------------------------------------------------------------------------------- DCF77 ------------------------------------------------------------------------------- This is a set of example captures of a DCF77 signal. The hardware used for receiving the signal is a Pollin DCF1 module (3.3V supply). The dumps were made January 9, 2012 in the evening/night. Details: http://en.wikipedia.org/wiki/DCF77 http://www.pollin.de/shop/dt/NTQ5OTgxOTk-/Bausaetze_Module/Module/DCF_Empfangsmodul_DCF1.html Logic analyzer setup -------------------- The logic analyzer used for capturing was a Saleae Logic. The logic analyzer probes were connected like this: Probe DCF77 module ------------------------ 1 (black) PON 2 (brown) DATA GND GND Data ---- The sigrok command line used was: sigrok-cli -d 0:samplerate=1mhz --time 1800s \ -p '1=PON,2=DATA' -o dcf77_1800s.sr The time and samplerate varies, depending on the file.