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Antennas : Shortwave
- Magnetic Loop antenna
- Why is an Magnetic Loop antenna so special, this antenna is picking only the magnetic part of the elektro magnetic radio wave. The big advantage of this antenna is that the electric interference from the big city have no influence on the received signal
[ Hits: 48948 | Votes: 54 | Rating: 5.78 ]
- Digital Signals
- signals and sounds available on shortwave/vhf radio today along with information on the available equipment needed to understand, analyze or identify these signals
[ Hits: 9413 | Votes: 14 | Rating: 4.64 ]
- International Components
- International Components Corporation has an extensive range of electronic components consisting of audible signal devices, speakers, microphones, capacitors, electron tubes, connectors, and accessories designed in recognition of the diversity of applications and special characteristics encountered by designers in today's complex world.
[ Hits: 1607 | Votes: 0 | Rating: 0 ]
- Amateur Radio Astronomy
- A radio-telescope project observing the natural radio emissions of neutral hydrogen atoms throughout space.
[ Hits: 5894 | Votes: 7 | Rating: 8 ]
- Digital signal processing
- Frequently asked questions on Digital Signal Processing
[ Hits: 2523 | Votes: 3 | Rating: 5.67 ]
- Weaksignal News Kiosk
- Provide information of interest for the weaksignal community, by W6/PA0ZN.
[ Hits: 591 | Votes: 0 | Rating: 0 ]
- G4CCH EME 1296Mhz
- News of latest radio activity, initial contacts list, recordings of EME signals, information about station, and overview of latest projects.
[ Hits: 902 | Votes: 6 | Rating: 8.17 ]
- ARRL web: EME and Weak Signals
- Moon bounce EME, meteor scatter and weak signal operations, introduction by ARRL.
[ Hits: 2054 | Votes: 0 | Rating: 0 ]
- Weather Satellite FAQ
- A comprehensive guide to receive Weather Satellites signals in wefax mode
[ Hits: 1895 | Votes: 1 | Rating: 8 ]
- Scanrec Scanner Recorder
- Scanner Recorder (Scanrec) is a free audio recorder that is primarily designed to record speech. It has a VOX control that allows the user to save disk space when no sound is present in the signal. Since FM communications has such an effective squelch, the recorder works best with FM. HF ham bands and World Band radio have such a poor signal to noise ratio that the VOX gate on Scanrec might not be very easy to set.
[ Hits: 13698 | Votes: 47 | Rating: 7.06 ]
- BeaconSee shows you, in real time, worldwide HF band openings on your PC. Analyses the audio signals from your radio, which is tuned to the NCDXF IARU HF beacon network and shows you the signal strength received from each of the 18 beacon transmitters as a plot of frequency spectrum against time.
[ Hits: 6566 | Votes: 13 | Rating: 7.61 ]
- Voice Shaper
- Voice Shaper is a freeware windows speech pre-processor for SSB transceivers. It receives the voice signal from the microphone connected to the soundcard, and sends the processed audio back to the soundcard in real time by Alex Shovkoplyas, VE3NEA
[ Hits: 5638 | Votes: 7 | Rating: 7.43 ]
- WSJT High Speed Meteorscatter
- "Software uses four-tone frequency-shift keying for meteor scatter. WSJT stands for ""Weak Signal communications, by K1JT"", and plans call for the program to include more than one communication mode."
[ Hits: 1112 | Votes: 8 | Rating: 10 ]
- Program designed to do spectral analysis and real-time audio filtering on reception of audio signals for EME, VLF, SETI applications. Offer support for MTHELL, QRSS, DFCW, NDB, WSJT by I2PHD
[ Hits: 5661 | Votes: 11 | Rating: 8.55 ]
- Bonito RadioCom
- Decode digital and analog signals out of any high quality Transceiver or Receiver, works as a DSP-analyzing system
[ Hits: 15771 | Votes: 11 | Rating: 7 ]
- SSTV1 Modem software is an AFM modem that runs on the TAPR/AMSAT DSP-93 hardware platform that can be used to receive and transmit Slow Scan Television(SSTV) signals.
[ Hits: 2040 | Votes: 6 | Rating: 3.17 ]
- Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.
[ Hits: 70242 | Votes: 24 | Rating: 5.26 ]
- Accurate spectrum analyzer in the range 0 - 2500 Hz, makes an accurate FFT analysis of an audio signal coming from the soundcard
[ Hits: 12721 | Votes: 9 | Rating: 6.44 ]
- FFTDSP is a PC program which can detect weak radio signals in real time. Uses the PC's soundcard and advanced signal processing techniques, extracts and displays weak signals from the receiver audio.
[ Hits: 19374 | Votes: 8 | Rating: 5.25 ]
- Mode J Desense Filter
- This type of filter can be used in a Mode J satellite station (uplink on 2m, downlink on 70cm) to reduce the problem of the uplink signal desensing the receiver
[ Hits: 1085 | Votes: 2 | Rating: 5 ]
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