digital radio signal

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digital radio signal

22 links

Internet and Radio : Sounds
  • 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: 9763 | Votes: 16 | Rating: 4.75 ]
Manufacturers : Digital and Packet Radio
  • Hoka Electronics - The WWW home page for information about our specialist range of HF and VHF radio digital signals' analysis and decoding equipment.
    [ Hits: 1653 | Votes: 3 | Rating: 7 ]
Operating Modes : DSP
  • Digital Signals Sounds - Several files with examples of sounds from digital radio modes on short wave. PSK, RTTY Hellschreiber MFSK FSK Sitor
    [ Hits: 1625 | Votes: 6 | Rating: 5.17 ]
  • 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: 827 | Votes: 3 | Rating: 6.33 ]
Operating Modes : Digital Voice
  • FreeDV - Digital Voice for HF bands - FreeDV uses an audio codec as a software based modem to decode and encode the voice and text data from your computer. The data is encoded and then is transmitted over the HF radio using AF signals that can then in turn be decoded by the receiving station.
    [ Hits: 91 | Votes: 0 | Rating: 0 ]
Operating Modes : EME
  • The JT65 Communications Protocol - Digital protocol intended for Amateur Radio communication with extremely weak signals. Joe Taylor, K1JT
    [ Hits: 1189 | Votes: 2 | Rating: 5.5 ]
Operating Modes : JT65
  • JT65 Protocol - JT65 is a digital protocol intended for Amateur Radio communication with extremely weak signals. It was designed to optimize Earth-Moon-Earth (EME) contacts on the VHF bands, and conforms efficiently to the established standards and procedures for such QSOs.
    [ Hits: 1505 | Votes: 3 | Rating: 7 ]
Operating Modes : JT9
  • Have a Great Time with JT9 - JT9 is a amateur radio weak-signal digital mode can give little pistol stations big gun results, ARRL article by W4GAL
    [ Hits: 448 | Votes: 0 | Rating: 0 ]
Operating Modes : Weak Signal
  • WSPRnet - A forum dedicated to WSPR. The Weak Signal Propagation Reporter Network is a group of amateur radio operators using K1JT's MEPT_JT digital mode to probe radio frequency propagation condition
    [ Hits: 375 | Votes: 1 | Rating: 10 ]
  • Weak Signals - Reduce volume to reduce noise - This article discusses how volume reduction can help in the reception of weak signals by reducing the noise level. It is commonly known that reducing the volume also reduces the background noise, and especially in the reception of weak digital signals it can be beneficial
    [ Hits: 228 | Votes: 1 | Rating: 10 ]
Shopping and Services : Regional : Europe : Italy
  • Grandicelli - Hf-vhf-uhf-shf-digital-monitoring-site,wavecom Decoder and tools, winradio and DRM decoders, WD3000 Direction Finding System , radioraft software. PFSL3000 Integrated HF-VHF-UHF signal monitorin
    [ Hits: 828 | Votes: 0 | Rating: 0 ]
Software : Android
  • 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: 634 | Votes: 1 | Rating: 7 ]
Software : JT65
  • WSJT - WSJT-X and MAP65, open-source amateur radio programs, facilitate weak-signal digital communication. WSJT-X covers VHF/UHF to HF, decoding subthreshold signals. MAP65 optimizes for VHF/UHF EME with JT65. Free and GNU GPL licensed, WSJT-X is on Windows, Linux, and OS X, while MAP65 is Windows-only, supporting SDR hardware.
    [ Hits: 2765 | Votes: 5 | Rating: 6.4 ]
Software : Macintosh
  • JTDX - JTDX (JT Digital Modes for Linux, MacOS and Windows) is a free, open-source software for amateur radio operators for the reception and transmission of digital modes, including JT65, JT9, and FT8, among others. JTDX is designed to provide improved decoding of weak signals and better usability compared to other digital mode software like WSJT-X. It also has features like a real-time spectrum display, logging, and decoded message storage and retrieval. Download JTDX from the official site.
    [ Hits: 3262 | Votes: 6 | Rating: 8.17 ]
Software : Multimode
  • Bonito RadioCom - Decode digital and analog signals out of any high quality Transceiver or Receiver, works as a DSP-analyzing system
    [ Hits: 16280 | Votes: 13 | Rating: 6.77 ]
Software : Navtex
  • DSCdecoder - DSCdecoder decodes the DSC digital signals from ships and coast stations using the sound card in your PC. You need a suitable MF, HF or VHF band radio receiver tuned to one of the DSC distress and calling channels or to one of the Navtex channels
    [ Hits: 6218 | Votes: 11 | Rating: 6.09 ]
Software : Oscilloscope
  • Cobracom - Oscilloscope, Realtime spectrum analyzer, Impedance meter, RLC bridge and signal generator for Windows. Is a Windows application that converts your PC into a powerful dual-trace signal analyzer (oscilloscope, FFT etc...) . Uses your PC sound card as an Analog-to-Digital a Converter to digitize any input waveform and as Digital-to-analog Converter for the signal generator. True 24 bit adc/dac 48K/96k/192k sampes/sec.
    [ Hits: 21542 | Votes: 13 | Rating: 6.23 ]
Software : Software Defined Radio
  • 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: 1543 | Votes: 10 | Rating: 7.8 ]
Software : Weak Signal
  • MSHV - MSHV is a free windows and linux multimode software that support weak signal digital modes like MSK144 MSKMS JTMS FSK441 FSK315 ISCAT JT6M FT8 FT4 JT65 PI4 amateur radio modes. MSHV features several interesting features including the Multi Answering Auto Seq Protocol, allowing multiple signal transmissions to be used during dx peditions.
    [ Hits: 1322 | Votes: 6 | Rating: 8.5 ]
Technical Reference : Radio Frequency Interference : Noise Reduction
  • QRM and noise reduction - You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array. Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM
    [ Hits: 5085 | Votes: 6 | Rating: 7 ]

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