New Delhi Aero :

 

listen to New Delhi Aero working a Speedbird flight in this recording from 1992 (Rudy van Dalen)

 

a PPC from 1985, unfortunately without details (rb)

 

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Callsigns:
AWD

 

Frequencies Voice:
2931
3446
3467
5547
5658
6624
8889
8891
8906
8936
8938
8948
10018
10066
13288
13312
13336

 

Frequencies Morse Telegraphy:
4570
9204
15895

 

Frequencies Radioteletype:
4024.5
4033
4052.5
8071.5
12315
12320

 

Systems used:
50 Bd