Hello guys,

I have send this issue yesterday, but haven't been member of the list already.
I'd suggest to make this:
In principle, we could make a "3XY" an acceptable, three-character prefix, as a special case. Not a very attractive possibility, but...
cause this is really one and only special one case, when the prefix is not standard, but is real..

73 Libor

----- Original Message ----- From: "Joe Taylor" <[email protected]>
To: "WSJT software development" <[email protected]>
Sent: Sunday, October 29, 2017 6:30 PM
Subject: Re: [wsjt-devel] FT8 Call sign anomaly with 3XY4D


Hi Rich,

On 10/29/2017 1:19 PM, Rich - K1HTV wrote:
A new FT8 DXCC country popped up today, 3XY4D. When I double clicked on his CQ call, it did not populate the message boxes.
...

The behavior you described is no surprise to anyone who has read the definition of what's treated as a standard callsign in any of the slow modes in WSJT-X.

See, for example, the original defining document for JT65:
J. Taylor, K1JT, "The JT65 Communications Protocol" (QEX,
September-October 2005, p 3):
http://physics.princeton.edu/pulsar/K1JT/JT65.pdf

... or the WSJT-X User Guide here:
http://www.physics.princeton.edu/pulsar/K1JT/wsjtx-doc/wsjtx-main-1.8.0.html#PROTOCOLS

Relevant text:

"A standard amateur callsign consists of a one- or two-character prefix, at least one of which must be a letter, followed by a digit and a suffix of one to three letters."

The callsign 3XY4D does not follow this worldwide standard convention. For this reason, the messages you showed are all treated as free-text messages.

I am sure it is very frustrating for 3XY4D, and also for those trying to work him (as I did, yesterday, by using free text messages in FT8).

In principle, we could make a "3XY" an acceptable, three-character prefix, as a special case. Not a very attractive possibility, but...

-- 73, Joe, K1JT

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