Seattle Radio, WA :

 

here a recording from 1986, quite damaged while crossing the north pole... (rb)

 

a long and very informative letter from the transition from ITT to private company (rb, 1986)
again, a very informative letter, from 1987 (rb)
here is a QSL card for WLO, when the station was operating together with KLB & WSC (Vladimir Rozhkov, 2000)

 

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Callsigns:
KLB

 

Frequencies Morse Telegraphy:
448
488
500
2063
4348.5
6410.7
8582.5
12907
12917
13002
17007.5
22539

 

Frequencies Radioteletype:
4214
6318
8425
12590.5
16808.5
16811
22396

 

Systems used:
SITOR