Telia Grimeton :

 

a recording from the 'Alexanderson Day' 2012 (rb)
see here that signal with local QRN and the slight changes of carrier frequency

a nice memorial QSL from christmas 2008, collection Mauro Giroletti
see here different pictures from the collection of Tom Rösner, DL8AAM
a QSL for the 2012 Alexandersson day transmission (rb)

 

look here for the next possible transmission, and for more

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Callsigns:
SAQ

 

Frequencies Morse Telegraphy:
17.2