Andy: Thanks for doing those checks. I deliberately didn't give my own measurement result, to make sure we didn't influence each other's interpretation, but your 18msec early agrees well with my e
Hi Andy, Peter, that's interesting! Here's a screenshot from a quick experiment using a 72 kHz DSB mixer, showing MSF at 12 kHz and DCF77 at 5.5 kHz in the same spectrogram. The falling edge of MSF a
Maintaining a stable wrongness http://abelian.org/vlf/tmp/160226a.png Propagation delay here is around 0.52 mS. I'm missing 17mS of sleep each night because of this. -- Paul Nicholson --
Some years ago I checked the pips on Radio 4 198kHz and on 88MHz GFM against GPS. The long wave ones were coincident to the accuracy I could measure, about 100us, but the VHF ones were about 3ms la