New release of MULTIPSK (4.43.1) #Multipsk

Patrick Lindecker

New release of MULTIPSK (4.43.1)


Pour les francophones: la version en français de ce message se trouve sur mon site ( Il suffit de cliquer sur le lien "Principales modifications (courriel avertissant de la sortie de la nouvelle version)".

Hello to all Ham and SWL,


The new release of MultiPSK (4.43.1) is on my Web site (
The mirror site is Earl's, N8KBR:

The MD5 signature of the downloaded MULTIPSK_setup.exe file to, possibly, check (with WinMD5 for example), that the downloading works without error, is equal to:


Multipsk associated to Clock are freeware programs but with functions submitted to a licence (by user key).


The main improvements of MULTIPSK 4.43.1 are the following:


·                     Addition of the Contestia 16-250 sub-mode + its RS ID (number 275).
This sub-mode can be used under a noisy channel (minimum signal to noise ratio of -15 dB) with a reasonable characters transmission speed, of about 20 wpm.

·                     Decoding improvement of ACARS, SYNOP, EGC and VDL2 modes.

·                     Addition of two prediction functions in the "Satellites" window:
- over time "Advance" function, to see the satellites trajectories in the future, up to 4 h,
- minimum distance in km/miles + azimuth and elevation at the shortest distance between the satellite and the user.


Other improvements:


·                     "Knots" unit added for HFDL, ACARS, VDL2, AERO, ADSB modes.

·                     Integration of the rsp_tcp.exe V.1.1 file for the Multipsk interface with the SDRplay RSPdx receiver. However, the SDRuno version 1.4 program must be installed. For more information, see:


Note about translation of Multipsk.exe and Clock .exe:  the 4.43 version of Multipsk has been translated to Spanish by Joachin (EA4ZB), from French.








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