New Beta Version of FT4 Now Available

the WSJT-X Development Group has released another new beta version of the FT4 protocol now available for testing in WSJT-X 2.1.0-rc7

Changes, improvements, and bug fixes that have been made since WSJT-X 2.1.0-rc5 include:

  • T/R sequence length increased from 6.0 to 7.5 seconds

  • Symbol rate decreased from 23.4375 to 20.8333 baud

  • Signal bandwidth decreased from 90 Hz to 80 Hz

  • Allowable time offsets –1.0 < DT < +1.0 second

  • TX 4 message with “RRR” now allowed, except in contest messages

  • Audio frequency now sent to PSK Reporter

  • Third decoding pass added

  • Improved sensitivity: Threshold S/N is now –17.5 dB

  • Improved S/N calculation

  • In FT4 mode, Shift + F11/F12 moves transmit frequency plus or minus 100 Hz

Release candidate WSJT-X 2.1.0-rc7 will be available for beta-testing through 21st July 2019.

Full ARRL Story - http://www.arrl.org/news/new-beta-version-of-ft4-now-available-mock-contest-session-just-ahead

Download WSJT-X 2.1.0-rc7 - https://physics.princeton.edu/pulsar/k1jt/wsjtx.html


MacDoppler Version 2.30 Released

Dog Park Software has announced that MacDoppler Version 2.30 has been released.

New in MacDoppler Version 2.30

  • Notarized by Apple for Gatekeeper.

  • Added Icom IC-9700 driver.

  • Added Radant AZV Rotor driver.

  • Display selected Mode in Track List table.

  • Modes Editor requires tone values (e.g. 67.0).

  • Set Rotor DTR, RTS on.

  • GS-232 Rotor driver improved.

  • Enable multiple SiLabs symlinks based on serial number.

  • Disable Tuning Dial Tracking for single frequency FM channels.

  • Remember macOS Full Screen state across sessions.

  • Fixed macOS 10.14.4 3D bug.

  • Fixed Import Keps (merge) bug.

MacDoppler is used around the world by Amateur Radio operators, satellite spotters, educators and commercial customers from CBS News to the International Space Station Amateur Radio Hardware Management program, Delta Telemetry Tracking and Control at Integrated Defence Systems, Florida State University and the CalPoly CubeSat Project.

This is a free upgrade for all MacDoppler Registered users and can be downloaded from: http://dogparksoftware.com/MacDoppler.html

Log4OM 1.36.0 Released

Release Notes

  • Added support to QARTest direct QSO import in Log4OM Communicator (Inbound settings, default port is 9458)

  • Added support to N1MM direct QSO import (UDP Broadgast -> CONTACT option in N1MM settings) in Log4OM Communicator (Inbound settings, default port 12060)

  • Added new CAT mode in settings (Source: N1MM – selection: External) that overrides Omnirig and Hamlib (requires a running communicator instance)

  • Set autofocus over search fields of QSO Management and QSL Management forms

  • Added Aircraft Scatter in the propagation mode list and moved the whole list to external configuration file (propagation.csv)

Download latest veriosn of Log4OM - http://www.log4om.com