here is a recording of a
telegraphic call of the International Committee of the Red Cross
in Ndjamena to the Headquarter in Geneva, Switzerland (HBC88)
(rb, 1985)
a verification by PPC from 1978 (Lars Lundström)
------------------------------------------------------------
Callsigns:
TTR88
Frequencies Voice:
20753
Frequencies Morse Telegraphy:
13965
13999
20753
Frequencies Radioteletype:
13915
13923
20753
27999.4
Systems used:
SITOR
PACTOR