40 meter net
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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: 4156 | Votes: 5 | Rating: 5.6 ]
- 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: 2728 | Votes: 3 | Rating: 8 ]
- Inexpensive 17-Meter Vertical
- A low cost, low profile DX antenna fro 17 Meters
[ Hits: 7817 | Votes: 7 | Rating: 7 ]
- K4TX Delta Loop for 40 Meters
- 40 Meter 2 Element Parasitic Delta Loop wire antenna with pictures of delta loop assembling
[ Hits: 7080 | Votes: 13 | Rating: 7.54 ]
- Dipole for 40 meters
- Shortened dipole with traps for 40 meters band in portuguese
[ Hits: 4344 | Votes: 4 | Rating: 5.5 ]
- Dual Loop 80 and 40 Meter
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- 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: 25266 | Votes: 16 | Rating: 5.38 ]
- Magnetic loop for 80-40 meters
- Evolution of a project of a small magnetic loop resonating from 80 to 40 meters
[ Hits: 5097 | Votes: 7 | Rating: 7 ]
- Stealth Multiband Vertical
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- A vertical antenna for 40 and 80 meters band, using a telescoping fiberglass fishing pole.
[ Hits: 52672 | Votes: 17 | Rating: 5.59 ]
- A 30/40 meters band vertical anetnna
- A shortened 30/40 meters band vertical antenna in italian
[ Hits: 7608 | Votes: 1 | Rating: 1 ]
- 2 elements YAGI for field day operation
- A wire yagi antenna for 20 and 40 meters band suitable for outdoor and field day operations
[ Hits: 14560 | Votes: 7 | Rating: 6.14 ]
- Indoor multiband dipole
- This indoor dipole is available in two version for 20-10 meters and 40-10 meters. EZNEC data files available by HB9MTN
[ Hits: 7085 | Votes: 5 | Rating: 7.2 ]
- A 5 band log periodic dipole array
- Modified version of the Telerana antenna which was orginially featured in the July 1979 issue of QST. The array is suspended within a framework made of fiberglass poles emanating from a central hub with the ends tied together with light weight rope around the perimeter. 10-15-20-30-40 meter band coverage
[ Hits: 10002 | Votes: 12 | Rating: 6.59 ]
- HF Magnetic Loop Antenna
- Local and DX contacts from tight spaces, it works from 40 to 17 meters
[ Hits: 2427 | Votes: 2 | Rating: 7 ]
- 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: 5034 | Votes: 4 | Rating: 8 ]
- SWL Receiving Antenna Ideas
- Shortwave radio receiving antenna experiments, on 30 and 40 meters band with pictures, schematics and descriptions.
[ Hits: 11019 | Votes: 7 | Rating: 7.71 ]
- IZ3DVW/B
- 40meter band beacon on 7,039.6 MHz
[ Hits: 844 | Votes: 3 | Rating: 6 ]
- Loma Pioneer Repeater Club - LPRC
- The loma pioneer repeater club - lprc provides 2 meter vhf and 440 uhf amateur radio and emergency communication for the san francisco and monterey bay areas from a repeater on mt loma prieta. aprs digipeater available.
[ Hits: 597 | Votes: 0 | Rating: 0 ]
- 40 meter QRP Transceiver
- This semi-homebrew QRP (low power) CW transceiver is based on the ARK-40 transceiver kit, by S&S Engineering.
With its built-in CW keyer and 5 watts of power, the basic ARK-40 transceiver is an outstanding 40 meter CW performer
[ Hits: 9477 | Votes: 7 | Rating: 6.85 ]
- 500mw CW Transmitter
- A very quick and easy way to get on the air is to build a "Michigan Mighty Mite" CW transmitter for 160, 80, 40 or 30 meters. It can't get simpler than this. It has very few parts, costs almost nothing, and it works! Cost estimate $10 by VE6WTF
[ Hits: 9549 | Votes: 9 | Rating: 5.78 ]
- 40 Meters QRP AM/CW transmitter
- VU2VWN project to homebrew a CW for 40 meters band
[ Hits: 2262 | Votes: 1 | Rating: 1 ]
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