> NZ does have a time standard source - it is a Caesium Standard > that drove a 2.5MHz transmitter that used to be just down the > corridor when I worked at the DSIR in Gracefield. I believe it is > used to derive the time pips used on the radio Ah, that's quite true http://msl.irl.cri.nz/services/time/ "Colour Burst" looks interesting. A little less "fuzzy" than the others, although I guess the pips could be detected with one of the under- used LM567s lazing about here I can feel an impending exercise comparing MSL to Transpower..... -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist