40m antenna123 links - and 2 categories
Antennas : 10M
- Shortened dipole for 10 & 40m bands
- A shorten Dual-Band Dipole with overall length of about 11 m. For this antenna traps are substituted by inductors, in order to cover the 10 & 40 m. Bands.
[ Hits: 3896 | Votes: 1 | Rating: 1.00 ]
- Invisible DX antenna for the low bands
- Article by DK5WL describes a multi-band DX antenna for the 160m-40m amateur radio bands with
low visibility but great performance for long distance communication.
[ Hits: 6408 | Votes: 1 | Rating: 1.00 ]
- 40m/80m Portable antenna
- 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: 59232 | Votes: 23 | Rating: 5.74 ]
- 40 meter double bazooka antenna
- A double bazooka antenna plan for the cw portion of the 40 meter band by k0ru
[ Hits: 9005 | Votes: 19 | Rating: 5.26 ]
- 40M Reversible Moxon
- Moxon antenna 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: 3895 | 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: 2518 | Votes: 0 | Rating: 0.00 ]
- Rotatable 40M Dipole
- The Linear-Loaded "Crappie" 40M Rotatable Dipole
A Short 40 Antenna You Can Build for $50 or Less by VA7ST VE7ASK
[ Hits: 1775 | Votes: 0 | Rating: 0.00 ]
- Receiving antenna for low bands
- 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: 18549 | Votes: 9 | Rating: 8.33 ]
- TLV40m antenna
- Top Loaded vertical antenna for 40m Band with elevated radials
[ Hits: 2022 | Votes: 0 | Rating: 0.00 ]
- Top loaded vertical
- Vertical Antenna for 40m Band with elevated Radials
Top Load is a Mesh 2 x 1 meter (Netz 2x1m)
enamelled wire 0.5 mm diameter (CuL 0,5mm)
[ Hits: 2190 | Votes: 1 | Rating: 1.00 ]
- 40m broadband vertical antenna
- A loopy loop loaded vertical antenna operating range 7.0 to 7.3 MHz by S. C. Chuck Smith, WA7RAI
[ Hits: 6135 | Votes: 15 | Rating: 7.52 ]
- Phased 40M Wire Verticals
- Experiments with phased wire vertical antennas on 40 meters at VA7ST
[ Hits: 2666 | Votes: 2 | Rating: 7.50 ]
- 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: 1392 | Votes: 4 | Rating: 6.50 ]
- Rotatable Dipole for 40m-6m
- This article describes a simple, inexpensive, dipole antenna that will rival the performance of a ten-meter beam.
[ Hits: 4675 | Votes: 8 | Rating: 8.25 ]
- Wire Dipole for 7.05 MHz
- Inverted Vee antenna for 40m with simulation data by DF9CY
[ Hits: 1389 | Votes: 0 | Rating: 0.00 ]
- Noise Reduction on 40m
- DF9CY implementation of W1HIS suggestion of inserting a common mode choke into a 40m antennas feed-line.
[ Hits: 1212 | Votes: 0 | Rating: 0.00 ]
- 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: 4845 | Votes: 4 | Rating: 8.00 ]
- 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 ]
- G8JNJ Broadband HF Vertical Antenna
- G8JNJ Broadband HF Vertical Antenna - Requires no tuner - great results from 40m to 10m plus 80m & 6m with reduced performance
[ Hits: 4398 | Votes: 4 | Rating: 7.00 ]
- 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 ]
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