40 antenn452 links - and 9 categories
Antennas : 160M
- 160 meter linear loaded Inverted L antenna
- The total length of the inverted L is 240 feet, which is 7/16th of a wave length long. It has a 92 foot horizontal linear load section 1 foot above ground that terminates into a home-brewed parallel network tuner by KN4LF
[ Hits: 3774 | Votes: 5 | Rating: 5.60 ]
- The Battle Creek 40 80 160 m antenna
- 3 Band vertical Marconi-antenna for the bands 40, 80, 160 meters with a ground net of wires as radials.
[ Hits: 2416 | Votes: 3 | Rating: 8.00 ]
- 40M Reversible Moxon
- W8EGB moxon project, each side is 51 feet long and the turned in sections are each 7.7ft long.
This antenna performed similar to a full size two element yagi for 40 meters.
[ Hits: 3855 | Votes: 2 | Rating: 9.00 ]
- Trapped dipole for 80 and 40 m
- This article explores a theoretical model for the losses of an 80m / 40m trapped inverted V dipole antenna system using a bootstrap coax trap, but does not examine the pattern of the antenna.
[ Hits: 2509 | Votes: 0 | Rating: 0.00 ]
- Multi-Band Super Mini Loop Antenna
- How to make the Super antenna.
To build this antenna you need a lot that is at least 100 feet across.
Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands
This antenna works as a Full Wave Loop on 80 Meters and also works as a 2 wavelength open loop or Bi-Square on the 40 Meter band
[ Hits: 21336 | Votes: 5 | Rating: 3.80 ]
- VE7CA portable tribander yagi
- 30/17/12 and 20/15/10-Meter Tribanders and a 40 meters inverted V wire yagi antenna
[ Hits: 2166 | Votes: 0 | Rating: 0.00 ]
- Wire Dipole for 7.05 MHz
- Inverted Vee antenna for 40m with simulation data by DF9CY
[ Hits: 1365 | Votes: 0 | Rating: 0.00 ]
- EH for 40 meters by CO6HK
- Article on a homebrewed EH antenna for 40 meters band in spanish
[ Hits: 1810 | Votes: 5 | Rating: 7.40 ]
- Noise Reduction on 40m
- DF9CY implementation of W1HIS suggestion of inserting a common mode choke into a 40m antennas feed-line.
[ Hits: 1177 | Votes: 0 | Rating: 0.00 ]
- Large multiband moxon antenna
- This moxon antenna resonate on 80 40 and 10 meters, has been used for CQWW 2006 by a YU team project
[ Hits: 3450 | Votes: 2 | Rating: 9.00 ]
- JJ6 Antenna
- Beam antenna for 14-18-21-24-28-50 Mhz by G4ZU in french
[ Hits: 1350 | Votes: 1 | Rating: 1.00 ]
- Vertical antenna for Vacation
- Vertical Vacation Antenna for 80, 40 and 20 Meter-Band, by Herbert OE3BMB
This antenna is a full size λ/4 for 20m and 40m band, and a shortened λ/4 for the 80m band.
Generally on the 40m band the SWR is under 1,6. In 80m and 20m band at the resonant frequency the SWR is about 1,1.
[ Hits: 4791 | Votes: 4 | Rating: 8.00 ]
- QRP Antenna 80-40-20-15 End Fed Antenna
- A long wire antenna that will load up on 80, 40, 20 & 15 meters without an antenna tuner and without balun coils
[ Hits: 5548 | Votes: 4 | Rating: 6.25 ]
- G3EJS portable antenna for the IC-703
- A portable antenna for 40 20 15 10 and 6 meters operations to be used and tuned with the Icom IC-703
[ Hits: 2958 | Votes: 9 | Rating: 7.11 ]
- 2400 MHz Helix Antenna
- This antenna is easy to build and suitable for broadband work, satellite work and terrestrial work.
[ Hits: 8533 | Votes: 8 | Rating: 7.50 ]
- UHF Yagi for AO-40
- Based on DL6UW Yagi antenna's design-formula
The forward gain is 13.6 dBi (about 11.5 dBd) and it's pretty small, about 1,5 m in length
[ Hits: 2314 | Votes: 4 | Rating: 6.75 ]
- Horn antenna for AO-40 by AA2TX
- These notes provide the directions for constructing a Cardboard-box antenna for receiving the AMSAT OSCAR-40 satellite on 2.4 GHz (S-band.) It is constructed from two cardboard cartons, aluminum foil, and packing tape. No coax, connectors, or soldering is needed.
[ Hits: 1057 | Votes: 3 | Rating: 4.67 ]
- Full 1/4 wave vertical for 40m
- Pictures and assembling description of a homebrewed vertical antenna for 40 meter band by ON7AMI
[ Hits: 4599 | Votes: 7 | Rating: 4.57 ]
- 40M Inverted Vee
- This simple antenna can be used in various configurations for 40/80/20 or any WARC band or a combination of them
[ Hits: 3817 | Votes: 0 | Rating: 0.00 ]
- Transvertes, AO-40 Convertes, FM-TV transmitters UHF loop antennas
[ Hits: 1305 | Votes: 0 | Rating: 0.00 ]
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