DBP Hamburg :
a recording from the collection of Hajo Russow from around 1970
a real QSL-card from the collection of Lars Lundström (1964)
an undetailed letter from 1971 on reception of Norddeich Radio administered by DBP (Hans-Friedrich Dumrese)
a detailed card from 1972, plain style (rb)
a non-detailed form card from 1972, yet friendly (Willi Passmann)
------------------------------------------------------------
Callsigns:
DGA**
DGC**
DGD**
DGE**
DGF**
DGG**
DGH**
DGJ**
DGK**
DGL**
DGM**
DGN**
DGO**
DGP**
DGQ**
DGR**
DGS**
DGT**
DGU**
DGV**
DGW**
DGX**
DGY**
DGZ**
Frequencies Voice:
1925
1939
2685
2730
3370
3700
3815
3837
4010
4035
4050
4580
4585
4590
4625
4762
4880
4882.5
5135
5195
5220
5228
5255
5280
5360
5435
5450
5800
5830
5868
5882
5937
6773
6790
6807
6813
6843
6858
6887
6955
7325
7332.5
7362
7365
7437.5
7460
7467.5
7482.5
7537
7610
7640
7646
7675
7757
7767.5
7812.5
7917.5
7982.5
8067.5
9057
9283
9297
9390
9455
9810
9875
9892
9910
9937
9947
9983
10107.5
10147.5
10150
10398.6
10440
10543
10593
10636
10703
10722
10850
10922
11000
11033
11160
11401.2
11482
11491.8
12005
12062.5
12142.5
12287
13364
13375
13408.5
13475
13482
13622
13735
13895
14357
14410
14437.5
14460
14513
14609
14794
14811.4
14950
14975
15472
15595
15731
15791
15860
15920
15995.5
16098.9
16166
16233.1
16247
16263.6
16358
16410
16442
17435
17465
17635
18135
18140
18312
18358
18390
18420
18452
18559.6
18610
18650
18720
18930
19227
19240
19443
19460
19947
20165
20322.5
20367.5
20420
20652
21780
22800
23141
23157
23400
23599
23735
23855
23976.8
24300
25045
25420
26120
26380
26703
26800
27010
27400
27460
Frequencies Morse Telegraphy:
4880
Frequencies Radioteletype:
13364
20420
Systems used:
50 Bd