[time-nuts] NTP server using an OCXO, GPS chip and Raspberry Pi

[Bob kb8tq]

Hi

Assuming you can get a good sky view for the GPS / GNSS device, that’s about 
all you need. Feed it into whatever computer you decide to use and move on. The
OCXO is simply a power hungry “non contributor” in this case.

Bob

> On Apr 24, 2020, at 2:46 PM, Andreas Kempe <kempe at lysator.liu.se> wrote:
> 
> Hello everyone,
> 
> I want to build an affordable quality time source for my computer
> club. I've been toying with the idea of using an oven controlled
> oscillator from Ebay for getting a reasonable (0,5 ppm frequency
> stability) 1 PPS signal and a cheap GSP chip with UART for syncing the
> time. I was thinking of running this on a Raspberry Pi with FreeBSD
> and its gpiopps driver.
> 
> Is this a reasonable setup for an affordable NTP server?
> 
> Cordially,
> Andreas Kempe
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