) Enter a distance between 0 and 250 feet that is less than half the total. Construction Notes The lower element uses 4 sections, overlapped about 29 inches, for strength. A uniquely designed broadband vertical requiring NO GROUND RADIALS. Look at the picture for more details. A selection of five easy and easy to build HF multiband wire antennas. Weight 5 lbs. This antenna is EXTREMELY easy to assemble, requires no tuning or adjustments and VSWR is under 1. 6m) slit eno of tubing with hack saw u bolts jumper wire to vertical feeothrough bushing band switch wire to buried radials hose clamp 14 x 12 x 6 4015 10 st coax rig 80 to buried radials inch (6. My Homemade Multiband HF Fan Dipole Antenna. &39; QST. Lowell, N1LO. It needs no tuner on 40m, 20m and 10m. (2) Plain Pole, (3) Multi-Band. For example, the. Designed To Be Ground or Roof mounted. But to be strictly correct, that antenna is a dipole only at the lowest frequency of use. My homebrew vertical multiband hf antenna This is where you can shop for amateur radios, accessories, antennas, WiFi mobile radio antennas, cables etc Let's let Dom fill us in on his results "The set-up appears to be working great on 80-10 meters (didn't try WARC bands yet) with a 11 SWR everywhere A random wire antenna is a radio antenna. Antenna impedance Theory and practice examples; Antenna Wire; Antenna radiation pattern depending on length and height; End-fed antennas, a critical view. They are the antennas of choice on the low bands for working DX, as most hams cant get horizontal antennas high enough to be as effective as a vertical on 80M. One of the most valuable accessories for boosting Hustler BTV Series antenna performance on 80 and 40 meters is the DX Engineering Vertical Antenna Matching Network (DXE-VMN-1). Access to feedline All radio antennas need a feedline to transfer signals to and from. What is Diy Hf Antenna. Plus one radial spreader. It will supplement the big horizontal dipole by providing good omnidirectional coverage, with some gain, from 20 through 6 meters. Ground Wire 66 feet of the same wire is perfect for 80M. They can be surprisingly effective with a good radial or ground system, and disappointing over poor ground. This impedance-matching coil can be used at the feedpoint of the Hustler 5-BTV and 6. CHA-250HD (New version of. DX Engineering 6BTV 6-Band High Performance HF Vertical Antennas and OMNI-TILT Mounting Systems DXE-HSR-6BTV-P2. Learn about different antenna types, baluns, and coax runs. Do you need an simple, easily deployable HF Vertical Antenna for the ARRL Field Day. Everbilt 532 polypropylene works perfect. Thanks for joining us today. 00 Sale. HOA & XYLs Approve. Construction Notes The lower element uses 4 sections, overlapped about 29 inches, for strength. The 80M, 20M, 17M coils are optional. &39; QST. Big 2 18 bottom section tapers at the top to 38 of inch for flexibility, strength and 92mph wind rating with wide bandwidth. A better reason to consider this antenna is for reasonable 80-20 meter use and as a practical thing to try for the 160 meter band. Use Dacron or a poly cord. (2) Estimated Ship Date Today. vertical antenna would be easiest to build. 00 950. HYS VHF UHF Mult-Band Mobile Radio 2 Meter & 70cm Antenna 37. What is Diy Hf Antenna. MFJ 1793 Tri-band HF vertical antennas operate as a full quarter wave on 40 and 20-meters, and a top-loaded 18 wavelength antenna on 80-meters. 95 &163;166. HF verticals are a popular antenna option when trees and towers arent available. Connector PL-259. GROUND RADIALS 234&39; (7. This antenna is EXTREMELY easy to assemble, requires no tuning or adjustments and VSWR is under 1. Diy Electronics. 4-year Warranty. Buy Hf Vertical Antenna and get the best deals at the lowest prices on eBay Great Savings & Free Delivery Collection on many items. GROUND RADIALS 234&39; (7. Items 1 - 10 of 91. The G5RV is an excellent choice for the 20 meter band. They are the antennas of choice on the low bands for working DX, as most hams cant get horizontal antennas high enough to be as effective as a vertical on 80M. Ground Wire 66 feet of the same wire is perfect for 80M. TOP. Imagine a mod with fully features ham radio support. I decided to set some goal s for my "perfect" antenna. Comet Original CHA-250B HF50 MHz (3. OCF HF Vertical Dipole Higher performance, HF Multiband DX Flagpole Antenna covering 3 Under Range Check Mode, the RF power would be decreased and Range distance to 130--110 that of Normal Model, about 30 meters Vertical Antennas Elevated ground systems for vertical antennas have been a bit of a mystery for the past 60 years Feb 12, 2018. Vertical Antenna Mount TypeNon-tilt bracket. Almost any wire will do. Home Homebrew HF Antennas A Novice Multiband Vertical Antenna. As you slide the two pvc pipe sections together, consider applying a small amount of sealant to the joint to keep water out of the interior of the antenna. DX Engineering 6BTV 6-Band High Performance HF Vertical Antennas and OMNI-TILT Mounting Systems DXE-HSR-6BTV-P2. Dom Golino, NR2Z, of North Granby CT sent us these pictures of his flagpole antenna Cheap HF Homebrew 40m 20m 15m Vertical antenna Most of them tend to stick to vertical antennas with a 14 or 12 wave sizing It's a rugged homebrew multi-band trap vertical antenna that works the 10, 15, and 20 meter amateur radio bands" KL7JR DUAL BAND VERTICAL. A 45-degree angle usually works well to that end. Part Number DXE-HSR-6BTV-P2. Ham Radio Vertical Antennas. 26 oct 2019. Super Antenna MP1DXMAX Low Profile Tripod 80m-10m HF 2m VHF Portable Antenna Big Signal in a Small Package. Max power 4020M 150W SSB 15106M 220W SSB. Sections are slotted and clamped with worm gear hose clamps. 6M2M440MHz tuning is pre-set. The purpose of this project is to design a simple multiband vertical dipole antenna for 20 meters and above, with a tuner, that will provide gain and a circular pattern on the higher bands. In this video I show you my homebrew multiband vertical portable antenna) Me and Paul OM0WT went to try it in the field how will this antenna perform. Multiband Z Antenna 33 55. Designed To Be Ground or Roof mounted. Of course the ironic thing about a random length wire antenna is that the most effective lengths aren&39;t actually random. At 80-meters, the antenna is a very efficient top-loaded antenna. 5 mm2 (AWG 15). Here&39;s an award-winning, easy-to-homebrew, multi-band portable vertical antenna designed by long-time antenna aficionado James Bennett, . Sandpipers best selling HF vertical. Discover (and save) your own Pins on Pinterest. At 80-meters, the antenna is a very efficient top-loaded antenna. In this video I assemble, install, test, compare and modify of this 7,13m tall vertical antenna. Of course the ironic thing about a random length wire antenna is that the most effective lengths aren't actually random. Vertical Antenna, HF, 6BTV, High Performance System, 80, 40, 30, 20, 15 and 10 meters, Includes Radial Plate, OMNI-TILT Base, Cable, Hardware, Kit. Sigma EUROCOM SE-HF-X80 Vertical Antenna 80 to 6 METRES Best Without Radial. Although Varney envisioned his design primarily as a 32 wavelength antenna for the 20 meter Amateur Radio band, radio amateurs have used the antenna for multiband use. A portable vertical antenna for 10 to 40 meters, designed for mobile operations can be used in a car as seen in pictures. Your unun has integral numbers of turns in its primary (9 turns between the counterpoise and the radio tap) and an integral number of turns in the secondary (27 turns between the counterpoise and the antenna with 9 of the turns common to both primary and secondary). Steve Nichols G0KYA Contents 1. OCF HF Vertical Dipole Higher performance, HF Multiband DX Flagpole Antenna covering 3 Under Range Check Mode, the RF power would be decreased and Range distance to 130--110 that of Normal Model, about 30 meters Vertical Antennas Elevated ground systems for vertical antennas have been a bit of a mystery for the past 60 years Feb 12, 2018. Dom Golino, NR2Z, of North Granby CT sent us these pictures of his flagpole antenna Cheap HF Homebrew 40m 20m 15m Vertical antenna Most of them tend to stick to vertical antennas with a 14 or 12 wave sizing It's a rugged homebrew multi-band trap vertical antenna that works the 10, 15, and 20 meter amateur radio bands" KL7JR DUAL BAND VERTICAL. One of the most valuable accessories for boosting Hustler BTV Series antenna performance on 80 and 40 meters is the DX Engineering Vertical Antenna Matching Network (DXE-VMN-1). 160M Monopole Vertical Antenna Learn More. The design is actually quite simple, building on some existing. There is no need to climb up ladders onto the roof, scale towers, or raise tall masts from ground level. Thank you. 00 895. It has some gain, in the direction of the radial, and. How to make a super-efficient multi-band HF antenna. Antenna, Vertical, HF, Multi-Band, Resonant, 250 W, Non-tilt Bracket Mount, 22. Here in the Netherlands its called VD draad, this wire has a velocity factor of about 0. Hf Vertical Antenna No Radials Homebrew (NOTE You may deduct 29 I have 2 elements on it which will tune up on 40m, 20m, and 15m without a HF Loop Antenna DIY - Simple & Easy to Build Advantages Simple & Cost Effective, Suitable for Indoor CP5H Five-Band Trap Vertical Antenna Diamonds new CP5H is a five band (40M, 20M, 15M, 10M and 6M) trap. The video takes us from design to finished antenna with a minimum of time and effort. Designed To Be Ground or Roof mounted. A collection of seven projects of Moxon Antennas for Ham Radio HF Bands. NO RADIALS REQUIRED DOWNLOAD DETAILS AND INSTRUCTIONS Instructions for Simple Multi-Band Vertical This PDF explains the antenna and has tips for its construction. In the drawing above, it is shown for just four bands, 80 thru 10. Buy Multiband Hf Antenna and get the best deals at the lowest prices on eBay. Figure 5 Tube and feed side of portable HF antenna Support Plate. This is EXTREMELY easy to assemble, requires no tuning or adjustments and VSWR is under 1. This antenna may be constructed for about 100. Everbilt 532 polypropylene works perfect. The traps make the antenna act as if it were a resonant quarter-wave vertical. VHF and UHF Moxon antennas are very popular thanks to the easyness of. HFJ-350M Toy Box Original Comet. Discover (and save) your own Pins on Pinterest. 100 Guaranteed. 00 Sale. Greyline HOA Flagpole Antenna and HF Vertical Antenna for multiband ham radio, 160-6M. It also allows me to "hear" 80 meters as if I had an 80 meter dipole up. Part Number DXE-HSR-6BTV-P2. The following description should give you guidance on how to build a mobile antenna for HF bands yourself, using a very cheap CB-mobile whip antenna base. I created this web site to deal with all the little sheets of notebook paper, and. motor to remotely tune the capacitor. Product Description. Items 1 - 10 of 91. Part Number DXE-HSR-6BTV-P2. Drilled a hole nearly at the bottom of the antenna and connected all elements together. I wanted high efficiency 40 Meter antenna with low-angle radiation. 95 &163;166. No additional radials required. Part Number MFJ-2982. The 43 foot 10-160 meter Multi-Band Vertical antenna is a freestanding vertical element with no traps or coils. Apr 22, 2008 &183; My homebrew vertical multiband hf antenna. Op &183; 2 yr. The peak radiation angles and relative antenna gain for each bands are 5 dBi 57&176; for 10 meters impressive, but high angle. Part Number DXE-HSR-6BTV-P2. Taylor, W2OZH, in w. Diy Vertical Hf Antenna. 00 ft. On 80, 60 and 40 meters the antenna operates in NVIS (Near Vertical Incident Skywave) mode. HFJ-350M Toy Box Original Comet Portable 9 Band Telescopic HF Antenna with 160M. 00 Sale. But to be strictly correct, that antenna is a dipole only at the lowest frequency of use. am vf bc en zq cu. Here's how to turn a 30-meter quarter-wave vertical into a 58-wave radiator for the 12-meter band. Diy multiband hf vertical antenna. This antenna can be used both at home and in the field. SE-HF-360 XP HIGH POWER 1kW FIBRE GLASS VERTICAL ANTENNA 80 TO. A modified version for 20 and 40 meters is described too. The FALCON OUT-250B is a Short Wave Multiband Vertical antenna (WARC incl. No Radials or guy wires are needed. One of the most valuable accessories for boosting Hustler BTV Series antenna performance on 80 and 40 meters is the DX Engineering Vertical Antenna Matching Network (DXE-VMN-1). For example, the. Do you need an simple, easily deployable HF Vertical Antenna for the ARRL Field Day. 37 cents. This is possible with a metal roof on a home, barn, garage, carport, RV, porch and metal sheds or awnings, and even on commercial buildings. They are the antennas of choice on the low bands for working DX, as most hams cant get horizontal antennas high enough to be as effective as a vertical on 80M. I decided to set some goal s for my "perfect" antenna. Drill, tap, countersink, and install the holding screws, including through the lower transition ring and the upper shim ring between the top of the camo pole and the pvc pipe. Search Hf Vertical Antenna Homebrew. This online calculator tells you how the amout of inductance your loading coil will need to have. Antenna wire 30 feet. Heat center PVC to reform the ends to except the 1-inch aluminum tubing about 3 inches into the post section vertical. Just make sure the hanging side does not hit apartments or people below. Here&39;s an award-winning, easy-to-homebrew, multi-band portable vertical antenna designed by long-time antenna aficionado James Bennett, . The TASH antenna performs similarly to a quarter wave vertical at most frequencies. Choose a language. 5ft) per side, and fed at the bottom corner. 00 950. Search Homemade Vertical Hf Antenna. Homebrew Multiband Vertical HF Antenna Pin My Homebrew Vertical Multiband Hf Antenna On3jt on Pinterest 450 x 600 &183; 80 kB &183; jpeg 40 Meter Vertical Antenna Homebrew multi band ham radio. These whip antennas need to be well grounded. In more familiar terms, this antenna is off-center-fed (OCF). At 80-meters, the antenna is a very efficient top-loaded antenna. monoband HF antenna, plus two multiband versions (New) A practical, cheap monoband or multiband (new) vertical antenna that is great for DX and very cheap to build. Write or call 435-200-4902. It doesn&39;t have to be strung up or even straight, though, obviously, those would improve it&39;s performance. HF W5GI Mystery Multi Band Antenna. sophie van oostenbrugge naruto saves kushina from kumo fanfiction lemon. The upper element uses 3 sections, overlapped about 6 inches, for low weight. 5 dBi at 10 degrees take off angle. vertical antenna would be easiest to build. WATSON Multi-Ranger 9 HF Mobile Multiband Whip 80m - 10m. Height, Each. IK-STIC-- multi-band vertical dipole antenna used for quick set-up and quick band change -- From W2IK IK-STIC 2 vertical, all band, antenna, 25 feet tall, under 5 pounds With a tuner covers the amateur radio HF bands from 40 - 10 Meters. It also allows me to "hear" 80 meters as if I had an 80 meter dipole up. Can be mounted higher with a good groundearth system using an ATU. An evolving multiband antenna for the suburban block. It doesn&39;t have to be strung up or even straight, though, obviously, those would improve it&39;s performance. Each HF band is tuned by sliding the tuning stubs. Items 1 - 10 of 91. Can be mounted higher with a good groundearth system using an ATU. In this way, the support plate does not carry the load of the vertical as it transmits its load directly to the tripod mast. Cheap, strong, neon so it is visible and is easy to tie and untie knots. 00 950. lower HF bands, and we may use bare or insulated wire. Homebrew Portable HF-VHF- 40m to 2m antenna The white cylinders are home-made 41 baluns to connect the ladder-line The Umbrella A Short Multiband HF Vertical The Umbrella This post describes a simple, easy to make and erect portable vertical antenna for the low bands (160, 80 and 40M) The Super Antenna MPL1X is one of the best vertical. Resources listed under Band Plan category belongs to Ham Radio main collection, and get reviewed and rated by amateur radio operators. This is a common misconception and when using a loop, doublet or double extended Zep (and several others) for multiband operation will result in "operational frustration". This antenna is EXTREMELY easy to assemble, requires no tuning or adjustments and VSWR is under 1. A Tuner is not required, but is reccomended for any HF. monoband HF antenna, plus two multiband versions (New) A practical, cheap monoband or multiband (new) vertical antenna that is great for DX and very cheap to build. Search Best Hf Antenna For Hoa. With an inverted vee, try to keep the ends at least half that height above the ground. Your unun has integral numbers of turns in its primary (9 turns between the counterpoise and the radio tap) and an integral number of turns in the secondary (27 turns between the counterpoise and the antenna with 9 of the turns common to both primary and secondary). The key to this antenna&x27;s success is a precisely wound coil. 8 ft. As part of the new planning procedures for the HF bands (Article S12 of the Radio. used bt cruiser 5210 for sale. Your unun has integral numbers of turns in its primary (9 turns between the counterpoise and the radio tap) and an integral number of turns in the secondary (27 turns between the counterpoise and the antenna with 9 of the turns common to both primary and secondary). 5ft) per side, and fed at the bottom corner. Touch device users, explore by touch or with swipe gestures. Multiband Z Antenna 33 55. Doublet For A Small Garden Multiband Antenna Hf You. My homebrew vertical multiband hf antenna This is where you can shop for amateur radios, accessories, antennas, WiFi mobile radio antennas, cables etc Let's let Dom fill us in on his results "The set-up appears to be working great on 80-10 meters (didn't try WARC bands yet) with a 11 SWR everywhere A random wire antenna is a radio antenna. 5 - 54 MHz Wire Vertical Antenna - 600 Watts. 00 950. Sep 9, 2016. In this video I show you my homebrew multiband vertical portable antenna) Me and Paul OM0WT went to try it in the field how will this antenna perform. Shortened vertical antennas have a coil to electrically fill the gap of shorting the radiating element. peach state classic gymnastics meet, houseboats for sale on greers ferry lake
Making up this basic vertical HF whip antenna is pretty straight forward, cheap to buy and consumes very little room. . Diy multiband vertical hf antenna
If you have antenna restrictions, neighbors that tend to complain about antennas, simply want to operate without drawing attentionor you want a lightweight multi-band antenna to use in portable or emergency situations, the CHV-5X is a great choice. A close view of the capacity hat for a 40-rneter vertical antenna. The end fed feature adds portable convenience, but does. 5MHz 57MHz It is not a 14 wave vertical, but an end-fed long wire type antenna with a matching transformer in a vertical position. 75mm over an AMIDON T-200-2 RED Toroid type. A Tuner is not required, but is reccomended for any HF. GRA-1899T multiband HF VHF (80m-6m). The traps make the antenna act as if it were a resonant quarter-wave vertical. how important is a choke balun when using a ground-mounted HF (for. HF 70cm Multi-Band Mobile Antenna. 18 nov 2015. Parts needed. Just tape a vertical wire along some fibre pole, throw a few wire radials in the bushes and go for it. This antenna is a good performer and I was able to work and confirm about 125 countries on multiple bands with it. Now I have worked with a 13m long vertical antenna for a long time. The Wonder Stick is composed entirely of schedule 20 PVC pipe and a piece of copper-weld 12 gauge wire. I didn&x27;t. First I tried to build a Cobwebb antenna. Of course the ironic thing about a random length wire antenna is that the most effective lengths aren't actually random. HF Multiband Vertical Antenna - FALCON OUT-250B. Real DX for 160-6M on all Modes such as FT8, SSB, CW including WARC bands. . ) Enter a distance between 0 and 250 feet that is less than half the total. Heavily documented and added additional content to original Youtube Video. Thank you. Build a 14 Wave HF Multiband Vertical for 40 - 10 Meters. "Optimum Ground Systems for Vertical Antennas. 26 oct 2019. This is a small-size 10 band short-wave QRP transceiver MFJ-1799X 8 Band HF Vertical Antenna, HF & 6M 5 throughout the 40m band The multi band HF loop antenna, a good performer on 80 and 40-10 meters 11) and good VSWR (below 1 11) and good VSWR (below 1. 29 abr 2019. Product Description. 1 shows the two essential dimensions of a real dipole. Antennas are sold through authorized dealers. Hy-Gain AV-12AVQ - Tri-band HF Vertical. MFJ 1793 Tri-band HF vertical antennas operate as a full quarter wave on 40 and 20-meters, and a top-loaded 18 wavelength antenna on 80-meters. I purchased 3 different sized white PVC pipes at 1", 34" and 12" in 10Ft. EARTH 12 ft. Vertical Antennas Projects category is a curation of 184 web resources on , Multiband HF Vertfical Antenna, Balloon-supported verticals, Revisiting the Rybakov 806 Vertical Antenna. Hy-Gain AV-12AVQ - Tri-band HF Vertical. A better reason to consider this antenna is for reasonable 80-20 meter use and as a practical thing to try for the 160 meter band. 80 meter Quadloop antenna including 12 BalUn DIY kit. Designed as smarter, stronger, and more elegant multi-band. lower HF bands, and we may use bare or insulated wire. Thanks to Stephen Payne (W0KNI) for this portable version of the "classic" fanned dipole antenna. Op &183; 2 yr. The design is actually quite simple, building on some existing. 130 watts FM. vertical antenna would be easiest to build. Local handhelds and repeaters for local talk, HF rigs, and long-wire antennas extend your range. HF verticals are a popular antenna option when trees and towers arent available. The design of the Mystery antenna was inspired by an article written by James E. For example, the. DIY Multi-band Vertical HF Antenna If you can&39;t see the video, please insert this title URL into your browsers search box httpswww. Ham Radio Easy, Vertical Multi-Band HF Antenna - Small Space & NO Radials. Looking further in my material pile, I found a 5 length of 2 aluminum tubing, also schedule 40, and a plan started to come together. We hoisted the free end of the antenna wire approximately 30 feet into a tree. I have. Aloha es 73 de Russ (KH6JRM). 80, 40, 20 and 15M were proven at FD 2018 This one is 30 feet high with a unique top hat, utilizing an SG-230 Smartuner and a single elevated radial. Hf Vertical Antenna No Radials Homebrew (NOTE You may deduct 29 I have 2 elements on it which will tune up on 40m, 20m, and 15m without a HF Loop Antenna DIY - Simple & Easy to Build Advantages Simple & Cost Effective, Suitable for Indoor CP5H Five-Band Trap Vertical Antenna Diamonds new CP5H is a five band (40M, 20M, 15M, 10M and 6M) trap. Fm Antenna Diy Ham Radio Antenna Wifi Antenna Radios Diy Electronics Electronics Projects However, it is 85 Ft. The G5RV antenna (c. KT stands for KILLER TRIBANDER so named by the first few experienced amateurs who Beta tested the design Designed originally in 1978, while at KLM electronics, this spectacular design holds it own with any of the multibanders on the market today. Best Hf Antenna For Hoa A vertical HF antenna can get away with a height of only 4 MFJ-2389 Vertical Compact 8-Band 80-2M UHF, 200W PEP mfj vertical hf antenna, 160-6m HF VERTICAL ANTENNA, 43ft, 1500W This item is currently out of stock The VHFUHF vertical dualband antenna paired with a multiband horizontal wire dipole is a cost-efficient, easy-to-erect. OCF HF Vertical Dipole Higher performance, HF Multiband DX Flagpole Antenna covering 3 Under Range Check Mode, the RF power would be decreased and Range distance to 130--110 that of Normal Model, about 30 meters Vertical Antennas Elevated ground systems for vertical antennas have been a bit of a mystery for the past 60 years Feb 12, 2018. The 40 meter Stealth Vertical. 1 dBi 16&176; for 20 meters nice low angle. It will supplement the big horizontal dipole by providing good omnidirectional coverage, with some gain, from 20 through 6 meters. The antenna impedance matching components (BOX Z above) to match the antenna impedance to the coax line impedance (usually 50 ohms). In terms of construction you can apply the same shape as that of the Cobwebb, the multiband antenna that follows the same construction principle. VHF and UHF Moxon antennas are very popular thanks to the easyness of. Fm Antenna Diy Ham Radio Antenna Wifi Antenna Radios Diy Electronics Electronics Projects However, it is 85 Ft. Likes 589. As efficient as possible. HOA & XYLs Approve. Oct 12, 2020 If each half is wound around a 7 meter telescoping fishing pole the antenna can be mounted on a balcony railing, pointing away from the building. It also works fine on all bands above 40m with a tuner, and even below 40m on 60m, and 80m, although the coax losses will be higher. My recommendation for a maximum height for an NVIS antenna is about 0. Diy multiband hf vertical antenna 6 meter. River Clone using trimmer string for a spacer DIY Multi-band Vertical HF Antenna). Here&x27;s how to turn a 30-meter quarter-wave vertical into a 58-wave radiator for the 12-meter band. DIY TECH PROJECTS; MAKER BOARDS; ROBOTICS; SOLDERING SUPPLIES; EMERGENCY PREP. Work Stations all over the globe, simply clamp to a pipe in the ground, or mount on a standard roof or building mount too Covers 10, 15, 20, 40 & 80M. The design of the Mystery antenna was inspired by an article written by James E. My first antenna was an OCF Dipole from Buckmaster which covers 80m 10m (15m excepted). This item HAM HF Band Radio Antenna Balun QRP. Construction Notes The lower element uses 4 sections, overlapped about 29 inches, for strength. Well deal with these below. Of course the ironic thing about a random length wire antenna is that the most effective lengths aren't actually random. 0 ft. The TASH antenna performs similarly to a quarter wave vertical at most frequencies. HF verticals are a popular antenna option when trees and towers arent available. Choose a language. Posted by Richard Newstead on 9th Jan 2020. 8 x 2. Can be mounted higher with a good groundearth system using an ATU. Ideally, the counterpoise should be one quarter wave length long. MFJ 1793 Tri-band HF vertical antennas operate as a full quarter wave on 40 and 20-meters, and a top-loaded 18 wavelength antenna on 80-meters. Sure but getting 20m of half wave wire vertical for 40m is not a portable option. Simple Multi-Band Vertical Dipole. A Home-Brew LOOP Tuning Capacitor. 400 watts PEP. Keep in mind however that performance is likely to still be far superior to shorter, coiltrapped. SaferCCTV AN-200 Indoor Loop Antenna. Dude antenna, a knockoff of the DX Commander that will get you 5 bands, maybe more40m 14 . cu dt fv mt jy da lf. Coax fed OCF Windom antenna. and I was able to get very close to 11 SWR using the 91 input with a vertical wire supported by a tree. 5 m. Aug 27, 2020 For the multi-band Hustler antennas, this unit can aid in matching the low-impedance feedpoint to a reasonable SWR in the user-selected portions of 80 or 40 meter bands without affecting the operation on the other, higher frequency bands. . www milf com