double-DX: Panama with a voice mirror, and USNy
Guam NPN in telegraphy on the same frequency (rb, 1972)
Lars Lundström received this nice colored QSL card in 1966
different edition of the
QSL card (rb, 1970)
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Callsigns:
HOD **
HOE *
HPC **
HPD *
HPE
HPG **
HPH
HPI
HPJ
Frequencies Voice:
3177
3295
5145
5175
5280
7505
7872
9132
9152
10242
10255
10670
10900
11160
13510
13883
15925
17382
17453
17682
20728