Hi all,
I write to remind you of the public test of *FT8 DXpedition Mode*
scheduled for March 6-7. The more participants, the better!
The main goal is to simulate pileups in which many "Hounds" call and
attempt to work a desirable rare DX station, the "Fox", and to maximize
the resulting QSO rate. We hope you can be there and work each of our
Foxes on each band.
All participating stations must use program version WSJT-X v1.9.0-rc2.
If you don't yet have it, download links are available here:
https://physics.princeton.edu/pulsar/k1jt/wsjtx.html
Detailed instructions for Fox and Hound stations are posted here:
http://physics.princeton.edu/pulsar/k1jt/FT8_DXpedition_Mode.pdf
It's important to read and follow these instructions carefully! Don't
just try to wing it.
Each hour during the test has a designated frequency and Fox callsign,
"Fox_A" in the following table.
Date UTC Freq Fox_A Fox_B NSlots
-------------------------------------------
Mar 6 2300 14.080 K1JT W7/KH7Z 3
Mar 7 0000 10.141 W1/KH7Z K9AN 5
Mar 7 0100 7.080 W7/KH7Z K1JT 4
Mar 7 0200 3.585 K9AN W1/KH7Z 3
As you will know after reading the FT8 DXpedition Mode User Guide, Fox
can conduct up to "NSlots" QSOs simultaneously. W7/KH7Z will be
operated by AA7A, and W1/KH7Z by N1DG.
Fox_A will operate for the full hour if plenty of Hounds keep calling.
Fox_B is on standby reserve. If the QSO rate for Fox_A approaches zero
at the half-hour mark, Fox_A will stop transmitting and Fox_B will call CQ.
If you (as a Hound) can legitimately use more than one callsign -- your
spouse's call, club call, etc. -- please try to work each Fox multiple
times. No dupe QSOs with the same call and same band, though.
Real-time liaison will be available via the "Ping Jockey Relief" chat
page (PJB), https://www.pingjockey.net/cgi-bin/pingtalkB . Everyone
should monitor this page for possible announcements of frequency changes
or switch-overs from Fox_A to Fox_B. To ensure that announcements from
Fox stations are easily visible, Hounds should monitor PJB but not post
messages there during the test.
The deepest pileups will help us to tune the final-release software
version for optimum performance on both Fox and Hound sides. After the
test, please post any comments you feel will be helpful to one of our
two email forums, wsjtgr...@yahoogroups.com or
wsjt-devel@lists.sourceforge.net . You will need to be subscribed to
the list in order to post there.
We sincerely hope you can join us for this test, working each Fox on
each band!
-- 73, Joe, K1JT (for the WSJT Development Group)
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