antenna 40 m
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Antennas : 160M- Vertical antenna for 160 meter
- This high antenna require a large ground composed by 40 radials. It's not very handy expecially in windy situations but is very powerfull in pile-ups. In italian
[ Hits: 4137 | Votes: 1 | Rating: 10 ]
- VK5AH -HF 4 Bander dipole
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- A multiband 80-40-20-15 meters dipole wire antenna that can be extended to cover 160 meters too.
[ Hits: 54043 | Votes: 22 | Rating: 6.68 ]
- 40-80 Half-Extended Double Zepp Antenna
- A dual-bander for 80M and 40m. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole.
This article will introduce the Half-Extended Double Zepp (HEDZ) which has characteristics that a lot of amateur radio operators should find quite interesting
[ Hits: 11398 | Votes: 9 | Rating: 4.44 ]
- 40m/80m Portable antenna
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- Portable wire antenna for 40 and 80 meter made with a RF Chocke. Can be adapted to work on 160 meters by adding additional 6.9 meters wire at its end.
[ Hits: 61557 | Votes: 29 | Rating: 5.96 ]
- N4JTE Antennas
- Just Too Easy 40 meter reversible quads in two an three element version
[ Hits: 2664 | Votes: 4 | Rating: 7.75 ]
- 40 Meter coaxial antenna
- An antenna for 40 meter band made entirely of coaxial cable either RG58 or RG59 Au.
[ Hits: 5222 | Votes: 4 | Rating: 4.25 ]
- Trapped dipole for 40-80-160 meters
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- Build a space efficient trapped dipole antenna for 40-80-160 meter bands using RG-58 and PVC pipe by W8NX
[ Hits: 96967 | Votes: 119 | Rating: 6.24 ]
- Receiving antenna for low bands
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- K9AY loop antenna installed at PA6Z Contest group. This is a receiving antennas for the low bands (160m, 80m and 40m). Include schematics and info on a building the control box, preamplifier and low-pass filter
[ Hits: 19594 | Votes: 12 | Rating: 7.91 ]
- Dual Loop 80 and 40 Meter
- A dual loop antenna, ZZ Wave Net HF Wire Antenna Project by VE6VIS.
The antenna is basically a full wave 80 meter loop on top and a 40 meter loop on the bottom all supported from a 64 foot center support
[ Hits: 25275 | Votes: 16 | Rating: 5.38 ]
- Stealth Multiband Vertical
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- A vertical antenna for 40 and 80 meters band, using a telescoping fiberglass fishing pole.
[ Hits: 52694 | Votes: 17 | Rating: 5.59 ]
- YLRADIO - Full wave delta loop
- This Delta Loop is a three-sided antenna suspended high in the air by vertical supports, such as tall evergreen trees. Recommended height is 40 feet or more at highest point, but higher is better.
[ Hits: 13021 | Votes: 8 | Rating: 7.5 ]
- Yagi for 80 and 40 meters
- Design plan of an array of a two element yagis for 80m and a 3 element 40m antenna sharing a single 12 meters long boom by EA5DY
[ Hits: 1735 | Votes: 4 | Rating: 6.5 ]
- End fed halfwave antenna and matching unit
- One is an EFHWA for 20-40 meters, and the other is a matching unit for the antenna by n0lx
[ Hits: 10398 | Votes: 5 | Rating: 5.4 ]
- Better Feedline Loss Measurements with Antenna Analyzers
- Various publications through the years have shown how the SWR measured on a shorted (or open) feed line can be used to calculate feed line attenuation
[ Hits: 1924 | Votes: 2 | Rating: 10 ]
- J-Pole antennas for 2m-40m
- A multiband jpole antenna
[ Hits: 15314 | Votes: 12 | Rating: 6.5 ]
- Morgain Antenna for 40/80
- Simple and cheap antenna for 40/80 meter band in Italian
[ Hits: 11247 | Votes: 36 | Rating: 6.3 ]
- EC2APU multiband wire antenna
- Wire antenna for 10-15-20-40-80 meters band, with many drawings and description in spanish
[ Hits: 6598 | Votes: 6 | Rating: 5.17 ]
- SWL Receiving Antenna Ideas
- Shortwave radio receiving antenna experiments, on 30 and 40 meters band with pictures, schematics and descriptions.
[ Hits: 11022 | Votes: 7 | Rating: 7.71 ]
- Copper Cactus Single Coax Feed
- Single Coax Feed to Multi-Band Copper Cactus Antenna.
[ Hits: 1325 | Votes: 1 | Rating: 10 ]
- GS Manufacturing
- HF Mobile and maritime antennas for 40-80-160 meters
[ Hits: 1654 | Votes: 5 | Rating: 9 ]
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