20 m mobile antenna
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Antennas : 40M : 40 meter Vertical Antennas
- A portable 10/20/40 mt vertical antenna
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- A portable vertical antenna for 10 to 40 meters, designed for mobile operations can be used in a car as seen in pictures. A modified version for 20 and 40 meters is described too.
[ Hits: 81568 | Votes: 55 | Rating: 5.01 ]
- Comparing Mobile whip versus EF HW Vertical
- PH0NO conducted field tests comparing a mobile antenna (DX-UHV) to an end-fed half-wave wire. Results on 20m showed the end-fed wire outperforming the mobile antenna, with a significant difference in signal strength. On 40m, the end-fed wire surpassed the mobile antenna in spots and reach. While the mobile antenna is more practical, the end-fed wire offers superior performance. Further testing is planned.
[ Hits: 80 | Votes: 0 | Rating: 0 ]
- Mobile 2 meter halo antenna
- This HALO design is not ground dependent and can be mounted atop a section of PVC.
[ Hits: 1910 | Votes: 0 | Rating: 0 ]
- Mobile Helix Antennas for HF
- Normal mode helix antennas for HF mobile. Photos andn plan for a 20 meters mobile helix antenna by N2MH
[ Hits: 13451 | Votes: 15 | Rating: 7.46 ]
- Shunt feed a hustler mobile HF Antenna
- 40 and 20 meters mobile antenna
[ Hits: 19178 | Votes: 14 | Rating: 6.43 ]
- A $20 HF mobile antenna
- A few hours of fun with PVC and wire and
you have got yourself a respectable road radiator. The antenna consists of little more than some PVC pipe topped by a RadioShack replacement whip antenna and a couple of coils made from a small roll of #14 house wire.
[ Hits: 10545 | Votes: 6 | Rating: 7.33 ]
- 3MA triband mobile antenna
- 3 band mobile antenna - 10m full size wave/4 whip - quick tilt-down system for 20 and 15 m loading coil change by IZ7DJR
[ Hits: 1410 | Votes: 0 | Rating: 0 ]
- An HF Mobile Antenna
- An home made HF mobile multiband antenna inspired by the KM4IE HF 20 dollars antenna or the Texas Bugcatcher can work 75 to 15 meters band with an acceptable SWR.
[ Hits: 808 | Votes: 0 | Rating: 0 ]
- Travel loop antennas
- PA11019 Travel loop antennas, these antennas cover 6.300 to 29.200 mHz , handle 35 Watts and have a packing size of 43 cm, ideal for fieldwork, or mobile operations.
[ Hits: 3563 | Votes: 2 | Rating: 9.5 ]
- Chameleon Antenna
- The Chameleon V1 HF Multiband Antenna is a mobile antenna that can also be used as portable. Lightweight mil whip antenna system with 10 BANDS capability 6m, 10m, 12m, 15m, 17m, 20m, 30m, 40m, 60m & 80m.
[ Hits: 3231 | Votes: 15 | Rating: 0 ]
- A Magic Ground Mobile Antenna
- Experimenting and testing vertical antenna for HF bands on mobile operations.
[ Hits: 113 | Votes: 0 | Rating: 0 ]
- A mobile radio installation
- Detailing a Yaesu FT-857 and ATAS-120 installation in a 1997 Toyota Tacoma, the author used Polar Plot to map signal strength. Using a hand truck with a laptop, FT-817, and an Iron Horse antenna, they circled a chalk-outlined 100-foot diameter, revealing potential nulls towards the truck's rear and through the cab, offering insights into antenna performance.
[ Hits: 43 | Votes: 1 | Rating: 3 ]
- Marine Mobile with Three Antennas
- Operating marine mobile with antennas for 15-17-20 meters band.
[ Hits: 172 | Votes: 0 | Rating: 0 ]
- A Simple Field Strength Meter
- Mad your own simple FS meter. It is the simplest thing to make and is good enough to see if the antenna under test is radiating more power than your old ground plane, old mobile vertical or just radiating at all in a particular direction or in all directions.
[ Hits: 156 | Votes: 0 | Rating: 0 ]
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