A: Occasionally, but not consistently. Copyright disputes have removed it multiple times. Your best bet is the Internet Archive.
The DRA (German Broadcasting Archive) in Wiesbaden and Potsdam has digitized thousands of hours of Nazi-era audio. Radio Wolfsschanze Sendung 1 Download
Podcasts like "Führer Headquarters" or "The Eastern Front Audio Archive" have hosted Sendung 1 as a premier episode. Use your podcast app (Apple Podcasts, Spotify, or AntennaPod) and search for "Radio Wolfsschanze" – many allow direct MP3 downloads for offline listening. A: Occasionally, but not consistently
The Archive hosts a rotating collection of WWII propaganda. While “Sendung 1” may not always be indexed, try searching: Radio Wolfsschanze Sendung 1 Download