Topher,

What about when someone uses TQSL to map FT4 to DATA, and the other person
on a QSO does not, and they both upload their logs (with different
mappings)? If you don't know what I'm referring to, here's a screen capture:

[image: image.png]

--
Dave Slotter, W3DJS <https://www.qrz.com/db/W3DJS>


On Wed, Jul 31, 2019 at 1:34 PM Topher Petty <ai8...@gmail.com> wrote:

> I believe Serge is concerned that his FT4 contacts won't get matched to
> other FT4 contacts in LOTW... though, LOTW directly accepts .adif files
> generated by WSJT-X, there should be no issue with contacts matching, since
> everyone's using the same software, all of which follows the ADIF standards
> set by committee...
> So.. if WSJT-X (which conforms to the ADIF standard) generates an .adif
> entry in the local log with MODE=MFSK and SUBMODE=FT4, and that gets
> uploaded with TQSL (which also conforms to the ADIF standard) to LOTW's
> databases (which also conform to the ADIF standard), then... when will
> contacts NOT match? Never; as long as the data is the same from the two
> uploads, the contacts will always match.
> FT8 contacts match all other FT8 contacts.
> CW contacts match all other CW contacts.
> EVERY bit of software we use to create, log, upload, store, and compare
> our contacts conforms to the ADIF standard, so all contacts with the same
> date, time, mode, and signal reports will match.
>
> There will be no lost matches...
>
> ..unless you're wanting FT8 and FT4 contacts to match, in which case, I
> think you're going to be disappointed.
>
> 73 de AI8W, Chris
>
> On Wed, Jul 31, 2019 at 1:22 PM Serge Smirnoff R6YY via wsjt-devel <
> wsjt-devel@lists.sourceforge.net> wrote:
>
>> 31.07.2019 19:46, Bill Somerville пишет:
>>
>> Your complaints seem biased, unreasonably, against the LoTW service.
>>
>>
>>
>> Dear Bill,
>>
>> I am not complaining to you or to anyone here. It seems to me that you
>> misinterpret parts of my letters and make far-reaching conclusions. I am
>> writing here because here are people who are not indifferent to the fate of
>> FT4.
>>
>> No need to write lengthy explanations. Just answer, what is the
>> fundamental difference between FT8 and FT4? And why for FT8 100%
>> verifiability in LOTW, and for FT4 - single?
>>
>> PS And indeed, LOTW is absolutely not guilty here. Just someone very
>> clever person came up with an idea incomprehensible to others.
>>
>> Best regards, Serge R6YY
>> _______________________________________________
>> wsjt-devel mailing list
>> wsjt-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/wsjt-devel
>>
> _______________________________________________
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> wsjt-devel@lists.sourceforge.net
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>
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