Some Identified Stations 2009 by Earl J.Brannigan

The interesting webpage of Bert Kondruss
Military Airfield Directory Flugplatz im Kalten Krieg
is also covering NDBs in the Workers' and Peasants' State DDR(GDR)/Deutsche Demokratische Republik.
Many Unids from the 70 and 80s were for example recognized in his list:
[ Ungerichtete Funkfeuer (NDB) in der DDR in den 1980er Jahren]

HL listed as Simferopol 588.5 may also be Oranienburg 589.Often heard!
(Near to the former KZ and Speziallager Sachsenhausen)
HE 900 may be nine different locations, these were tactical beacons on ships in the Baltic Sea.
U 625 is Brandenburg-Briest
R 1030 is Cottbus 1030.5
FO 833 is Dresden 834
GZ/ZG 680 is Garz 679.5
HX/XH 610 and 609 is Holzdorf 609.5
DK/LE 615 is Merseburg 614
1145 MG is 1148 Müncheberg
960 B(daytime!)is 958 Marxwalde
N 868 is Peenemunde 867.5!(V2 rocket base during the Hitler dictatorship!)
TD/DT 950 is Neubrandenburg/Trollenhagen(In 1987 a "numbers" station was noted on this frequency ... see Amazing AM Europe, may also belong under "Clandestine Radio")
So strong was 950 during the day that I thought, "At least 10 kW!" And TAs had quite correct problems at times.
LR/RL 1247 is Laage/Rostock, aslo a daytime signal.

Twin beacons on same channel are two different transmitters....

Poland: OL 588.5 is 590 Szczecin/Goleniow often heard.

Unid:
1190.0 NÖ TW, RB 280371 was heard already 12/28/68 by SM.

Kondruss notes that Soviet NDBs in the GDR is not included in his list-at this stage.