Hi all,
I write to remind you of the third public test of *FT8 DXpedition Mode*
scheduled for Saturday, May 5, 1400-1700 UTC. You are cordially invited
to participate -- the more participants, the better!
Our main goal is to simulate pileups in which many "Hounds" call and
attempt to work a desirable rare DX station, the "Fox". The test will
help us to validate software features that aim to maximize the practical
QSO rate in such situations. We hope you can be there and try to work
all three Foxes.
Here's the detailed schedule:
--------------------------------------------------------
Date UTC Freq Fox Call Op Loc PEP Antenna
(MHz) (W)
--------------------------------------------------------
May 5 1400 14.090 W1/KH7Z N1DG FN42 500 SteppIR
May 5 1500 14.090 W7/KH7Z AA7A DM43 500 3el
May 5 1600 14.090 K1JT K1JT FN20 100 Dipole
All participating stations must use WSJT-X v1.9.0-rc4. If you don't yet
have this program version, download links for Windows, Linux, and Mac OS
are available near the bottom of the page here:
https://physics.princeton.edu/pulsar/k1jt/wsjtx.html
If you are compiling the program for yourself, be sure to use code
revision r8642 or later, taken from the repository's WSJT-X development
branch. All code revisions since r8642 perform identically in FT8
DXpedition Mode.
Detailed operating instructions are posted here:
http://physics.princeton.edu/pulsar/k1jt/FT8_DXpedition_Mode.pdf
Some details in these instructions have changed, so be sure to read and
follow the latest revision (dated April 26, 2018) carefully! Don't just
try to wing it.
As you will know after reading the instructions, Fox can conduct up to 5
QSOs simultaneously, using frequency slots spaced by 60 Hz. Fox
transmits in the frequency range 300-900 Hz above the USB dial
frequency, in this case 14.090 MHz.
If you can legitimately use more than one callsign -- your spouse's
call, club call, etc. -- feel free to work each Fox multiple times. No
dupe QSOs with the same call, though.
Real-time liaison will be available on the "Ping Jockey Relief" chat
page (PJB), https://www.pingjockey.net/cgi-bin/pingtalkB . Everyone
should monitor this page for possible last-minute announcements of a
frequency change, etc. To ensure that announcements from Fox stations
are easily found, Hounds should monitor PJB but refrain from "chatter"
there during the test.
The deepest pileups will help us tune the final-release software 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, and that you will work
all three of our Foxes!
-- 73, Joe, K1JT (for the WSJT Development Group)
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