40 meter

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40 meter

384 links - and 8 categories

Antennas : 40M
  • Modeling the W6NL 40m Moxon - This note looks at the antenna and antenna model for the 40 meter Moxon Yagi designed by Dave Leeson, W6NL. The performance of the antenna, through the model, will be explored in several typical settings.
    [ Hits: 1232 | Votes: 6 | Rating: 8.00 ]
Antennas : 40M : 40 meter Dipole Antennas
  • 40 Meter Dipole - A rotary dipole for thr 7 MHz 40 meters band, build recovering a couple of sections of an old commercial two element yagi antenna of one inch aluminium tubing with fiberglass rod insulators in them
    [ Hits: 284 | Votes: 1 | Rating: 7.00 ]
  • A shortened 40 meter rotary dipole - The antenna build into this project is made from 2 fishing poles on a fiberglass pole in the center.
    [ Hits: 548 | Votes: 2 | Rating: 6.50 ]
  • 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: 698 | Votes: 3 | Rating: 8.67 ]
Antennas : 40M : 40 meter Magnetic Loop Antennas
  • 40m Small Loop Antenna - A well documented article on a small magnetic loop antenna for the 40 meters band
    [ Hits: 1142 | Votes: 3 | Rating: 5.33 ]
Antennas : 40M : 40 meter Vertical Antennas
  • High Performance 40 Meters Vertical - 40 meter vertical antenna construction, a shortened easy-to-build vertical, with no-radials, made from surplus military camouflage poles
    [ Hits: 1342 | Votes: 1 | Rating: 10.00 ]
  • A Simple 40 Meter Vertical for Field Day - A dipole antenna for 7 MHz support for this antenna is fiberglass military mast
    [ Hits: 465 | Votes: 1 | Rating: 5.00 ]
Antennas : 80M
  • Broadband 80 meter dipole - The AB2RA bowtie 80 meter antenna includes also a 40 meter dipole
    [ Hits: 440 | Votes: 0 | Rating: 0.00 ]
Antennas : Array Antennas : Four Square
  • 40 Meter 4 Square - A four square antenna for the 40 meters band with pictures, project history and antenna design
    [ Hits: 221 | Votes: 0 | Rating: 0.00 ]
  • 4 Square K9AY Antenna - 4 Square K9AY Array project for 80 and 40 meters band
    [ Hits: 242 | Votes: 0 | Rating: 0.00 ]
Antennas : J-Pole
  • 3 band J-Pole Antenna - Pictures of a 2 meter, 220, 440 copper J-Pole antennas
    [ Hits: 1423 | Votes: 7 | Rating: 5.00 ]
Antennas : Magnetic Loop
  • Magnetic Loop Antenna for 40-20m - If you have space constraint at your QTH for a HF antenna, you can try contructing this HF magnetic loop antenna for 40-20 meters bands
    [ Hits: 706 | Votes: 2 | Rating: 3.00 ]
Antennas : Portable Antennas : Wire
  • Safari - Inverted V antenna - A dual band portable inverted V antenna for 80 and 40 meters band with dimensions for other bands and several assembling instruction
    [ Hits: 304 | Votes: 0 | Rating: 0.00 ]
Radio Equipment : HF Portable Antenna : Super Antennas MP-1
  • Elevated MP-1 Antenna - A test with a superantenna MP-1 on a tripod operating HF bands on 40 20 and 17 meters band
    [ Hits: 299 | Votes: 0 | Rating: 0.00 ]
Radio Equipment : HF Transceivers : Icom IC-7300
  • First Impressions of the Icom IC-7300 - An early review of the Icom IC-7300 HF + 6M Transceiver includes four videos demonstrating reception on 40 meters band
    [ Hits: 390 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Amplifiers : HF Amplifiers
  • A simple 50W RF Power Amplifier - A simple RF power amplifier initially designed for 40 meter band can work on 10 15 20 40 80 meters
    [ Hits: 993 | Votes: 1 | Rating: 8.00 ]
Technical Reference : QRP Projects : QRP CW Transceiver
  • 2N2/40+ QRP CW Transceiver - A 40 Meter, Discrete Component CW Transceiver Built Manhattan-style
    [ Hits: 95 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Transverters
  • 2N2/6 40 to 6 m Transverter - This project is a 40 meter to 6 meter CW "no tune" transverter using ten 2N2222 transistors and one 2N2907. The transverter requires 2 watts of drive from a 40 meter cw transceiver and outputs 2 watts on 6 meters.
    [ Hits: 99 | Votes: 0 | Rating: 0.00 ]
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