The most plausible explanation: "Dow" is simply a truncated filename from a 1990s audio transfer. Example: (where "Dow" indicates "Download" or the user "Downey"). On old dial-up bulletin boards (BBS), files were often labeled with downloader codes.
The term "Wolfsschanze" (Wolf's Lair) historically refers to Adolf Hitler's first Eastern Front military headquarters. In the context of modern music and media, it is frequently adopted by black metal and dark ambient projects to evoke a specific historical or atmospheric aesthetic. Radio Wolfsschanze Sendung 1 Dow
: Heavy use of tremolo picking and lo-fi production. The most plausible explanation: "Dow" is simply a