[time-nuts] Oscilloquartz 4532 GPS receiver
Magnus Danielson
magnus at rubidium.dyndns.org
Thu May 17 22:59:53 UTC 2012
On 05/17/2012 11:53 PM, John Miles wrote:
> Just picked up an interesting piece of hardware on eBay that I hadn't
> encountered before, an Oscilloquartz 4532 GPS receiver as described here:
>
>
>
> http://www.oscilloquartz.com/index.php?pageid=37
>
>
>
> It was selling for about the same price that Thunderbolts from China have
> been fetching, but it uses a nice OSA 8663 DOCXO with 1E-10/day holdover
> specs. I powered it up with a standard Trimble patch antenna and it appears
> to be serviceable. The all-important 1-pps LED started flashing green after
> spending about 30 minutes in various red/green states.
>
>
>
> However, while the 10 MHz output is clean and reasonably stable (ADEV near
> 4E-12 at t=1s), it's about 5 Hz too low. Possibly it's using a
> grossly-incorrect stored position. It looks like the so-called "GUI-based
> Configuration and Monitoring" software mentioned on the web page will be
> needed to get the unit to lock properly. Is that available anywhere, freely
> or otherwise?
Do ask Oscilloquartz directly.
Cheers,
Magnus
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