[time-nuts] GLONASS receiver

Magnus Danielson magnus at rubidium.dyndns.org
Sun Aug 5 18:43:43 EDT 2012


On 08/05/2012 11:36 PM, Miguel Gonçalves wrote:
> Hi there!
>
> I currently have 2 embedded machines connected to a Garmin 18 LVC and a Sure GPS board.
>
> They are NTP servers for my company's LAN and I, at the moment, I get sub-ms accuracy over the LAN.
>
> Everything is fine but I am a bit worried about the GPS reliability because GPS is ruled by the USA. Would a GPS disciplined oscillator solve any potential problems? A receiver for GLONASS, even though I did not find any at a reasonable price, would be better?

The main way you can expect to loose GPS signal by intent is by jamming. 
If you jam GPS, you better jam GLONASS at the same time.

Cheers,
Magnus




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