Posted by: Jan-Olof
Date: November 18, 2017 03:37AM
I see mentions, in a lot of patrol reports, of S1 messages, e.g.
"21.55 received S1 231650 'Gerda' ready to sail"
I assume this is Ultra information, but are the messages the same as, or at least a subset of, those which can be found in DEFE 3?