Varna Radio (LZW) :

 

a CQ call from LZW from 1986 (rb)

 

and a QSL from 1987 (rb)
from 2007, here is a very detailed QSL letter (Patrick Robic)
Meikel from the UTDX group received this electronical letter in 2021

 

TX-Site Bliznatsi

 

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Callsigns:
J
LZW**

 

Frequencies Voice:
1665
1686
1750
1794
2182
2770
3740
4408
4414
4435
6504
6510
8746
8770
8812
13125
13131
13152
13191
17332
17344
17386
19782
22702
22717
22822
26151

 

Frequencies Morse Telegraphy:
439.5
475
500
512
4250
4314
4350.4
6336
6337
6405
6448
8460
8480
8532
8607
8610
12069
12659
12840
12880
12938
12940
13000
13040
13940
16918
17055
17145
22344
22374
22486
25880

 

Frequencies FAX Picture Transmissions:
17187

 

Frequencies Radioteletype:
439
442
445
456.5
518
519.5
523.5
1621
4207.5
4212.5
4218.5
4220
6312
6321
6325.5
6330
6331.5
8414.5
8421.5
8423
8432.5
8437
12577
12586
12587
12594
12604
12616
12635.5
12657.5
16804.5
16815
16825.5
16837.5
16860.5
16879
16887
16901.5
16903.5
17228
19683
19689.5
19704
22379
22386.5
22390
22407.5
22426
22444.5
22564
25121.5
26105
26117

 

Systems used:
DSC
SITOR
120 rpm