[time-nuts] WWVB remodulator dropbox links (I hope)

2014-07-06 Thread paul swed
Here are 2 documents I can add several 2 MB pictires and such if it works. The other comment is that its great to see the interest from various time-nuts. Thanks https://www.dropbox.com/s/rvc6k4qxq9d0t30/Remodulator%20operational%2006282014a.sch

[time-nuts] Trimble OCXOs - 6525, ... and ...

2014-07-06 Thread Philip Pemberton
Hi there, I've noticed a couple of Trimble OCXOs listed on that auction site. Specifically, model numbers: - 65256 - 49423 - 34310 C1 They all seem to be 12V, 10MHz, sine-wave units. Does anyone know if there are any other differences between them? Do any specific ones perform better

Re: [time-nuts] Trimble OCXOs - 6525, ... and ...

2014-07-06 Thread Chuck Forsberg WA7KGX
On 07/06/2014 05:38 PM, Philip Pemberton wrote: Hi there, I've noticed a couple of Trimble OCXOs listed on that auction site. Specifically, model numbers: - 65256 - 49423 - 34310 C1 They all seem to be 12V, 10MHz, sine-wave units. Does anyone know if there are any other differences

Re: [time-nuts] Magnetic Resonance Spectrometer - redux

2014-07-06 Thread Bob Stewart
Thanks Brooke.  I'll look into it.  It would be interesting to try to develop a frequency standard from a test tube of water.  Bob From: Brooke Clarke bro...@pacific.net To: Bob Stewart b...@evoria.net; Discussion of precise time and frequency measurement

Re: [time-nuts] Trimble OCXOs - 6525, ... and ...

2014-07-06 Thread Alex Pummer
some older models have higher phase noise, the very new ones are very good, sometimes they aged out the control voltage range, needing higher control voltage to pull to 10,000 MHz, some of them can not be pulled to the correct frequency any more without mechanical readjustment. They