40m short antenna11 links
- 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: 4029 | Votes: 1 | Rating: 1 ]
- 40m & 80m portable wire antenna
- G8ODE antenna project, where the 40m & Short 80m antenna was deployed as a sloping wire antenna using the 10M fibre glass fishing pole and a hook on the house's gutter-board
[ Hits: 3449 | Votes: 6 | Rating: 2.17 ]
- Short Delta Loop for 40m
- A youtube video of a Short Delta Loop antenna, only 8,5 meters per side. This project use a loading coil of 56,7 uH for electrical matching.
[ Hits: 3238 | Votes: 12 | Rating: 6.25 ]
- 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: 1880 | Votes: 0 | Rating: 0 ]
- Shortened Dipole for 40m
- A shortened 7 MHz Dipole antenna as described by Ken GM4JMU in Sprat 74.
[ Hits: 1984 | Votes: 7 | Rating: 7.14 ]
- 40m Linear-Loaded Dipole
- A short dipole wire antenna for 40 meters band. It is a folded dipole that do not make use of coils and can be used either in horizontal or inverted V configuration
[ Hits: 1313 | Votes: 3 | Rating: 8.67 ]
- 40m loaded dipole
- This is an short dipole for 7 MHz. Total length of this dipole is just 10 meters, 33 feet. Missing lenght is balanced by a coil made of 49 turns of a 40mm diameter pvc pipe. The use of a choke balun is recommended, as always, to adapt the unbalanced coax cable to the balanced antenna, and to prevent RF feed back along the coax shield.
[ Hits: 107 | Votes: 0 | Rating: 0 ]
- Shortened EFHW Antenna 80-10m
- A shortened multiband antenna, about 23m long, for 80m - 10m bands with a low SWR (<1.3) on 80m and 40m, and <3 till 10m. Bandwith on 80m is 300kHz
[ Hits: 3260 | Votes: 8 | Rating: 6.13 ]
- 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: 4968 | Votes: 4 | Rating: 8 ]
- Antenna vertcal 40M
- Shortened vertical antenna for 40 meters band an homebrew project
[ Hits: 1313 | Votes: 4 | Rating: 5.5 ]
- 40m Short Antenna
- GM4JMU shortened dipole for 40 meters band
[ Hits: 27230 | Votes: 31 | Rating: 5.13 ]
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