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• Advanced Antenna Modeling Book by ON5AU - Marcel De Canck ON5AU
  
  A new book about modeling antennas with EZNEC and in particular in conjunction with the ...
  [ Hits: 451 | Votes: 9 | Rating: 6.23 ]

• VHF Baluns: Fact and Fancy - GM3SEK
  
  Our ideas about HF baluns have changed dramatically in recent years The focus today is ...
  [ Hits: 283 | Votes: 0 | Rating: 0 ]
• Baluns and common mode chokes - Dorenberg
  
  Voltage baluns versus Current baluns When to use them differences and typical usage in feeding ...
  [ Hits: 402 | Votes: 1 | Rating: 10 ]

• 137MHz Quadrifilar Antenna - Borre Ludvigsen
  
  This version of the 137MHz quadrifilar antenna for APT reception is an adaptation from Bill ...
  [ Hits: 233 | Votes: 3 | Rating: 7 ]

• VHF-UHF Long Boom Very High Performance Antenna Designs - W8IO
  
  Experimental Long Boom Antennas CP LPDA multiband with several NEC Files for 50MHz 144MHz 222 ...
  [ Hits: 190 | Votes: 1 | Rating: 10 ]

• Narrow FM Contest 2020 - iw7dol
  
  The ARI Club of Lecce Italy is proud to present the first HF FM contest ...
  [ Hits: 82 | Votes: 8 | Rating: 8.63 ]

• North Wales Amateur Radio Group - 2W0NKS
  
  North Wales Amateur Radio Group NWARG was formed in December of 2019 by a group ...
  [ Hits: 142 | Votes: 4 | Rating: 9 ]

• Data Sound Samples - G4WNC
  
  This page contains links to a variety of data signals that have been specially recorded ...
  [ Hits: 251 | Votes: 0 | Rating: 0 ]

• Retevis - Retevis
  
  Manufacturer of two way radios based in Shenzhen China Retevis produce commercial personal and amateur ...
  [ Hits: 203 | Votes: 2 | Rating: 5 ]

• FSK vs AFSK - IK3QAR
  
  In the field of RTTY transmissions with audio boards you can transmit either in FSK ...
  [ Hits: 156 | Votes: 0 | Rating: 0 ]

• Amateur Radio Microwave - Introduction - W6BY
  
  Introdcution to Amateur Radio Microwave A 21 page presentation of ham radio microwaves concepts for ...
  [ Hits: 416 | Votes: 0 | Rating: 0 ]

• Yaesu FT-991 Memory Manager - f6ecn
  
  Free memory management software for the Yaesu FT 991 and FT 991A models It runs ...
  [ Hits: 1431 | Votes: 7 | Rating: 6.61 ]

• AirHamLog - Online Amateur Radio Logbook - JJ1SXC
  
  AirHamLog is a modern logging software for amateur ham radio operators The software works inside ...
  [ Hits: 549 | Votes: 1 | Rating: 10 ]
• TyQSL - Online Logbook - TyQSL
  
  TyQSL is a modern Logbook by Hams for Hams A Place for other hams to ...
  [ Hits: 302 | Votes: 0 | Rating: 0 ]

• sodiraSDR - Software Radio - Bernd Reiser
  
  Software Defined Radio SDR for analog and digital modulation modes can demodulate AM envelope AM ...
  [ Hits: 363 | Votes: 4 | Rating: 8.75 ]

• NanoVNA GitHub Repository - edy555
  
  Very Tiny Palmtop Vector Network Analyzer by edy555 This is the original GitHub firmware repository ...
  [ Hits: 151 | Votes: 0 | Rating: 0 ]

• Raspberry Pi and Automatic NOAA Satellite Reception - instructables
  
  How to receive automatically NOAA wather satellite images with a Raspberry Pi and a RTL ...
  [ Hits: 520 | Votes: 4 | Rating: 4.75 ]

• Hermes-Lite Low Cost HF SDR - Hermes-Lite
  
  The Hermes Lite is a low cost direct down up conversion software defined amateur radio ...
  [ Hits: 519 | Votes: 0 | Rating: 0 ]

• Optocoupled Transceiver-PC Audio Isolator project - IK5NAX
  
  An optocoupled audio interface between PC and Transceiver for digital modes The article includes full ...
  [ Hits: 197 | Votes: 0 | Rating: 0 ]
• Apple MacBook interface for digital modes - VK3ERW
  
  How to make a custom Line In connector for apple macbook or iMac to connect ...
  [ Hits: 135 | Votes: 0 | Rating: 0 ]

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