here is a telegraph transmission
from MFA station OMZ, carried out by the PTT (rb, 1974)
this friendly letter (in german) is from the PTT verifying a
transmission for the MFA (rb, 1973)
.jpg){kind=small}
a very nice QSL-letter, confirming a contact between MFA Praha
and the Czech embassy in
Delhi (Daniel Ekman, 2015)
------------------------------------------------------------
Callsigns:
OLZ88 (used in czech republic, 1993 and later)
OMZ (used in czechoslovakia, until end of 1992)
Frequencies Voice:
11216
18300
Frequencies Morse Telegraphy:
4500
5204
5240
5250
6840
7898
9268
9273
9300
10306.5
10313
10915
13812
14812
15967
16180
16342.4
16368
16394
16395
16425
18030
18268
18320
18400
19320
20619
20752
20800
23906
Frequencies Radioteletype:
3234.7
3800
4842
4900
5050.5
5068
5070
5072
5204
5206
5250
5305
5744.3
5745
5746
5866
5868
6840
6841
6845
6847
6867.1
6871
6872
7620
7623
7626
7627.1
7630
7958
7960
7976
7976.5
8006
8068
8070
8125
8129
8136
9060
9080
9112
9268
9270
9276
9278
9282
9298
9300
9302
10101
10160
10313
10413
10705
10729
11007
11216
11400
11412
11500
12210
12216
12219
12291.5
12309.7
12310
12312
13398
13920
13981.9
14362
14382
14480
14649
14810
14812
15750
15812
15812.1
15940
15941
15942
15970
16015
16100
16178
16181
16216
16270
16298
16300
16304
16335
16342.4
16355
16357
16358
16369
16370
16392
16393
16395
16398
16400
16405
17400
18028
18200
18230.2
18268
18298
18300
18319
18320
18396
18400
18518
18918
19154
19305
19320
19400
19468
19673
19807
20618
20619
20619.1
20673
20788
20900
20990
20995
21810
22799
22800
22820
22856.5
22857
23749
23754
23898
Systems used:
50 Bd
75 Bd
100 Bd
ASCII 100 Bd
ASCII 172 Bd
ASCII 200 Bd
ASCII 213 Bd
ASCII 301 Bd
ASCII 401 Bd
ASCII 481 Bd
IRA-ARQ-200
IRA-ARQ-300
IRA-ARQ-400
PSK
PACTOR-III
.