40 meter

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40 meter

417 links - and 8 categories

Antennas : 12M
  • Quad Antenna System by Pfeiffer Maltese  pop - Excellent Quad Antenna projects for 40 20 17 12 10 and 6 meters band in this pdf file project by Pfeiffer Maltese
    [ Hits: 39217 | Votes: 13 | Rating: 7.54 ]
Antennas : 15M
  • Zippiro antenna for 40 Meters - Very compact and high efficiency antenna ,very low radiation angle even at low height.
    [ Hits: 2112 | Votes: 3 | Rating: 5.67 ]
Antennas : 40M
  • ZMV Spiral antennas - An experimental antenna similar to the TAK spiral antenna was evaluated for SWR response over the frequency range of 7.0 to 7.3 MHz, or the 40-meter band.
    [ Hits: 3431 | Votes: 8 | Rating: 5.37 ]
Antennas : 40M : 40 meter Delta Loop Antennas
  • 40 Meter delta loop - A delta loop wire antenna plan for the 7 MHz band (40 meters) that is quick to setup and work with
    [ Hits: 7957 | Votes: 5 | Rating: 4.6 ]
Antennas : 40M : 40 meter Dipole Antennas
  • W5VMs Shorty 40 Antenna - A shortened dipole for 40 meters band by Martin E. Meserve
    [ Hits: 2654 | Votes: 7 | Rating: 9.85 ]
Antennas : Delta loop
  • 40 m Band Delta loop Antenna - 40 meters band Delta loop antenna plan that is vertically polarised
    [ Hits: 9721 | Votes: 19 | Rating: 4 ]
  • Multi-Band Mono Delta Loop - Build a Multi-Band Mono Delta Loop for 40, 30, 20 and 15 Meters.
    [ Hits: 6787 | Votes: 9 | Rating: 5.22 ]
Antennas : Dipole
  • 40/80 Trap Dipole Design - An home made trapped dipole antenna for 40 and 60 meters band by 2E0HTS
    [ Hits: 2575 | Votes: 4 | Rating: 7.75 ]
  • 80-40-20 Meter Dipole antenna - Multiband dipoles capable of operating on 80 through 6 meters band with a tuner by KJ4EX
    [ Hits: 2775 | Votes: 4 | Rating: 3.5 ]
  • Dipole for 40 Meters by K4VX - Here is a very simple and practical way to make a short but efficient 40-meter dipole. The K4VX Linear-Loaded Dipole for 7 MHz
    [ Hits: 2699 | Votes: 1 | Rating: 10 ]
Antennas : Folded Dipole
  • Folded dipole antenna by N4SPP - A quarter size cobra dipole antenna, a multiband dipole antenna for 40 to 10 meters basedn on original cobra dipole design but with a limited space by N4SPP
    [ Hits: 2619 | Votes: 1 | Rating: 8 ]
Antennas : K9AY
  • RX antenna for 160/80 meters - RX Antenna 160m/80m Band Splitter/Switch, a small project that will work along with the K9AY RX antenna
    [ Hits: 2058 | Votes: 0 | Rating: 0 ]
Antennas : Vertical
  • Multiband HF Vertical - A telescopic pole that you adjust to suit the band you're working on , tested on 40 20 and 15 meters band by M0PZT
    [ Hits: 2379 | Votes: 5 | Rating: 7 ]
Radio Equipment : Radio Manuals
  • Cushcraft R7 Manual - Manual for R7, 10 12 15 16 20 30 40 meters band antenna
    [ Hits: 8261 | Votes: 29 | Rating: 6.07 ]
Technical Reference : Amplifiers : HF Amplifiers
  • 5-band RF Power Amplifier - This project uses a widely available IRF510 MOSFET, work on HF 80, 40, 30, 20 and 17 meter bands
    [ Hits: 6951 | Votes: 5 | Rating: 7.4 ]
Technical Reference : HF Radios
  • 6L6 Transmitter - 40 meters band 5 watts transmitter, uses a 6L6 with a 6X5 rectifier and a 0D3 voltage regulator tube on the screen.
    [ Hits: 1300 | Votes: 1 | Rating: 10 ]
Technical Reference : QRP Projects
  • A 40 meter SSB QRP transceiver - This transceiver was conceived as a power-efficient, small, lighweight unit to be carried in the backpack, along with antenna and battery.
    [ Hits: 2298 | Votes: 1 | Rating: 1 ]
  • QRP transceiver for 7 Mhz - An optimized QRP transceiver for 40 meters band
    [ Hits: 1216 | Votes: 2 | Rating: 5.5 ]
Technical Reference : QRP Projects : QRP CW Transceiver
  • DSB/CW QRP rig for 20 and 40 mt. - An experimental DSB/CW QRP rig for 20 and 40 meter bands
    [ Hits: 1404 | Votes: 1 | Rating: 10 ]
  • 40 Meter QRP Transmitter - A simple 40 meter CW transmitter, it sports full break-in operation and 250 mW of output power.
    [ Hits: 1932 | Votes: 1 | Rating: 2 ]

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