a telegraph transmission,
recorded by Andy Stumpf in 1987
the station verified very friendly with letter (rb, 1985) ...
...or card & info-sheet (Rudy van Dalen, 1988)
------------------------------------------------------------
Callsigns:
HPP
Frequencies Voice:
2182
2507.7
2740
4357
4417
4426
6504
6516
8767
8773
8779
13086
13137
13170
17284
17302
17305
22702
22717
22756
Frequencies Morse Telegraphy:
445
456.5
500
512
4275
4338.5
6423.5
6479
8508
8589
8602.5
12699
13049.5
16869
17027.5
17232.4
22454
22499
Frequencies Radioteletype:
4214
4215.5
6315
8420
8420.5
8424.5
12583
12588
13075
16810
16822.5
22391.5
22397.5
Systems used:
SITOR