[time-nuts] GLONASS receiver
Miguel Barbosa Gonçalves
m at mbg.pt
Sun Aug 5 21:52:46 UTC 2012
On 5 August 2012 22:45, Bob Camp <lists at rtty.us> wrote:
> What sort of accuracy do you need? If 1 ms is "good enough", then indeed a GPSDO
I was looking at http://www.jrmiller.demon.co.uk/projects/ministd/frqstd.htm
and apparently this might work. I could connect this to one of my
servers and use the PPS signal on the serial port.
Anyone has experience with this product?
> On Aug 5, 2012, at 5:36 PM, Miguel Gonçalves <m at mbg.pt> 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?
>> An iridium oscillator calibrated, regularly by GPS?
>> Too many questions... but in the end I would like to know what is the best path that I could follow after these GPS receivers.
>> Many thanks!
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