Hi Gary, Thanks for explanation. It gives me a clear picture.
I have tried to make few qso's using some kind of "combination" but not all of correspondents were able to follow. Anyway, I will keep using my standard call sign for now and I will check how the soft develops. CU on the air asap, 73! Alex SQ9UM Dnia 31.01.2018 o godz. 03:55 <g...@isect.com> <g...@isect.com> napisał(a): > Hello Alex. > > This is not something that can easily be solved in software because the > problem, as I understand it, is an inherent limitation in the FT8 protocol, > specifically the way it encodes callsigns into as few bits as possible. The > simple structure of conventional callsigns plus the limited character set A > to Z and 0 to 9), in effect, allows them to be compressed into just 28 bits > in the standard messages. > > Section 17 of the WSJT-X help > (http://www.physics.princeton.edu/pulsar/K1JT/wsjtx-doc/wsjtx-main-1.8.0.htm > l#PROTOCOLS) explains the technical details better than I can, while I've > done my best to express the problem in simpler terms in section 10 of the > FT8 Operating Guide (http://www.g4ifb.com/FT8_Hinson_tips_for_HF_DXers.pdf). > > > If it's any consolation, you can still send your special event callsign over > FT8 as 'free text' messages ... but on the receiving end, we won't be able > to double-click your message to respond to you. > > 73 > Gary Zl2iFB > > -----Original Message----- > From: SQ9UM [mailto:sq...@op.pl] > Sent: Wednesday, 31 January 2018 11:53 a.m. > To: wsjt-devel@lists.sourceforge.net > Subject: [wsjt-devel] Two digits in callsign > > Hi all, > > I've started in January the activity on FT8 using wsjt-x soft. > > I wanted to use my special callsign SN20UM (SN twenty UM) but wsjt-x does > not accept this two digits combination on third and fourth position in the > callsign. > > As I can imagine I'm not the first one who has reported this issue. Is there > any future soft implementation that will solve it? > > Any positive responses are highly appreciated. > > 73! Alex SQ9UM / SN20UM > > ---------------------------------------------------------------------------- > -- > Check out the vibrant tech community on one of the world's most engaging > tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > wsjt-devel mailing list > wsjt-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wsjt-devel > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > wsjt-devel mailing list > wsjt-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wsjt-devel ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
