Hi All
Further to my previous message concerning the effect of having CALL3.txt
present in the WSJT-X "user" directory, VK7MO has looked at the effect of
reducing the size of the CALL3.TXT file and has produced the following
summary. The numbers refer to the decode confidence.
CALL3.TXT
0420
0424
0440
0442
0448
Full
Decode 6
Decode 6
-
-
-
half
Decode 7
Decode 6
False Dec' 3
-
-
1/4
Decode 7
Decode 10
False Dec' 3
-
-
1/8
Decode 7
Decode 14
False Dec' 3
-
Decode 1
1/16
Decode 7
Decode 15
False Dec' 3
Decode 1
1/32
Decode 7
Decode 15
False Dec' 3
Decode 1
Last 41 calls
Decode 7
Decode 15
Decode 1
Last 17 calls
Decode 7
Decode 15
-
Decode 2
Decode 1
No CALL.TXT
Decode 7
Decode 15
-
Decode 2
Decode 1
More details and a link to the files that have been analysed can be found
at:
<http://www.sucklingfamily.free-online.co.uk/Mirek.docx>
http://www.sucklingfamily.free-online.co.uk/Mirek.docx
For microwave EME we do not need the large CALL3.TXT file (and note that
this is not now distributed in the builds that we have done), so this is of
no immediate concern, but it may be for VHF use if the same effect applies.
A less detailed analysis has also been done with r5318 and shows the same
behaviour.
73
Charlie
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