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418 links and 11 categories about signal on dxzone.com

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Antennas : Theory
  • Antenna Diversity - Single antenna with multiple polarization for diversity, diveristy receivers and propagation effects on signal polarization
    [ Hits: 232 | Votes: 0 | Rating: 0.00 ]
Ham Radio : Blogs : Europe : UK
  • G7IZU RRD WEBLOG - Information related to the G7IZU Radio Reflection Detection page. The detection of meteors, aurora and other phenomena through the use of signals reflected from ionization in the upper atmosphere.
    [ Hits: 75 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Software Defined Radio
  • SDR Cube - A self-contained and portable SDR Transceiver using a Softrock front end and embedded Digital Signal Processing ... No PC required!
    [ Hits: 1237 | Votes: 0 | Rating: 0.00 ]
Operating Aids : Phonetics and codes
  • RSQ Signal Rporting for Digital Modes - This site is devoted to promoting RSQ as an improved signal reporting system for narrow band digital modes and to demonstrating its application to the popular PSK31 mode.
    [ Hits: 410 | Votes: 1 | Rating: 5.00 ]
Operating Modes : DSP
  • CMSK - CMSK is a narrow-band weak signal digital mode for LF and MF ham radio bands defined by ZL2AFP. CMSK63 is the windows client program.
    [ Hits: 505 | Votes: 3 | Rating: 6.33 ]
Operating Modes : Longwave
  • ulfelf : Ulf Elf Group - Ulf Elf Group. Exploration of ULF, ELF, VLF Radio with emphasis on natural radio signals, the Schumann resonances, earthquake precursors, etc.
    [ Hits: 164 | Votes: 3 | Rating: 10.00 ]
Operating Modes : Meteors
  • Meteor scatter or meteor burst communications - A summary, overview or tutorial covering the basics of Meteor Scatter or Meteor Burst Communications, a form of radio signal propagation often used at VHF.
    [ Hits: 214 | Votes: 0 | Rating: 0.00 ]
Operating Modes : Morse code : Morse operating guides Operating Modes : PSK31
  • Making the Most of your PSK31 Signal - Adjusting audio output of your soundcard to obtain a perfect PSK signal from your transmission. A project to help you tuning your PSK31 emission.
    [ Hits: 662 | Votes: 1 | Rating: 5.00 ]
  • PSK31 Elmer page and PSK Signal Quality - Generating clean PSK signals and helping others to correctly tune their souncard output, as well as giving proper RSQ reports by identifying signal quality by N1NKM.
    [ Hits: 372 | Votes: 0 | Rating: 0.00 ]
Propagation : Resources
  • Ground Wave Signal Propagation - Article on propagation basics. The ground wave used for radio communications signal propagation on the long, and medium wave bands for local radio communications
    [ Hits: 210 | Votes: 0 | Rating: 0.00 ]
  • Tropospheric propagation - Article about tropospheric propagation and the way in which radio signals at VHF and above propagate over greater distances than strictly line of sight in the troposphere
    [ Hits: 145 | Votes: 0 | Rating: 0.00 ]
Radio Equipment : HF Transceivers : Elecraft K2
  • Elecraft K2 Improving CW Filter - Here is a cheap and simple way to significantly improve the K2 CW filter(s). With this mod, even strong signals will fade to black as they tune out of the filter pass band
    [ Hits: 243 | Votes: 0 | Rating: 0.00 ]
Radio Equipment : HF Transceivers : Kenwood TS-870S Software : Android
  • Signals - A quick and simple reference to various communications signals, such 10/11 Codes, Morse Code, Phonetic Alphabet, Police Color/Penal Codes, Q-Signals.
    [ Hits: 1300 | Votes: 3 | Rating: 7.67 ]
Software : Audio Recorders
  • QSO Recorder - This utility's purpose is to record a QSO and send it back to the other station to let the other operator hear his/her own signal.
    [ Hits: 1008 | Votes: 2 | Rating: 6.00 ]
Software : Radio Control Software : Weather and FAX
  • APT Decoder - APTDecoder is a free software for recording and decoding signals transmitted by NOAA POES APT enabled weather satellites. It is run on a NT-based version of Window
    [ Hits: 1173 | Votes: 3 | Rating: 8.67 ]
Technical Reference : Antenna Rotator
  • Homemade Antenna Rotator Controller - The Antenna Rotator Controller is unique in that it senses, displays, and controls to the earth’s true magnetic field. The compass sensor, mounted in a waterproof enclosure, is attached to the mast and sends its signal to a microcontroller. By kg4jjh
    [ Hits: 1784 | Votes: 2 | Rating: 5.50 ]
Technical Reference : Beacon keyers
  • The Milli Beacon - This page describes an cheap RF signal source, a portable micro beacon, using a low cost temperature controlled crystal oscillator
    [ Hits: 712 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Key Clicks
  • What cause key clicks - Clicks are most problematic when we try to copy weak signals next to moderately strong signals. How to recognize them, and how to identify clicks problems
    [ Hits: 138 | Votes: 0 | Rating: 0.00 ]
Technical Reference : RF Signal Generators
  • A Homemade Signal Generator - Homebrewing a 3 to 30 Mhz Signal Generator, project and schematic diagram
    [ Hits: 4550 | Votes: 1 | Rating: 5.00 ]
  • Heathkit signal generator - Heathkit signal generator with original paper manual for download
    [ Hits: 1297 | Votes: 0 | Rating: 0.00 ]
Technical Reference : VHF Radios
  • UHF on a VHF Rig - This circuit enables fair copy of strong 444 MHz signals, off a local repeater, using a 2m rig and a 1/4λ 70 cm indoor ground plane antenna.
    [ Hits: 445 | Votes: 4 | Rating: 7.75 ]
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