Just to underline Tom's comments, see the following paper
http://www.sm2cew.com/Digital%20communications%20using%20minimal%20transfer.pdf
Jan,
That report is amazing and disturbing at the same time. It appears we now
have a system that pre-establishes the callsigns and QSO information, cannot
actually decode the information without the data being pre-established, and
we now have stooped to a level where we claim this allows valid contacts.
Why would the ARRL or anyone else want or accept QSO's via that mode, when
minimal information was not actually being transferred?
73 Tom
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UR RST IS ... ... ..9 QSB QSB - hw? BK
