UNTSO Jerusalem :
listen to the RTTY test transmission (rb, 1984) just in case you have no decoder at hand ;-)
QSL by letter and PPC (rb, 1984)
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Callsigns:
4UN
Frequencies Morse Telegraphy:
3203
7603
Frequencies Radioteletype:
2526
7587
7597
9152
9157
10461
14582
15827
15992
16232
17520
17565
18381
19280
19313
19742
19821.5
Systems used:
50 Bd
75 Bd