@Surplus1
The header of Celia's alleged memos is missing so, we don't know to whom it was addressed.
a. not missing,
b. we know the addressees
i read, GG SLVRYGYF SLVRYGYE SLVRYGYF (herself being ZSLRZPZX ) message sent 29 Nov 1650 utc
for more on AFTN codes check [URL =
http://dcaa.trafikstyrelsen.dk:8000/...20no%20149.PDF [/URL]