The WSJT Development Group is pleased to announce a second candidate
release of WSJT-X Version 1.8.0. Once again this is a beta release.
Most changes since the "RC1" release candidate are related to the FT8
mode, and most new features have already been tested in the field by
several hundred users.
Implementation of FT8 and its auto-sequencing feature is now more
capable and more polished. The decoder is faster and better: it now
includes signal subtraction, multi-pass decoding, and the use of
accumulated "a priori" information as a QSO progresses. Sensitivity
extends downward as far as -24 dB in some circumstances. Overlapping
signals 2 and 3 deep are frequently decoded at essentially the same
frequency. On a crowded band we sometimes see more than 30 decodes in a
single 15-second interval, over a 2 kHz window. The North American VHF
Contesting Mode has been extended to include both FT8 and MSK144 modes.
The "RC2" release also includes many minor bug fixes and an extensively
updated WSJT-X User Guide.
We strongly recommend that all WSJT-X users should upgrade to this new
release.
Go to the WSJT web site here:
http://physics.princeton.edu/pulsar/k1jt/wsjtx.html
and scroll down to the bottom of the page to find a link to the
installation package for your Windows, Linux, or OS X system. You can
also download the packages from our SourceForge site:
https://sourceforge.net/projects/wsjt/files/wsjtx-1.8.0-rc2/
Depending on what code revision you upgrade from, it may be necessary to
do a one-time reset of the default list of suggested operating
frequencies. Go to *File->Settings->Frequencies*, right click on the
table and select *Reset*.
Please report any problems you find with this all-but-final beta release
to one of these email lists: wsjt-devel@lists.sourceforge.net
wsjtgr...@yahoogroups.com . For both lists you will need to be a
subscriber in order to post there.
-- 73, Joe, K1JT, for the WSJT Development Group
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