I agree that much of the problem with NIL's is due to operator error and
confusion, but in my opinion a lot of that can be attributed to the fact
that the contest sponsors have allowed too much crossover between folks
who are actually in the contest and non-contesters who just happened to
be caught up in it. FT8 and FT4 have a broad appeal and not all
participants have a good feel for contesting, even though they might
have turned in a log. I would be a ton of money that if everyone who
made a contact in any of the contests mentioned in your link had turned
in a log that the NIL rate would be several percentage points higher.
In my opinion, a lot of the confusion would be avoided if FT8 and FT4
contests stayed away from the general use frequencies.
73,
Dave AB7E
On 2/26/2020 7:26 AM, Joe Taylor wrote:
Log checking for several recent contests that used the FT4 and FT8
modes has shown undesirably large numbers of claimed QSOs that receive
not-in-log ("NIL") status from the other station. The WSJT
development team has worked together with contest sponsors and log
checkers to analyze the probable causes of these NILs. Our findings
and some operating advice for future contests are posted here:
http://physics.princeton.edu/pulsar/k1jt/FT4_FT8_Contesting.pdf
and will also appear in the May-June 2020 issue of NCJ, the National
Contest Journal.
73 from the authors of the study:
Steve Franke, K9AN
Don Hill, AA5AU
Ed Muns, W0YK
Iztok Saje S52D
Joe Taylor, K1JT
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