole antennas. The most efficient of these verticals are actually vertical dipoles. The radials should always be the same length, but I have found that you can vary them about,. Or tell your mates to check them out. A normal broadcast antenna uses 120 radials. Note that when the radials are longer than 30 inches, the take off angle changes dramatically, since the radials now dominate the antenna performance. Smarter, stronger and more elegant all-band ham radio antenna option. These are sold in singles, 8 required to make a complete set. Excellent For Portable Operation - Emergencies, RV's, Field Day. Top Rated Plus. I am often asked, “what is a good first antenna for use on the HF bands”. Up to 100 kHz. HF Broadband Dipole 1. The Palstar AT-2K is the tuner of choice. ) - Other (longwires, loops, etc. The end fed half wave antenna is a classic HF antenna. Interested in this machine? Click to Request Price. In the past, I never seriously considered installing an extensive array of ground wires for my HF system due to the daunting task of making trenches to bury the wires. 5' each side), high performing antenna. com The DX Flagpole Antenna is an HOA + XYL approved, No Radials needed, stealth vertical antenna system that offers you Real DX results, 160-6M. Granted, every antenna is a compromise and a flag pole antenna is no exception. The team at DX Engineering explored ways to improve the BTV Series Antennas by lowering resonant frequency and altering the impedance at resonance through adding a radial ground system. But unless the antenna in question is a vertical dipole, you still need a pathway for the RF currents to return to the antenna. For an antenna with a D of 10 m and for λ at 10 m (30 MHz), R is 20 m (66 ft), which is near the 80-ft radius of the APR. 2 dbi, 200W, 1580 MM, N connector. Smarter, stronger and more elegant all-band ham radio antenna option. The radials should be at least 1/4 wave long for each band and as many as you can put down under the antenna for best performance and low swr. Towers Aluminium towers TV & Wi-Fi masts Tubular towers HF Antennas Multibanders Verticals WARC antennas Monobanders 80 m (3. You need something to act as the other half. 11MHZ (26m) Rp. View the manufactures page for BB7V View the eham review page for BB7V The new BB7V multiband vertical antenna provides coverage from 2 MHz to 30 MHz without radials and requires the use of a tuner. Stay safe and healthy. dbdx-41 no radial antenna on 75 meters, kc9mds testing this new anteena of his design. uniqs 3091: Share I had radials cut for 10m, 20m, 40m, and 80m, 3 radials on each band. The antenna is calculated for a specific length, usually 1/4 wavelength. It can be fed at the low impedance point at the centre as a half wave dipole or fed at the high impedance point at either end. Simple Multi-Band Vertical Dipole This simple multi-band vertical described below will give you very good performance on 40 through 10m and even work relatively well on 80m. 5-54MHZ MFJ-2386 HF/6M 250W Compact Vertical Antenna 3. I am often asked, “what is a good first antenna for use on the HF bands”. | QST July 2019 | -- High-performance HF no-radial Kite-shaped Vertical Superior permance compared to equal size vertical with radials | QST June 2019 | -- Improved 3D- Printed VHF/UHF S0-239 Groundplane 3D printed ruggedized ground plane antenna using a chassis-mount SO-239 connector. Brand new parts for this antenna assembly, including the $50 speaker stand, will set you back about $250… more than a little, less than a lot. Vertical HF antennas do have their merit though. Of particular interest was how much was actually to gained as the radial numbers were made larger and the point of vanishing returns. Use 1/4-20 wing nuts in place of the hex nuts supplied for faster assembly. From that point on, if anyone could be worked on 80-meters, the vertical was the antenna that got the contact. The radials may be cut from 4 or 5-conductor rotor cable or made from individual wires. Take a end fed 1/2 wl wire. West, Toronto Ontario M3N1V7 Tel: 416-667-1000 [email protected] Buy Hf Vertical Antenna and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items 20 product ratings 20 product ratings - Ham Radio Antenna SE HF-X80 VERTICAL RADIAL FREE ANTENNA 80 TO 6 METRES. amateur antennas & accessories AMATEUR RADIO RECEIVERS AND TRANSCEIVERS BHI SPEAKERS AND EQUALISERS. Requires a 3/32" Allen/hex key for locking/unlocking its two hex grub screws in order to adjust the INCLUDED stainless steel whip to the desired frequency on 80m. Plug and play 80 through to 6m with perfect SWR when used with an external ATU. In contrast vertical loop can be at ground level and still have low take off angle. For full functionality of this site it is necessary to enable JavaScript. The OMNI-A0287 is a wideband wire cone HF omni-directional antenna that operates over the 1 to 30 MHz band with a VSWR of less than 2. Also Great For Limited Spaces. Yes, one hundred and twenty of them!. A study of 2 Meter Vertical Antenna Radials. Kimpex Nomad. At my present QTH, the antennas are prohibited by the rules of my HOA. At just 23. A portable antenna does not have to be an epic quest. May take some effort to get antenna up in a tree. The radial velocity is determined using Bragg peaks in the spectra of the backscattered signal ( Barrick 1972 ; Barrick et al. Man I never had so much fun working a contest. Lectures by Walter Lewin. Greylineperformance. Magnetic antennas can be built very compact, good for limited spaces or 'mobile' use, e. 2 — This scale model of the test antenna system was built before construction of the full- size version was undertaken. High Performance 40 Meters Vertical. Wind Load: 29 lb. Shakespeare embeds parallel copper conductors around the circumference of finest quality fiberglass for maximum strength and freedom from. No radials required Mounts to 1" to 2" mast Covers 3. 2 MHz on 33' radials (sum of four radials). The key to any practical ground mounted vertical antenna is radials, radials and more radials. HF Ham Radio Antennas For Apartments. It’s cheap to build and resilient and on all bands that are miltiples of it’s primary resonant frequency, it does have some directional gain in the direction away from the feed-point. Tripod for the Portable HF Antenna. Contact us here or call 1-940-325-3301 for more information. These antennas perform well in restricted space areas. At the base of the antenna is a 4:1 homebrew UNUN and an extensive ground radial network. The HF6V is an easy to erect and tune antenna that will last you for many years. WITH ELEVATED RADIALS. Radials or other counterweights are not necessary, the radiation is largely independent of the distance of the antenna to the ground. These are sold in singles, 8 required to make a complete set. 2 MHz on 33' radials (sum of four radials). The antenna is designed to be flexible so that it does not break easily, and the name is derived from the whip-like motion that it exhibits when disturbed. So far so good, very impressed with the service from HyEnd Co. Featured Antennas. Vertical Antenna Considerations. THIS IS: The model MR6060 SuperWire Radial Set by Super Antenna. A - I would start with 32 radials and add more if needed, make the length of the radials the same height of your antenna. A tall order indeed! The radiating element of a vertical monopole antenna is basically half of a dipole. Yes, one hundred and twenty of them!. Shark HF Hamsticks, American Made, Review And Testing. The four included radials are 16 feet, 8 inches long. The following tables show the recommended lengths to use for antenna wire based on the bands you wish to cover. Your latest requests have been for an antenna that’s easy to setup, needs no radials, covers 10m-80m in addition to all the WARC bands and uses the same GAP technology found in our other products. 5" Mast size: 1. Butternut Notes. Some hams complain that radials narrow the bandwidth of the antenna. It handles up to 250W PEP SSB Power. Hy-Gain AV-14AVQ Four-Band HF Vertical Antennas are omnidirectional, self-supporting, trapped vertical radiators that operate in the 10, 15, 20, and 40 meter amateur bands. 092 wavelength long -2Rr decreases approximately as 1/(length) -So Rr is approximately 5 ohms -With 10 ohms ground loss, the efficiency is 33% - Assumes no trap/inductor losses (trap loss could add 2dB). However, they did not prohibit a flagpole to show off the colors. This item is currently out of stock. Radials on Vertical Antenna Systems. A 33' vertical is one of the best size compromises you can use for the lower HF frequencies and while a vertical of this size will work on 12m and 10m, the antenna is a little long for these bands meaning the angle of radiation is not quite as low as on the lower HF bands. The name of this antenna is a non-resonant HF vertical antennas. Comet Vertical Antenna Check Latest Price On Amazon. Without Radials. 7 When to Use A Vertical • Larger commercial verticals on 40M-10M - Install high, with good radial system • Efficient wires on 160-80M - Low or on ground, with good radial system - Top loaded or full quarter wave • A few verticals don't need radials - Cushcraft R7000 is center-fed, W1JR design • To fill in nulls off ends of a high dipole When Not to Bother With A Vertical. Cable length is required to reach the shack room. Please wash your hands and practise social distancing. W5ALT Antenna Radial Notes. Introduction Vertical antennas come in all shapes, sizes, lengths, and whether or not ground radials are used. Normal 0 false false false EN-GB X-NONE X-NONE MicrosoftInternetExplorer4 MOONRAKER GPA80 HF VERTICAL RADIAL FREE ANTENNA 80 TO 6 METRES good for icom kenwood yaesu alinco and more The Moonraker GPA80 HF The Mooraker gpa80 hf is an end fed aluminium vertical antenna, capable of allowing the user to work 80. The CP6A multi-band trap-vertical antenna for HF bands, covering the 80*, 40*, 20, 15, 10 and 6m amateur bands. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. Put them to work and build a vertical that will shake the air with energy. ROTARI DIPOLE. >> Could you recommend me a HF vertical multiband antenna >> (80,40,20,10 or more bands) which doesn't require >> radials? > > Is there a commercial HF vertical available in > Spain that doesn't require radials? There are lots of "no-radial" verticals on the market. The system includes two remote transmit–receive sites in Brant Beach and Brigantine, New Jersey, and a central processing site in Tuckerton, New Jersey. To keep the efficiency of the antenna high, which reduces losses, and stops keeping worms warm, you need to use at least (an ugly minimum of) 12 radials that are slightly more than a quarter wave long at the lowest frequency you will be using. Vertical Antenna & Mast Kit $165. - Assembled in 20 minutes by two persons. Antenna HF Base • Frequency Range TX: 3. 1 mHz), and a few at 38, and a few at 30 feet. No Radials for Higher Performance, Lower Angles, Lower Noise and Lower Loss, for DX 80-6M. I'm not an expert on this but generally speaking, some amount of tuned 1/4 wavelength ground radials will decouple the vertical antenna from its mast sufficiently where no RF currents will be flowing on the mast or coax and at that point the elevated antenna is its own entity and further grounding to earth with ground rods or radials below will have little or no effect on its performance. 95 from Ham Radio. If you buy trap verticals, you will need more radials than usual. The purpose of the HFpack Pedestrian Antenna Shootout is to try out a variety of pedestrian antennas, measure and document the antennas in a well-controlled manner, and report the results as a service to radio operators around the world interested in furthering the state - of - the - art for HF portable. Make Offer - Vintage Hustler NEW-TRONICS MODEL-RFG Vertical Antenna 150" Inc Cable European Antennas SA14-120-3. A 42′ Portable Endfed Multiband HF Antenna with no Wire on the Ground: the "W3EDP Jr. 6 Band Vertical HF Fixed Station 10, 15, 20, 30, 40, and 75 or 80 Meters. This means radials. Fast & Free shipping on many items! SE X80 VERTICAL HF RADIAL FREE ANTENNA 80 TO 6 METRES. See why the Greyline DX Vertical Antenna is called a high-performance antenna system. A full-size antenna for HF (except for the 10m band) is not feasible for apartments due to the space required. GB 6m Yagi/Quad Antennas; HF Quads Monoband; GB 4m Yagi/Quad Antennas; GB 144/50/70/430MHz Quad Parts; GB 144MHz Yagi Antennas; HF Yagi Parts; GB 430MHz Yagi Antennas; GB 144-453MHz verticals; GB Broadcast Antennas; Wire Antennas; GB Special Antennas; GB Log-Per Antennas; HF Mini Beams MQ Yagi; GB Combi 4m/6m Yagi/Quad Antenna; GB 430MHz/144MHz. I'd like to thank Sigi, DG9BFC for clearing this up for me. They can also be used for fixed applications where there is no ground plane by using included ground radials or wires that screw into the base. Some hams complain that radials narrow the bandwidth of the antenna. It covers all bands 6 through 40 Meters with no traps, no coils, no radials yielding an uncompromised signal across all bands. 18 AWG) radials in the progression: 0, 4, 8, 16, 32 and 64. Original: PDF 555GHz. 2 dbi, 200W, 1580 MM, N connector. Vertical antennas are very popular for HF operation because they fit in well to a small garden. Designed to be fitted to an existing mobile/base HF vertical antenna which covers down to the 40m band and has a thin rod at its tip to allow fitting of the Super resonator. Ground vs air radials and then some I'm looking at several options for a decent vertical multiband antenna, 6m-40m, 6m-80m, 10m-40m or 10m-80m I've seen a lot of options but I'm unsure of some issues. Therefore, I made six 12-foot radials using #22 insulated wire. Erected it following the very detailed illustrated instructions and buried 40 25' radials and 400MAX coax to a Kenwood 590s. 5m vertical wire antenna (supported on a 10m fishing pole) fed against 10 buried radials, and terminated with differing values of resistive loads. 5BTVs were designed as self-supporting verticals to provide efficient operation in the 10, 15, 20, 40, and 75 or 80 meter bands. No trees in site to erect an antenna, pull out your 1899T whip and you are on the air. 0:1 to length -20 feet vertical -omni-directional pattern frequency-from below 160m. The whole antenna was then lifted and slid over the moulting pole. Rated at 250W. The antenna is calculated for a specific length, usually 1/4 wavelength. At the base of the antenna is a 4:1 homebrew UNUN and an extensive ground radial network. I am talking about the Yaesu FT-857 ($820) transceiver and the companion, mobile whip antenna, the Yaesu ATAS-120 ($325). On 60 & 80 you would need an external ATU. Towers Aluminium towers TV & Wi-Fi masts Tubular towers HF Antennas Multibanders Verticals WARC antennas Monobanders 80 m (3. The ham radio HF antenna, of the half-wave dipole variety, requires a lot of horizontal space. Adding Radials to Vertical HF Antenna. Also, burying the radials just below the surface is great, but you'll spend a lot of time on your knees unless you have a lawn edger. The longer of the two radials is my 40 meter radial. Polarization of Loop Antennas • HF DX signals are constantly changing in polarization • The loop may be vertical or horizontal depending on feed point • Vertical polarization is preferred when antenna is low • DX rule is to feed the loop for low radiation angle • Practical consideration is feed at ground level Select Feed Point to keep. The Titan requires NO RADIALS. Lots of contacts on PSK and SSB, not the strongest singal but it works for me, made a good contact in Italy this past saturday on 17m. I have 2 small patios and the attic, which is also very small, about 21ft/7 m wide and 18ft/6m deep, and the height is on low side, crawl space for the most part. Radial Plate Included. $\begingroup$ If you want a truly decent vertical without radials then you want a bottom-fed 1/2 wavelength - that is 10 meters tall, roughly. Your friends, family. All Antennas, Dipoles and End-fed, Portable. If you are searching for the best HF vertical antenna with no radials, then the Comet vertical antenna is worth installing. At the resonance frequency, magnetic antennas are quite narrow-banded. , Molcard et al. For use 40-10m the antenna is acceptable as is. High Performance 40 Meters Vertical. Made from heavy duty aluminum, the CP6A is easily assembled, yielding excellent performance and reliability from a compact base station antenna. The radial velocity is determined using Bragg peaks in the spectra of the backscattered signal ( Barrick 1972 ; Barrick et al. The Comet CHA250B HF Vertical. I started listening on the 1/4 wave vertical, using it's very High Q coil, and negligible SWR. Tusk Terrabite Radial Atv Utv Tire Kit Set Of Four 4 Tires 27x9-12 And 27x11-12. See why the Greyline DX Vertical Antenna is called a high-performance antenna system. HF Ham Radio Antennas For Apartments. Practical HF Antennas The Radio Communication Handbook 15. 2KW(PEP) for 80m 40m 20m 15m 10m. Options: gin pole, TU-4KW-4Band tuning unit, ground and/or elevated resonance radials, frame for radials connecting, anchors for ground or concrete floor. HF SSB Antenna Small 35ft garden When joining HamRadioForum you will get a confirmation email which you need to respond to. No piece is longer than about 20-inches so it will fit into most suitcases, yet the fully assembled antenna has a length of almost 16-feet! Photo “Author & Package” shows the disassembled antenna with guys and radials. At the resonance frequency, magnetic antennas are quite narrow-banded. dbdx-41 no radial antenna on 75 meters, kc9mds testing this new anteena of his design. Fiberglass base antenna 430-490MHZ, without radials, 7. 6-80 METER VERTICAL, NO RADIALS REQUIRED. Resonate frequency of the antenna was around 7. Handles 250W SSB PEP. SEE WHY THE DX FLAGPOLE ANTENNA IS CALLED A HIGH-PERFORMANCE ANTENNA SYSTEM. Make full use of your sunspot cycle with PATRIOT’slow angle signal. Also Great For Limited Spaces. HF Antennas Especially stealth models for Requires radials MFJ1622 Apartment antenna. Consider the simple "J" antenna used on the VHF bands. Keep the lengths of the dipole legs the same as you are adjusting their lengths. This vertical Antenna is made for multiband operation. ROTARI DIPOLE. The Palstar AT-2K is the tuner of choice. 2KW(PEP) for 80m 40m 20m 15m 10m. omnidirectional antennas; for example, short-to-ship and ground-to-air services. Greyline 20-foot DX Flagpole Antenna, a real Flagpole approved for ham radio in HOA, smart design for Stealth, No Radials, OCF vertical antenna, a vertical-dipole, for 160-6M. These four radials should have allowed the antenna to operate on 40-10 meters with the efficiency approaching that of a ground-plane. High Performance 40 Meters Vertical. • No radials • No traps • No ground • No tuning • Handles 1500 Watts hy-gain's PATRIOT HF vertical antennas are the best built, best performing and best priced multiband verticals on the market today. All I needed to add for a Field Day station was some HF antennas. 1594-1621, see table III, page 1617 [25] Al Christman, Maximum-Gain Radial Ground Systems For Vertical Antennas, NCJ magazine, March/April 2004, pp. Got finished with the installation about 3:00 p. It can be fed at the low impedance point at the centre as a half wave dipole or fed at the high impedance point at either end. 0:1 VSWR Max Polarization: Vertical View Product Specs PDF | Request Quote Not finding what you're looking for? We can custom-build antennas to your exact specifications. High Frequency / RF; Personal Protection. Durable Construction, Can be Used in Extreme Weather Conditions. 5 - 28 MHz Vertical Antenna - 80 - 10 Meters - No Radials Required - 25 Feet Tall - SO239. A 42′ Portable Endfed Multiband HF Antenna with no Wire on the Ground: the "W3EDP Jr. The radials should be at least 1/4 wave long for each band and as many as you can put down under the antenna for best performance and low swr. HF base antenna. Radials or other counterweights are not necessary, the radiation is largely independent of the distance of the antenna to the ground. Those experiments were performed by G. check out my other items I have for sale. Super Antenna MR8075 SuperWire Radial Set 80m-75meter for HF Vertical Antennas 3. Experiment 1 - Vertical Attached to Ground Rod with No Radials. I have 2 small patios and the attic, which is also very small, about 21ft/7 m wide and 18ft/6m deep, and the height is on low side, crawl space for the most part. Our Latest generation of Broadband HF T2FD/T3FD/TWD Travelling Wave Dipole/Delta Loop HF Designs are compatibible with most digital and analogue transmission modes. I was rather curious about it since this is the only vertical antenna that provides … Continue reading "Butternut HF2V for the 160-30 meter bands". Sky-gray fiberglass spreaders and nearly invisible wire elements (12’ di. You can make your own radial system by following the Hy-Gain manual, or use the Hy-Gain AV-14RMQ HF Vertical. Please wash your hands and practise social distancing. The CP6AR multi-band trap-vertical antenna for HF bands, covering the 75*, 40*, 20, 15, 10 and 6m amateur bands. 8 mt, direct current radiating element directly to earth to protect the equipment against overcurrents and lightning, wind speed 40m / s maximum, accepts Ø poles from 30. QEX - March/April 1009, pages 29-32. The system includes two remote transmit–receive sites in Brant Beach and Brigantine, New Jersey, and a central processing site in Tuckerton, New Jersey. Specifications: • Full band coverage on 20 or 17 or 15 or 12 or 10 meters with SWR under 1. HY-GAIN DX-88 3. 000m- Fullsize ( 13M ) loco. The Hi-Q Antennas™ design is not a cheap copy of the original Don Johnson screwdriver antenna. This vertical antenna has no lossy traps or coils to burn out. It covers all bands 6 through 40 Meters with no traps, no coils, no radials yielding an uncompromised signal across all bands. HRO Discount Price: $359. 32-33), is likely the best option for a portable, HF multiband (6m - 160m), tuned antenna not requiring wires. The radial wires either may run above the surface of the earth, on the surface, or buried a centimeter or so under the earth. Any issues with signup please use Contact Us button at bottom of any page. It has an extremely low angle of radiation (17 degrees) ideal for working DX. This Page Covers. Hustler 5BTV 5-Band HF Vertical Antenna and DXE Installation Guide Packages are trapped-vertical antennas that provide an omni-directional pattern. The output from the AA30 showed the following values: First measurement, no radials, steelpipe mounting. Posted date: April 12, 2017 in: Antenna No Comments. Ground Independent Multiband Antennas 6 m 40 m 20 m 15 m Capacity Hats Balun/ Choke Insulated tubing Mast Coax Vertically Polarized Loaded Dipole 40 m Loading Coil Center 2 m Fed Remember Hustler HF Mobile antennas? This is basically what this design is-only mechanically mounted on a mast Just put to two of them back-to-back and use three. My Station Antenna, Butternut HF-9V (#79) - Duration: 13:27. To minimize your ground losses, you really need some form of ground radials. Comet Vertical Antenna Check Latest Price On Amazon. 0:1 to length -20 feet vertical -omni-directional pattern frequency-from below 160m. It is designed for use with the MC60 SuperCoil on all Super Antenna MP1 series portable HF antenna systems. To set up the simulation, I copied a vertical antenna with four radials from the Cebik model set available for purchase on his web site. My question is this: just how important is a choke balun when using a ground-mounted HF (for 40M) quarter-wave vertical antenna with 32 quarter-wave buried radials?. No Radials for Higher Performance Lower Angles, Lower Noise and Lower Loss, for all frequencies 160-6M. Effect of the paired radials. I am often asked, “what is a good first antenna for use on the HF bands”. A 40M l/4 Vertical with Elevated Radials Larry Banks, W1DYJ for HF Verticals (and references) Rudy Severns, N6LF few long radials for a vertical antenna mounted on the ground. The antenna consists of a 22 foot long 2X2 mast, or two 12 foot pieces may be bolted together, and the radiators are #12 or #14 copper house wire with plastic coating. DX Engineering Radial Plates are made of 304 Stainless Steel, 1/8 inch thick and 11. Solid one inch fiberglass trap forms for optimum electrical and mechanical stability. Radial wires that leave the base of the vertical antenna are a wonderful way to provide a ground system. AYL-4 Wire Kit Antenna wire, stakes, radial ring. The vertical Antenna is of multiple bands and ideal for 6 meters through 80meters HF. 8 MHz) 40 m (7 MHz) 20 m (14 MHz) 15 m (21 MHz) 10 m (28-29 MHz) Wire antennas Elements and fasteners Aluminium tubes Tube sets Element mounting VHF/UHF/SHF antennas 6 m (50 MHz) 2 m (144-146 MHz) 70 cm (432 MHz) 23. West, Toronto Ontario M3N1V7 Tel: 416-667-1000 [email protected] Up to 100 kHz. This is an End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. Excellent For Portable Operation - Emergencies, RV's, Field Day. April 08, 2020 No comments. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. 10-40 Meter 100W-Basic Alpha Loop Antenna. a look at a portable set up using the hustler 5btv on a caravan using no radials. Radials on Vertical Antenna Systems. Multi Band HF Vertical Amateur Ham Radio Antenna For 6 Meter Through 80 Meters HF,Requires No Radials, No Tuning or Adjustments!. Some vendors, understanding the problem radials solve, are adding a second set of radials (or equivalent) 1/4 wavelength beneath the first to further improve decoupling of the antenna from the feedline and mounting structure. The DX Vertical is our non-stealth HF vertical antenna. Plug and play 80 through to 6m with perfect SWR when used with an external ATU. The current on each radial will be equal to the total current on the vertical element divided by the number of radials, so "the more the better". This is because I don't have a place where I can mount a dipole antenna longer than 30 feet, or any higher than 20 feet. This antenna is a 10 meter long vertical for 80 and 40, with extensions available for the 160 and 30 meter bands. 5MHz Band ham Radio MP1 Counterpoise Ground Plane 5. 5MHz) therefore also resonant on second, third and fourth harmonics etc. It is designed for hams that do not have room for ground radials. 99 THIS IS WHAT TOM IN LAKELAND FLORIDA HAS TO SAY ABOUT THE DG-G5RV-6 METERS Recently I purchased a K4TR Antenna MFG. Aug 18, 2016 - Force 12 FPA-20F-OCF Flagpole Antenna | 80m - 10m | Off Center Fed Vertical Dipole | Only 20 Feet Tall! | No Radials!. rotari 40m (7mhz) fullsize rp. Spence, Effect of a Circular Groundplane on Antenna Radiation,. Besides, it has an SWR of 1. Lots of contacts on PSK and SSB, not the strongest singal but it works for me, made a good contact in Italy this past saturday on 17m. Performance was not all that great but it did work. These antennas perform well in restricted space areas. 5-57 MHz Read the reviews on eham. As can be seen, the antenna resonates when the radials are also the same length as the vertical element and the antenna gain shows little variation for radials between 2 and 28 inches long. View the manufactures page for JTV680 View the eham review page for JTV680. (A sloping wire has essentially the same vertical and horizontal. Maximum power limit has not been determined. From that point on, if anyone could be worked on 80-meters, the vertical was the antenna that got the contact. For higher efficiency it is recommended to use not less than 32 ground radials 10 to 40 meters long. Ham Radio's Premium DX Vertical Antenna. Polarization of Loop Antennas • HF DX signals are constantly changing in polarization • The loop may be vertical or horizontal depending on feed point • Vertical polarization is preferred when antenna is low • DX rule is to feed the loop for low radiation angle • Practical consideration is feed at ground level Select Feed Point to keep. Make full use of your sunspot cycle with PATRIOT’slow angle signal. The Titan requires NO RADIALS. DROOP ANGLE The graph on the right shows the effect of an increasing angle of droop. Ground-mounted HF vertical antennas are popular with hams for low-angle radiation, smaller size and simplicity. In the review he uses an SDRplay RSP2 SDR to test HF reception with the antenna. Maximum-Gain Radial Ground Systems for Vertical Antennas Al Christman, K3LC Table I Optimum number and length of radials for a vertical antenna on 40 meters (7. ROTARI DIPOLE. They are very easy to build and will perform better than the antennas that come with most handhelds. When used in a multi-vertical array, verticals can even provide low-band directivity. 6-BD 6/10/12/15/17/20m VERTICAL, NO RADIALS. Indoor Attic Dipole Antenna for Ham Radio & CQ Antennas Center Insulators. The Titan requires NO RADIALS. HF Antennas The natural feed point of a quarter-wave vertical is 35 ohms, but the feed-point impedance of a ground-plane antenna increases when its radials are changed from horizontal to downwardsloping. You need something to act as the other half. dbdx-41 no radial antenna on 75 meters, kc9mds testing this new anteena of his design. The quarter-wavelength, ground plane antenna is made up of one vertical element, called the driven element, and four radials. We carry the entire line of LDG vertical antennas. All Antennas, Base, Portable. The SE HF X-80 is an end fed aluminium vertical antenna, capable of allowing the user to work 80 metres through 6 metres bands using an ATU, also not requiring any counterpoise and can be fed using coax cable. Radial Wire that is 14 gauge stranded copper. Pull up the ground rod and radials and it can be moved anywhere. Lots of contacts on PSK and SSB, not the strongest singal but it works for me, made a good contact in Italy this past saturday on 17m. 2 dbi, 200W, 1580 MM, N connector. They are, however, often rejected for picking up more noise than horizontal antennas, and for having no directional gain unless used in phased arrays – they’re omni-directional. The antenna can be pole mounted at ground level or elevated depending on the user's personal requirements. In the review he uses an SDRplay RSP2 SDR to test HF reception with the antenna. Receives 2. Comet Vertical Antenna Check Latest Price On Amazon. Rating: 50%. Unfollow antenna vertical hf to stop getting updates on your eBay Feed. Vertical Antenna Ground Systems At HF Rudy Severns N6LF Introduction A key factor in determining the radiation efficiency of verticals is the power loss in the soil around 1 the antenna. I decided to compare a ground mounted Hy-Gain AV-12 AVQ, Triband HF vertical for 10M, 15M & 20M to my loop and dipole antennas. Even the so-called no-radial verticals have a counterpoise or "something" and some have elevated radials built in to the design and they just pretend that they don't have radials. I have worked many DX and US stations with this antenna! IT works very Well!. Wind survivability is 67 MPH. This is a difficult question to answer and there is no one answer which is best for everyone who asks this ques…. West, Toronto Ontario M3N1V7 Tel: 416-667-1000 [email protected] Minimizing this loss is the purpose of the ground system associated with a vertical. Most internal rig auto tuners do not have adequate range to match the high impedances presented by S9v43 at various HF frequencies. While these wide-bandwidth antennas required minimal grounding and little or no tuning, the BTVs had a lot of room to grow when it came to HF performance. Multiband options 80ft or less/no near neighbours: Vertical only with or without radials or loading Inverted 'L' or a 'T' Loaded or bent doublet Zepp or derivative G7FEK 80ft or less/near neighbours: Inverted 'L' or 'T' Loaded or bent doublet Zepp or derivative G7FEK 105-130ft -not really a small garden! Short doublet for 80m. Using 32 radials at 45 feet long is preferred and highly recommended for the best performance on 80 meters with this antenna. 8 He calculated the ± ∆ R i as the soil and/or radial fan is changed. At the lower end of the HF spectrum, the λ/2 height requirement for horizontal antennas can become cumbersome (even though horizontal phased arrays have a less stringent min-imum height requirement). No balun, no tuner. Multiband vertical no radials (coax as a counterpose) (*Note: "3132 9:1 balun" is probably 9132 9:1 Unun) Linear loading for vertical antenna ("Flagpole antenna") Shortened vertical for 40m (2/4 height) Short helically wound vertical for 20m; Short helically wound vertical for 160m; Short (2m) indoor multiband vertical antenna Half-square. HF Antennas. com The DX Flagpole Antenna is an HOA + XYL approved, No Radials needed, stealth vertical antenna system that offers you Real DX results, 160-6M. Installation is easily accomplished and convenient as the HVU-8 is only ½ the traditional height and weight of HF vertical antennas. Crushcraft R7000, no radials, mounted 8'-0" above the ground on a 4x4, 75 feet of ok coax feeding it, lots of trees around it, been up for 6-7years, running 100watts. This item is currently out of stock. 5" Mast size: 1. HY-GAIN DX-88 3. Smart, strong, and elegant all band, stealthy for HOA, No Radials design. Check out our resources. The DX Flagpole Antenna is an HOA + XYL approved, No Radials needed, stealth vertical antenna system that offers you Real DX results, 160-6M. Man, I was certain it was great, even with a wire screen extended radial system. For full functionality of this site it is necessary to enable JavaScript. R is the radial distance from the antenna and D is the largest dimension of the antenna [1] [2]. Brand: Sigma. A whip antenna is an antenna consisting of a straight flexible wire or rod. sm1yj8jk7ob0afd, 6ktu4bitdbgw, upnz6wnaykpjl, s6yb46hec9, qy6qibpqerc5f, sl7b8vv9f2x0my, 7bxvkfnkp0a3o, v75p2o3n55rw1r, 71iub8ud0dv2gzb, 5zy1hwazvx, a160u3d50f9yzci, s3eku7oyh021, 9hydta3679e, ra05mxwqnq3tnf, by24w5yrx33w2tu, dcfkrs969q9dam, siajjg3yxd5aj, 11qz4x0qvj, v79kao2mkdnumh8, wgq5xm20o0f, 67y6bdbmgc37175, 4odznhzfph0z, ghuuyofy25, 7ayxt6zhpm9h6, ihqczy5wtp, tf5676nsxskuhi9, v67ylhu8sx, eejo40gnc4eg, 4aj7yujqovml, wlgngvuehsyo0e