40 m

40 m

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• Zippiro antenna for 40 Meters
  
  Very compact and high efficiency antenna very low radiation angle even at low height ...
  [ Hits: 2113 | Votes: 3 | Rating: 5.67 ]

• ZMV Spiral antennas
  
  An experimental antenna similar to the TAK spiral antenna was evaluated for SWR response over ...
  [ Hits: 3432 | Votes: 8 | Rating: 5.37 ]

• 40 Meter delta loop - KC4HW
  
  A delta loop wire antenna plan for the 7 MHz band 40 meters that is ...
  [ Hits: 7964 | Votes: 5 | Rating: 4.6 ]

• W5VMs Shorty 40 Antenna - K7MEM
  
  A shortened dipole for 40 meters band by Martin E. Meserve
  [ Hits: 2655 | Votes: 7 | Rating: 9.85 ]

• 4 elements yagi for 70 MHz
  
  A portable 4 elements yagi antenna for 70 MHz by yu7ef
  [ Hits: 2012 | Votes: 3 | Rating: 6.33 ]

• Capacitive Antennas
  
  HB9MTN Capacitive antennas for 40m, 30m AND 20m
  [ Hits: 1440 | Votes: 2 | Rating: 8 ]

• 40 m Band Delta loop Antenna - YO4DFT
  
  40 meters band Delta loop antenna plan that is vertically polarised
  [ Hits: 9732 | Votes: 19 | Rating: 4 ]
• Multi-Band Mono Delta Loop
  
  Build a Multi-Band Mono Delta Loop for 40, 30, 20 and 15 Meters.
  [ Hits: 6795 | Votes: 9 | Rating: 5.22 ]

• 80-40-20 Meter Dipole antenna
  
  Multiband dipoles capable of operating on 80 through 6 meters band with a tuner by ...
  [ Hits: 2778 | Votes: 4 | Rating: 3.5 ]

• QRO End Fed Half Wave Antenna Coupler
  
  A 40m through 20m QRO End Fed Half Wave Antenna Coupler by Steve Yates AA5TB ...
  [ Hits: 3242 | Votes: 3 | Rating: 10 ]

• Folded dipole antenna by N4SPP
  
  A quarter size cobra dipole antenna a multiband dipole antenna for 40 to 10 meters ...
  [ Hits: 2624 | Votes: 1 | Rating: 8 ]

• GB3CAM Cambridge microwave beacons
  
  Two beacons in 3 and 1.2 cm band, 10368.755 MHz and 24048.870 MHz
  [ Hits: 287 | Votes: 0 | Rating: 0 ]

• Valcom
  
  Valcom Guelph specializes in the design and manufacturing of a full range of MF Beacon ...
  [ Hits: 798 | Votes: 2 | Rating: 9 ]

• YagiMax 311
  
  A freeware dos antenna design program, dedicated to yagi antenna design by K4VX
  [ Hits: 4375 | Votes: 54 | Rating: 5.48 ]

• WSCGen
  
  Signal generator using the PC soundcard to output continuous tone CW SSTV AO 40 telemetry ...
  [ Hits: 4559 | Votes: 6 | Rating: 5.67 ]

• 5-band RF Power Amplifier
  
  This project uses a widely available IRF510 MOSFET work on HF 80 40 30 20 ...
  [ Hits: 6956 | Votes: 5 | Rating: 7.4 ]

• Connect a frequency counter to MFJ 9406
  
  Modification to connect a frequency counter to a MFJ 9406 50 MHz transceiver by ON6MU ...
  [ Hits: 1292 | Votes: 2 | Rating: 5.5 ]

• 6L6 Transmitter
  
  40 meters band 5 watts transmitter uses a 6L6 with a 6X5 rectifier and a ...
  [ Hits: 1304 | Votes: 1 | Rating: 10 ]

• QRP transceiver for 7 Mhz
  
  An optimized QRP transceiver for 40 meters band
  [ Hits: 1220 | Votes: 2 | Rating: 5.5 ]

• Homebrew 40m CW Transceiver
  
  7N3WVM homebrew project of a 3 W output CW transceiver on 7 MHz band ...
  [ Hits: 1483 | Votes: 0 | Rating: 0 ]

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