this recording from Paul Hawkins is from around 1978
from about 1980 dates this recording from Rudy van Dalen
Maarten van Delft received his prepared card, and a few nice
souvenirs (1984)
see the PPC and the envelope from 1985 (rb)
this letter was mailed from the french PTT to Rudy van Dalen
for reception confirmation (1988)
------------------------------------------------------------
Callsigns:
D6B ***
Frequencies Voice:
9200
10188
11090
11096
11194
12266.3
15547
15765
15792
15798
17486
17490
17496
17500
17530
19546
19551
20215
20332
20338
20340
20343
20346
20404
20415
20420
20433
20812
20815
20817.3
20818
20820
20823.3
23380
24226
Frequencies Radioteletype:
17492
20338
20340
20418
20818
Systems used:
ARQ-M2-200
ARQ-M2-96
ARQ-M2/242-96