<p dir="ltr">Since score is based on distance alone, and there are no multipliers, it is possible that Win-Test fails to properly recalculate the cumulative distance score on all networked computers when a previously logged QSO is edited to change the received exchange (grid locator), and that the correct distance recalculation only occurs on a remote computer during restart, when the log is reopened and read from beginning to end.</p>
<p dir="ltr">It's kind of tricky because Win-Test has to first subtract the distance to the old grid then add the distance to the new grid to get a new cumulative sum. And that cumulative sum could be changed in the middle of the calculation if a new QSO is logged at the same instant on another computer, or both the callsign and the exchange are edited at the same time, resulting in a dupe and zero points.</p>
<p dir="ltr">In other words, getting the correct total distance in a busy network is harder than you might think.</p>
<p dir="ltr">73,<br>
Bob, N6TV</p>
<div class="gmail_extra"><br><div class="gmail_quote">On Sep 6, 2016 1:36 AM, "Alexander Kurpiers" <<a href="mailto:a.kurpiers@gmail.com">a.kurpiers@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<div>Hi Bob,<br>
<br>
IARU VHF contest is easy: no multipliers, just distance
accumulated (<a href="http://slovhf.net/en/claimed/" target="_blank">http://slovhf.net/en/claimed/</a> is the live score).<br>
All PCs ran the exact same software (=same PC image, same kind of
PC, Windows XP).<br>
The contest version was "EU V/UHF - no multiplier".<br>
Network was Ethernet.<br>
<br>
Note that the logs were in sync (I "merged" them after the contest
and got no conflict/problem whatsoever). The number of QSOs was
correct, just the score was wrong.<br>
<br>
Now that you mentioned it, I remember the change in network
protocol. That was one reason we stayed at 4.18... need to
validate the newer versions still.<br>
Of course it does not make sense to debug 4.18 if the problem most
likely is gone with newer versions. But I did not find anything in
the release notes that could match (only "Log Sync : Better
overall performance. Tnx DJ7TO, DL5MLO and the DA0HQ team." - but
I guess that's more about performance and not linked to wrong
results).<br>
<br>
I don't know how to reproduce. But given that at least DL0GTH had
the same trouble, it seems systematic.<br>
<br>
Regards,<br>
<br>
Alexander<br>
<br>
<br>
<br>
<br>
On 09/06/2016 08:17 AM, Bob Wilson, N6TV wrote:<br>
</div>
<blockquote type="cite">
<p dir="ltr">Sorry, I have too many questions.</p>
<p dir="ltr">Was the multiplier count correct?</p>
<p dir="ltr">Was this for the IARU Region 1 Field Day? Google
cannot find rules or dates for the "IARU VHF Contest". Is the
locator used for score calculations? Was it set properly on the
"sked" computer?</p>
<p dir="ltr">Were you using the latest version of the LiveScore
program? Maybe it only works with the latest version of Win-Test
or it generates incompatible packets on the LAN?</p>
<p dir="ltr">We're you using a WiFi network to sync the logs
instead of wired Ethernet? UDP broadcasts sent over WiFi can be
unreliable.</p>
<p dir="ltr">We're all machines running WT 4.18? I think a new
network protocol was released in 4.19 to improved network
reliability, especially if some stations were networked via a
slow link (F6FVY can confirm).</p>
<p dir="ltr">See <a href="http://download.win-test.com/v4/nightly/release.txt" target="_blank">http://download.win-test.com/<wbr>v4/nightly/release.txt</a>
for a list of all (well, most) of the fixes and enhancements
made since version 4.18.</p>
<p dir="ltr">73,<br>
Bob, N6TV</p>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Sep 5, 2016 10:32 PM, "Alexander
Kurpiers" <<a href="mailto:a.kurpiers@gmail.com" target="_blank">a.kurpiers@gmail.com</a>>
wrote:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
<br>
we used WT4.18 last weekend during the IARU VHF contest. One
PC was<br>
dedicated to making skeds, so was just synced to the other
PCs, but only<br>
to receive the log.<br>
<br>
After some time, we noticed that the log was in sync, number
of QSOs was<br>
ok, but score was about 10% lower than on the "active" PCs.
Restarting<br>
Win-test solved the problem.<br>
<br>
(The main issue with this was the fact that we used this PC
for live<br>
scoring, so made a "jump" every time we fixed our score. Of
course not<br>
intentional, but some other participants did not really like
this...)<br>
<br>
As far as I understand, the same problem happened at DL0GTH
(I don't<br>
know which version of Win-Test they are using, but not the
latest either).<br>
<br>
<br>
Is this problem known or maybe already fixed in recent
versions?<br>
<br>
73' Alexander DL8AAU<br>
<br>
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