RTTY decoder for Windows XP/7/8/10, 32/64-bit FREEWARE GRITTY is an RTTY decoding program based on the technology developed for the RTTY Skimmer Server project. This is not a skimmer, it decodes a single signal in the 3-kHz audio coming from the transceiver via a soundcard, just like any other RTTY program. GRITTY is decoding weak signals. Re: software to decode cw, rtty, digital on SDR Console V3 Post by dsalomon » Thu Apr 06, 2017 11:12 am There are LOTS of digital multimode decoding packages available: Fldigi, Multipsk, HRD, Sigmira to name a few.

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RTTY SOFTWARE

TrueTTY for soundcards by UA9OSV and RZ4AG **FREE**
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MMTTY HAM SOFT RTTY 1.61MB JE3HHT
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MIXw32 de UT2UZ -DEMO-
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G0VTQ - Blaster TeLetype software
G0GJV - Amateur radio software
WINTTY_(RTTY for Kam and PK 232)

·TWSK by WA0EIR

PSK31LX by DL9RDX

(using Hamcom Modem)

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Mscan Meteo Text-- An easy to use Windows program to receive NAVTEX and RTTY. Numerous filter settings allow for selection of only those message you wish to monitor.
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PKTerm98-- From Creative Services Software
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G0RUR - Amateur Radio software
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G7KPF UK Amateur Radio Quick Links page has a link to this site.
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QW for Windows HAM Radio Software DL0QW

SPECTRUM ANALYZERS Swiftshader 4.0 free download.

·Analyzer 2000 __( Win95 Spectrum-Analyzer Program)

·Audio Spectrum Analyzer

·RadioCom (DSP-Filter/Analyser, RTTY, CW,Fax, SSTV & DCF-77)

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·EchoFilter

·Analyzer 2000 __( Win95 Spectrum-Analyzer Program)

Adobe gamma 64 bit windows 10. ·Audio Spectrum Analyzer

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Sound Technology_(DSP Analysis Technology)

DXsoft — Products / SeaTTY

Entire product list

AALog
TrueTTY
AATest
CwGet
AAVoice
SeaTTY
Cluster monitor
CwType
Hamport
Switcher
CallTTY
HF Pager

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SeaTTY v2.60

SeaTTY — Version history | Downloads and Registration

A program to receive weather reports, navigational warnings and weather charts transmitted in RTTY, NAVTEX, PACTOR-1 FEC and HF-FAX (WEFAX) modes on longwave and shortwave bands. It can decode GMDSS DSC (HF and VHF) messages. Software also can automatically save NOAA Weather Radio SAME voice messages (NWR SAME) and them digital headers. No additional hardware is required — you need only a receiver and computer with a sound card.

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Platform:Windows XP/Vista/7/8/10

The author’s program overview

The working area of the program is divided into several windows, the sizes of which can be changed by the user by dragging the borders.
In the top window the current spectrum of a signal (blue line) and a peak detector of spectral components (green line) are shown. Ruler under this window shows frequencies of sound spectrum. The long vertical red lines in this window show the working frequencies of the decoder filters. In FAX mode these lines show 'black' and 'white' frequencies. To change the center frequency, click on the desired frequency (probably between the peaks).
The bottom window shows an oscillogram of the decoded signal. This window can be hide by the 'Setup->View->Show oscillogramwindow' option
The 'Setup->View->Logarithmic spectrogram scale' option or Alt-Z hotkey switch spectrogram window between linear or logarithmic scale. Analogously, the 'Setup->View->Logarithmic oscillogram scale' option or Ctrl-Z hotkey switch oscillogram scale. Logarithmic scale is more convenient usually, but it needs more computer resources.
The 'SQL' button switches squelch on. The number to the left of the 'SQL' button determines the squelch threshold. When squelch is switched on, the horizontal red line shows the squelch threshold in spectrogram window.
The 'AFC' button (auto frequency control) adjusts the long red lines (working frequencies) to the closest peak frequencies. The numbers to the left of the AFC button determines the limits of AFC. The first number is local deviation in hertzs, i.e. maximal deviation from current frequency. Second number is global deviation in hertzs, i.e. maximal deviation from last user-selected frequency. User-selected frequencies are shown at spectrogram by short red lines .
In HF-FAX mode AFC works during phase lines receiving only. These phasing lines are transmitted just before real image transmitting.
In NWR-SAME and GMDSS DSC VHF modes AFC doesn't work, because frequencies are defined by protocol specifications.
The 'Reverse/Normal' button defines decoded signal polarity. For weather station you should use 'Normal' position with USB receiver or 'Reverse' position with LSB receiver in RTTY, NAVTEX, PACTOR-1 FEC and FAX modes. Amateur RTTY radio station and some commercial station use opposite polarity. In NWR-SAME mode this option is ignored.
The 'Mode' menu selects a working mode (RTTY, NAVTEX, HF-FAX, NWR-SAME, GMDSS DSC - HF, GMDSS DSC - VHF).
Signal speed and frequency shift in RTTY mode are selected via the 'Speed' and 'Shift' menus respectively.
Weather stations use 50 Baud speed. They use 85 Hz shift in the longwave band and 450 Hz shift in shortwave bands usually. Amateur stations use 45 Baud speed and 170 Hz shift usually. Commercial stations use 50 Baud speed and 170 Hz shift usually.
The 'Shift' menu is used to select normal deviation (800 Hz) or narrow deviation (300 Hz) in HF-FAX mode also. Narrow deviation is used at long wave band.
The 'Setup->Text->Fast synchronization in NAVTEX' menu option define synchronization method in NAVTEX mode.
When this option is selected, program can synchronize with receiving signal mu