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MSHV Amateur Radio Software

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



Subscribe to MSHV group

Link to the MSHV group


For ARRL/RAC Field Organizations and countries within IARU Region 2
ARRL RTTY Field Day + FT8 is scheduled for the weekend of June 22 – 23, 2019.
Read here for full details and rules.
Read here how to set up MSHV for ARRL Field Day
Do not use "Multi Answering Auto Seq Protocol FT8". It does not contain the contest protocols.


MSHV version 2.15

 Project page for developers and source code can be found here:
 MSHV All Downloads


New in version 2.15:
  • First, keep your previous version, make backup copy of previous log file (mshvlog.edim) before installing ver. 2.XX.
  • Some corrections made for forthcoming ARRL Field Day.
  • Corrected: If software is switched to some contest mode, "Multi Answering Auto Seq Protocol" is blocked.
  • Corrected: Logic of software, two non-standard calls cannot make QSO in FT8 and MSK144.
  • Corrected: Some issues with visual interface when font or screen resolution is changed.


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.




LZ2HV 2015 - 2019