Re: [time-nuts] GPS for Nixie Clock

On Thu, Jul 14, 2016 at 1:34 AM, Hal Murray wrote: > If you are building a PLL, it's a lot easier to filter a 10KHz signal than a > 1 Hz signal. You are correct. But this guy is building a nixie tube clock. The clock should increment the seconds at the tick of the UTC

Re: [time-nuts] A different way to think about time dilation?

Yes, the math works out. Whether it actually has physical meaning is kind of a philosophical question, but it's a useful tool. https://en.wikipedia.org/wiki/Proper_time#Examples_in_special_relativity is an example worth looking at. On Sun, Jul 10, 2016 at 12:01 PM, Chris Albertson

[time-nuts] Jupiter-T Pico timing receiver

I got in a Jupiter-T Pico timing receiver (from the good folks at RDR Electronics). These are pulls from something made by Lucent. It is a tiny 12 channel timing receiver with an even tinier (0.5mm pitch) 2x10 pin connector. RDR ships them with a mating connector and an antenna pigtail with

Re: [time-nuts] GPS for Nixie Clock

albertson.ch...@gmail.com said: > I don't know what you'd do with 10KHz except divide it by 10,000 to create > your own 1PPS but how to get it to "tick" on the exact UTC second? If you are building a PLL, it's a lot easier to filter a 10KHz signal than a 1 Hz signal. -- These are my

Re: [time-nuts] OXCO Spurious Output at Line Frequencies

Am 13.07.2016 um 04:38 schrieb Mark Sims: A friend on mine once worked on projects to build very sensitive magnetometers (submarine detection and space probes). Their test lab was in the middle of a square mile of land selected for its low magnetic residue properties. The building was