[time-nuts] GPS III

Bob Camp kb8tq at n1k.org
Mon Nov 13 08:56:25 EST 2017


There are papers from ION and other places detailing testing on the 
new(er) clocks. They do have quite good ADEV performance. If they 
start showing up on eBay, expect a bidding war ….

The most useful thing for an L1 user is getting the added bits into the
datastream for the epoch. That (plus ground firmware changes) will 
get rid of our roll over issues. Not much help for older product though. 


> On Nov 12, 2017, at 11:35 PM, Don <dlewis6767 at austin.rr.com> wrote:
> I read where the first GPS III satellite had finally been approved for
> flight. 
> The report said they will provide three times better location accuracy
> than current GPS.
> Will  "better" onboard clocks help contribute to this improvement?  How
> are they "better"?
> Can we expect enhanced timing accuracy from the timing receivers we use
> in our homemade GPSDO's?.
> -Don
>  N5CID
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