Photo above: Ulmer Münster, a large church in Ulm, Germany – Tallest in the world from 1892 to 1901.

Radio Donau 1 was a low-powered (100 watts) station located in Neu Ulm, Germany. We heard it on 11 May 1989 while driving through.  The frequency was 90.3 MHz and the transmitter power was 100 watts. The transmitter was located at Günzburg.