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• Parasitic Antenna for 70cm - AMSAT
  
  A Parasitic Lindenblad Antenna for 70cm by Anthony Monteiro AA2TX This is the official 16 ...
  [ Hits: 4461 | Votes: 7 | Rating: 7.71 ]

• A 2 Meter phased array antenna - K6GWN
  
  Phased array Ground Planes antennas for 144 Mhz
  [ Hits: 4624 | Votes: 11 | Rating: 6.45 ]

• Multi-band Inverted-Vee Antenna
  
  A multi-band inverted-V dipole for portable operation by GM3VLB
  [ Hits: 2710 | Votes: 4 | Rating: 7.5 ]

• The Quadrifilar Helix Antenna
  
  Article about quadrifilar helix antennas electrical and physical characteristics difference between quadrifilar and conventional helix ...
  [ Hits: 2432 | Votes: 5 | Rating: 7.2 ]

• 7db for 7 Bucks
  
  1993 QST Article of a 2 meter beam antenna by WB0CMT
  [ Hits: 3779 | Votes: 3 | Rating: 4 ]

• Beacons audio files
  
  Here you can find beacons audio files list recorded by IW3FZQ and IK3NWX
  [ Hits: 925 | Votes: 3 | Rating: 4 ]
• Beacons sounds
  
  Beacons recorded audio files by kl7fdq
  [ Hits: 1244 | Votes: 3 | Rating: 5.33 ]

• IARU Monitoring System sound files
  
  IARU Region 1 Monitoring System local QRM PSK and FSK systems radars beacons scrambles and ...
  [ Hits: 1003 | Votes: 0 | Rating: 0 ]
• RFI From Computer Equipment
  
  Recordings of RF noise from personal computers peripherals and related equipment If you can match ...
  [ Hits: 876 | Votes: 0 | Rating: 0 ]

• 2 meter Fox Hunter - WB2HOL  ^updated
  
  A home made yagi antenna featuring 6db forward gain and 22 Db front back ...
  [ Hits: 1399 | Votes: 7 | Rating: 6.85 ]

• Here Comes the Sun - Propagation and Sun
  
  Solar activity can aid or hamper HF propagation beyond line of sight range WA1SVF and ...
  [ Hits: 580 | Votes: 0 | Rating: 0 ]

• Gap Titan DX Manual - GAP
  
  Gap Titan DX Antenna manual This is an enhanced version of the common Gap Titan ...
  [ Hits: 1984 | Votes: 9 | Rating: 6.67 ]

• How QST evaluates new products
  
  A look behind the scenes learn how the ARRL laboratory evaluates new products and what ...
  [ Hits: 650 | Votes: 0 | Rating: 0 ]

• ADIF to Excel to ADIF Converter - DL1HW  ^updated
  
  Download this Microsoft Excel based converter to import ADIF to Excel table and export the ...
  [ Hits: 13486 | Votes: 115 | Rating: 5.63 ]

• HamQSLer
  
  A program to design and print QSL cards on your computer as well as design ...
  [ Hits: 10690 | Votes: 22 | Rating: 6.06 ]

• 2-Way Remotely Operated HF Antenna Switches - G3YEU
  
  A 2 way remotely operated HF antenna switch based on an idea supplied by G3YEU ...
  [ Hits: 2799 | Votes: 0 | Rating: 0 ]

• Homemade CW Keyer - K4IBZ
  
  CW paddle made with a steak knife some simple hardware and a stainless steel fork ...
  [ Hits: 2212 | Votes: 1 | Rating: 10 ]

• W7IUV Low Band Preamp - W7IUV
  
  Pre amplifier using a 2N5109 for the 160 meters band
  [ Hits: 2552 | Votes: 7 | Rating: 6.43 ]

• Build a Tuna-Tin 2
  
  Original Tuna-Tin 2 QRP CW transceiver article by W1CER
  [ Hits: 1467 | Votes: 1 | Rating: 1 ]

• Noise tutorials
  
  Noise foundamentals. Radio frequency interference noise.
  [ Hits: 745 | Votes: 0 | Rating: 0 ]

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