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MSHV Amateur Radio Software

MSHV Supported working modes: MSK JTMS FSK ISCAT JT6M FT8/4 JT65 PI4 Q65



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Link to the MSHV group
Bucuresti Digital Contest 2023 is scheduled for March 20 2023, 18.00-20.59 UTC
Read here for full details and contest rules.
Read here how to set up MSHV for Bucuresti Digital Contest
FT4 SPRINT Fast Training in 2023 will be held:
first round - January 28, second round - April 29, third round - July 29, fourth round - October 28.
Read here for full details and contest rules.
Read here how to set up MSHV for FT4 SPRINT Fast Training

MSHV version 2.70

 Project page for developers and source code can be found here:
 MSHV All Downloads
New in version 2.70:
  • Major changes in internal application data transfer, raw data (sound streams) in MSHV 2.70 is 24 Bit, (old = 16 Bit).
  • Added: In Sound Settings Input and Output, Box "Bits Per Sample: 16 Bit or 24 Bit or 32 Bit" for TX and RX sampling. IMPORTANT: for this reason Sound Settings will be resetted to default.
  • Corrected: In 77-bit protocol, calls with same 10-bit and 12-bit hash sums exception, reported by Stelios SV8BHN.
  • Added: In "Multi Answering Auto Seq Protocols", Settings, two auto sorting methods for Queue list, by distance or signal report. IMPORTANT: for this reason "Multi Answering Auto Seq Protocols", settings, be resetted to default.
  • Changed: In 77-bit protocol, ARRL Field Day and Roundup decoding/encoding exchanges. IMPORTANT: For this reason in contest activities, need to use new versions of all softwares.


WSJT-X Software by Joe K1JT
WSJT Software by Joe K1JT
Acknowledgements to K1JT Joe Taylor and WSJT Development Group. The algorithms, source code, look-and-feel of WSJT-X and related programs, and protocol specifications for the modes FSK441, FT8, JT4, JT6M, JT9, JT65, JTMS, QRA64, ISCAT, MSK144, are Copyright © 2001-2017 by one or more of the following authors: Joseph Taylor, K1JT; Bill Somerville, G4WJS; Steven Franke, K9AN; Nico Palermo, IV3NWV; Greg Beam, KI7MT; Michael Black, W9MDB; Edson Pereira, PY2SDR; Philip Karn, KA9Q; and other members of the WSJT Development Group.




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