The abbreviations and station numbers used for the 16 states of the Federal Republic of Germany are as follows: 


 CH = 10...19 = (Channel stations of no specified location)
 SH = 20...22 = Schleswig-Holstein
 HH = 23...27 = Hamburg
 MV = 28...29 = Mecklenburg-Vorpommern
 NS = 30...34 = Niedersachsen (Lower Saxony)
 HB = 35...36 = Bremen
 SA = 37...39 = Sachsen-Anhalt (Saxony-Anhalt)
 BE = 40...46 = Berlin
 BR = 47...49 = Brandenburg
 NW = 50...56 = Nordrhein-Westfalen (Northrhine-westphalia)
 RP = 57...59 = Rheinland-Pfalz (Rhineland-palatinate)
 HE = 60...66 = Hessen (Hessia)
 SL = 67...69 = Saarland
 TH = 70...72 = Thüringen (Thuringia)
 SN = 73...79 = Sachsen (Saxony)
 BW = 80...84 = Baden-Württemberg
 BY = 85...89 = Bayern (Bavaria)
 ZZ = 90...99 = (stations of unidentified location)
 IW = ....... = stations adminstrated by Germany in international waters  _OR_
                stations in german coastal waters


So a station number of 'D-3055' tells you, that the station is located in 'Niedersachsen', 
and 'D-6038' is located in 'Hessen'. Sometimes the numbers are different from the presumed 
location, these may be mistakes in my database, or the number refers to the administrative 
seat of a station. My aim would be to have the correct number for the state where the trans-
mitter is located. So there will be some changes from time to time.

Station numbers are formed like this - where # means a number 0...9 : 

 D-#### (D-1000 ... D-9999) utility stations
 D-B### (D-B100 ... D-B999) broadcast stations
 D-BC## (D-BC10 ... D-BC99) broadcast stations
 D-BT## (D-BT10 ... D-BT99) television stations
 D-FM## (D-FM10 ... D-FM99) broadcast stations
 D-F### (D-F100 ... D-F999) broadcast stations 
 D-T### (D-T200 ... D-T899) transmitter sites

The first 2 numbers designate the state of origin.