dcf77rx(1) on Linux
The text 8de2b419d7cd, as Debian 5.0 (Lenny) shipped it. The page shows this text now.
soundcard DCF77 (and HBG) beacon receiver
Flags it lists
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-a -
-g -
-l -
-n -
-p -
-s -
-t -
-u -
-v