German Ham Radio Callbook PDF
Germany's telecommunications regulator, the Federal Network Agency (BNetzA), has released a new edition of the Amateur Radio callbook for free download
The 763 page PDF with station information as of 1st April 2019 - https://www.bundesnetzagentur.de/SharedDocs/Downloads/DE/Sachgebiete/Telekommunikation/Unternehmen_Institutionen/Frequenzen/Amateurfunk/Rufzeichenliste/Rufzeichenliste_AFU.pdf?__blob=publicationFile&v=51
Regulatory information about Amateur Radio in Germany (Google English) -
https://tinyurl.com/BNetzA-Amateur-Radio