USA () the DXZone: ham-radio, ondes courtes cb-radio guide

USA () the DXZone: ham-radio, ondes courtes cb-radio guide

Annuaire de l'écoute radio : DX Zone  avec plus de 11.000 liens radio amateurs, ham-radio radio scanning, cb radio écoute radio ondes courtes, antennes personnelles, collection de logiciels spécialisés. Petites annonces gratuites. Annuaires professionnels. Très complet.

 

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    • Top Amateur Radio Websites - Issue 1940 -
      80 Meter Shortened Ground Plain Antenna, LogHX freeware logger software, Antenna Calculation Software , Arduino ACCU Keyer , The Arrow Antenna Portable VHF antenna, Anytone Tech Web Site, Frequency counter project, OQRS Hints and Tips Explained, One-turn loop inductance Online Calculator, BKLog - log book and contest program


    • Top Amateur Radio Websites - Issue 1939 -
      Micro24 Cigarette Pack SSB QRP Transceiver for 20m , Moxon Antenna for 7 MHz, 9 Circle RX antenna, A Moxon Antenna for Satellites, Top Band Receive Loop Antenna, A Cheap Portable Mast Support, NanoVNA, Homebrew a High Performance SSB RTX for 14 MHz, NanoVNA Saver , The Micro20 III Pocket Size SSB RTX for 20m

    • ICOM IC-R20 -
      IC-R20 by Icom. Wideband Receiver Professional radioreceiver, allow double receiver, from HF to Microwave, digital recorde, DTCS, Memories and 11 hours countinuous reception.


    • The Spectrum Monitor -
      Shortwave Radio/SWL DX Newsletters
      The Spectrum Monitor, amateur, shortwave AM FM TV Scanning Satellite magazine, is edited and published by Ken Reitz KS4ZR, former managing editor, features editor, columnist and feature writer for Monitoring Times.





    • 2m Quad Turnstile Antenna -
      Antennas/2M
      The loops are made of 10 mm round aluminum tube. No bending pliers was used to gently bend 90 degrees to obtain a square with 53 cm inner sides. Each loop has an impedance of approximately 100 Ohm. To connect both radiators in phase, a quarter wave long feeder of 100 Ohm is required.