Hello Markus and Riccardo, Looks very nice now, thanks for the decodes and images. 73, Stefan Am 21.06.2017 09:21, schrieb Markus Vester: Measurements in Nuernberg are confirming Ric's observations.
LF, I'd try the last fix by Wolf in Spectrum Lab 2.94 b2: the auxiliary output (unmodulated carrier mode) looped back in L channel. 1PPS in R channel added with internal signal generator on 1546.2 Hz