[time-nuts] Using GPS to Fine Tune a Rubidium Frequency Standard.
mgeorge at tuffmail.us
Fri Mar 28 14:40:49 EDT 2014
I am a QEX subscriber and have that issue but I haven't built
The author referenced Brooks Shera as the basis for his work.
He uses a Trimble Resolution T GPS for a PPS reference and an
LPRO-101 Rubidium oscillator for the 10MHz.
His circuit divides the 10MHz output from Rb by 100 and
compares the phase of the 100kHz against the PPS.
A PIC16 MCU is the controller and uses the phase data to control
an external DAC to drive the Rb frequency control pin.
There were a couple of other time & frequency related articles in 2013
if you decide to get the CD.
On 3/21/2014 09:20, Anders Time wrote:
> Does anyone have a copy of the QEX 2013 november article(Bill Kaune) "Using
> GPS to Fine Tune a Rubidium Frequency Standard"?
> I´m really interested in this subject, but I can´t find this magazine in
> Sweden. I have contacted QEX, but it is very difficult to buy back-issues.
> Have any one built this frequency standard and can tell me more about the
> You can access the source code for the project here:
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