radio signals

radio signals

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• Antenna Basics : Directional Antennas - An article describing basic concepts of antenna radiation, and in particular directional antennas like Yagi antennas or Quad antennas and how they determine the direction or signals.
  [ Hits: 347 | Votes: 1 | Rating: 2 ]

• 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: 275 | Votes: 0 | Rating: 0 ]

• Stray Signals - Ham Radio etc - A blog by W1REI dedicated to ham radio hobby
  [ Hits: 292 | Votes: 2 | Rating: 9.5 ]

• Signal Identification Guide - This wiki is intended to help identify radio signals through example sounds and waterfall images. Most signals are received and recorded using a software defined radio
  [ Hits: 706 | Votes: 3 | Rating: 1 ]

• Radio Secret Security Service - The role played by hams intercepting enemy signals in WW2
  [ Hits: 285 | Votes: 1 | Rating: 10 ]

• Low-frequency radio time signals - Several national physics laboratories operate radio transmitters that broadcast a time code signal.
  [ Hits: 312 | Votes: 0 | Rating: 0 ]

• Guide to JT65A - The complete Bozo's guide to JT65A by K3UK, learn how to install and operate WSJT software and start making QSO in weak signals operating modes
  [ Hits: 630 | Votes: 0 | Rating: 0 ]

• A PC as VLF receiver - Using a PC with soundcard as a VLF receiver, how to use your PC as a receiver for narrow-band signals in the VLF radio spectrum by DL4YHF
  [ Hits: 852 | Votes: 1 | Rating: 8 ]

• Propagation and the Atmosphere - overview of radio signals and radiowave propagation and how different areas of the atmosphere affect radio communications.
  [ Hits: 389 | Votes: 2 | Rating: 9.5 ]
• 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: 315 | Votes: 0 | Rating: 0 ]

• Signals - Trio Datacom, Dolectek and Yaesu Vertex Standard cb and ham radio dealer in new zealand
  [ Hits: 645 | Votes: 0 | Rating: 0 ]

• Hear amateurs on your shortwave radio - Allow the reception of amateur signals on domestic AM-only short wave receivers article and project by VK3YE
  [ Hits: 734 | Votes: 1 | Rating: 10 ]

• Virtual Radar Server - Virtual Radar Server is a free windows decoder of ADS-B signals received by several radio receivers and support even networked data feed. The Server publish a Google Maps-based display of aircraft positions and flight list
  [ Hits: 2388 | Votes: 6 | Rating: 5.33 ]

• Robot36 SSTV Decoder for Android - Receive and decode SSTV amateur radio SSTV signals with this small and powerfull SSTV decoder app for Android devices. Requires access to microphone.
  [ Hits: 261 | Votes: 1 | Rating: 10 ]
• Wavesink - Wavesink Plus is an Android based RTL-SDR receiver app with a free trial and paid full version, can decoding DAB+ and DRM+ digital radio signals.
  [ Hits: 638 | Votes: 1 | Rating: 7 ]

• WSJT-X - WSJT-X implements communication protocols or modes called FT8, FT4, JT4, JT9, JT65, QRA64, ISCAT, MSK144, and WSPR, as well as one called Echo for detecting and measuring your own radio signals reflected from the Moon. These modes were all designed for making reliable, confirmed QSOs under extreme weak-signal conditions. WSJT-X works on Windows Linux and MacOS. This is the official WSJT-X distribuition site.
  [ Hits: 13104 | Votes: 70 | Rating: 7.25 ]

• SoDiRa - Windows Software Defined Radio SDR for analogue and digital modulation types. Can decode AM and FM+RDS radio as well as DRM/DRM+ and time signals DCF77/HBG. Sodira supports the use of the RTL-SDR through use of the ExtIO_RTL2832.dll module. Demo version available.
  [ Hits: 1544 | Votes: 10 | Rating: 7.8 ]

• Ham Radio Beat Frequency Oscillator - A simple free running oscillator oscillating at the receiver\'s IF (intermediate frequency) beats with the incoming signals in either CW or SSB and the resultant audio frequency goes to the AF amplifier.
  [ Hits: 718 | Votes: 0 | Rating: 0 ]

• FM Wireless Microphone - This FM wireless mike can transmit voice signals to any FM Radio receiver 100 meters away.
  [ Hits: 324 | Votes: 0 | Rating: 0 ]

• UHF Crystal Radio - A simple UHF Crystal Radio wired up to check for reception of VHF/UHF signals in the vicinity of the shack.
  [ Hits: 720 | Votes: 5 | Rating: 7.6 ]

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