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• Balun single core 4:1 analysis - Real 4:1 Transmission Line Balun with Balanced Load
  [ Hits: 6161 | Votes: 1 | Rating: 10 ]

• Let's talk transmission lines - Don't neglect one of the most important parts of your station!
  [ Hits: 1057 | Votes: 3 | Rating: 9 ]
• Transmission Lines - About feed lines, parallel lines and coaxial lines, notes on impedance, SWR, Baluns, velocity factor and more by NZART
  [ Hits: 604 | Votes: 1 | Rating: 8 ]
• AA3RL Transmission Line Calculator - Excel spreasheet that calculate virtually every transmission line parameter that one may need. Include Length conversions, Reactance and Length of Stubs
  [ Hits: 5335 | Votes: 16 | Rating: 6.88 ]

• Putting a Balun and a Tuner Together - Two wire transmission line as a three terminal Device , The W2DU and W7EL models of a choke balun, The effectiveness of a balun. Article by Kevin Schmidt, W9CF
  [ Hits: 3974 | Votes: 5 | Rating: 6.2 ]

• Michigan Antique Radio Club - Michigan Antique Radio Club, or MARC. The MARC was officially founded October 19, 1985 at the Dillon Inn (now the Hampton Inn) in Lansing, Michigan. Our mission: To preserve the history and enhance the knowledge of radio, television and related disciplines
  [ Hits: 426 | Votes: 1 | Rating: 10 ]
• Wisconsin Antique Radio Club - Online - Mission is to preserve the history and enhance the knowledge of radio.
  [ Hits: 1045 | Votes: 3 | Rating: 6.67 ]

• Tucson-area police radio scanner - Launch the StarNet radio scanner to listen to Tucson-area police, fire and other agencies radio transmissions.
  [ Hits: 11794 | Votes: 45 | Rating: 6.08 ]

• Sound samples of digital transmissions - Sound samples of the transmission modes recorded at 11025 samples per second, mono and the message in all of the samples is the same: "the quick brown fox jumps over the lazy dog 1234567890".
  [ Hits: 3225 | Votes: 8 | Rating: 8.75 ]

• RF HAMDESIGN - An engineering oriented organization specializing in the design and manufacture of high performance parabolic antennas, 3dB high power RF couplers, Antenna power splitters, directional RF couplers and more items for RF transmission from HF through Microwave frequencies.
  [ Hits: 1616 | Votes: 5 | Rating: 9 ]

• CWS ByteMark - CWS ByteMark's Baluns (Balanced to Unbalanced) and Ununs (unbalanced to unbalanced) transformers are developed jointly with Dr. Jerry Sevick, W2FMI, who is known worldwide for his work on transmission line transformers
  [ Hits: 1043 | Votes: 3 | Rating: 4.33 ]

• Nicola Tesla autobiography - Free pdf book on Nicola Tesla. He is the true unsung prophet of the electric age; without whom our radio, auto ignition, telephone, alternating current power generation and transmission, radio and television would all have been impossible
  [ Hits: 444 | Votes: 2 | Rating: 5.5 ]

• Digital DX Live - DX Spots of digital emissions
  [ Hits: 2333 | Votes: 6 | Rating: 4.67 ]

• National Electronics - CB Radios, Marine, 2 way radios scanners and towers from Shawnee Mission KS USA
  [ Hits: 1356 | Votes: 1 | Rating: 1 ]

• Computer international - Bonito, butel wavecom and bogger products dealer. Accessories to decode encode and process radio communication transmissions for Radio Receivers, Transceivers and Scanners
  [ Hits: 648 | Votes: 1 | Rating: 10 ]

• glfer - glfer is a program for reception and transmission of QRSS/DFCW signals. It is composed of two main parts: the spectrogram window, where you can see the spectrum of the received signal vs. time the transmission functions, to emit cw characters at a slow but precisely controlled speed, using the QRSS (slow CW) or DFCW (Dual Frequency CW) modes
  [ Hits: 1823 | Votes: 0 | Rating: 0 ]

• DTMF decoder - A very easy to use program to decode DTMF dial tones found on telephone lines with touch tone phones. The DTMF Decoder is also used for receiving data transmissions over the air in amateur radio frequency bands.
  [ Hits: 7949 | Votes: 14 | Rating: 4.79 ]

• ChirpPix - ChirpPix converts a bitmap image to a wave file, which can then be sent by a SSB transmitter and received on spectrogram waterfall displays Image Transmission using ChirpPix and ChirpHell. Click to donwload ChirpPix zip file.
  [ Hits: 1573 | Votes: 1 | Rating: 9 ]

• SatTrack Suite - Satellite Tracking and Orbit Propagation, Reports and Mission Planning Products, Pass Scheduling and Orbit Event Analysis, Dynamic Communications Link Modeling, 3-D Visualization of Complex Scenarios User Defined Regions and Contours, Constellation and Formation Flying Support, Global Positioning System Coverage
  [ Hits: 2543 | Votes: 6 | Rating: 6.17 ]

• Voice descrambler - This program descrambles band inverted encrypted transmissions, usually found on VHF/UHF. It uses a NCO (numerical controlled oscillator) to re-produce the originally inverted audio band. Use it only if legally permitted in your country. I assume no responsabilities deriving from its use. Standard disclaimer applies
  [ Hits: 13576 | Votes: 38 | Rating: 6.16 ]

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