Riga Radio :

 

a recording from 1987 (rb)

 

no pictures of QSLs or other info available

 

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Callsigns:
UDH
UKB

 

Frequencies Voice:
2182
2605
4149
4357
6522
8294
8752
12356
12365
13089
13179
17311
17329
22786

 

Frequencies Morse Telegraphy:
442
500
524
4236
6336
6341.5
6368.5
6386.5
6496
8506
12671.5
12889.5
13070
16904
16955
16997
17181
22420
22445
22520

 

Frequencies Radioteletype:
2460
2535
4218.5
4335
6316
6325
6328
6341.5
6496
6499
8432
8434.5
8615
12579.5
12590.5
12671.5
16824.5
16864
16864.5
16904
17181
19738.5
19738.6
22376.5
22385.5
22387.5
22395

 

Systems used:
50 Bd
SITOR