PTT Singapore :

 

here is a recording of their english female voice mirror, made in 1974 (rb)
a recording from Paul Hawkins from approximately 1977

see this QSL aerogramme letter from 1976 (Frank Schüttig)


they were also verifying reports for ANSA Relais and Singapore Volmet

 

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Callsigns:
9VC**
9VE**
9VF***
9VK**

 

Frequencies Voice:
5072
8169
9065
10275
10961
11065
12195
12267.5
12268
14659
14700
15720
19608
20820
21830
23390

 

Frequencies Radioteletype:
4500
5837
5885
5903
5908
5920
6769
6790
7375
7395
7635
7885
9280
9840
9890
9945
10200
10375
10630
10777
10822
11060
11087
11105
11125
11147.5
11475
11515
11520
11562
12268
13390
13395
13465
13492
13590
13810
13847
14885
15585
15686
15815
15986
17443
17620
18465
18475
18490
18540
18780
18974
19745
19845
19945
20245
20370
20910
23015
23165
23410
23530
23595

 

Systems used:
50 Bd
ARQ-E-96
ARQ-M2-96