Sorong Radio :
no recordings available
detailed QSL letter (Andreas Ibold, 1995)
------------------------------------------------------------
Callsigns:
PKY4
Frequencies Voice:
2182
3180
4420
4423
6215
6221
6224
6227
6501
6507
8800
Frequencies Morse Telegraphy:
458
500
6337
8461
12970.5