[time-nuts] tube GPS receivers
magnus at rubidium.dyndns.org
Sat Jun 22 21:14:58 EDT 2013
On 06/23/2013 02:35 AM, Bob Camp wrote:
>>> How accurate?? Resolvers are good to about 16 bit accuracy, so I guess 1
>>> part in 60,000. if the orbit circumference is 163 Mm, then a resolver
>>> can determine the position to a few km.
>>> However, I don't know that that is good enough. If you need to know to 1
>>> chip at C/A code rates, 1 microsecond, that's a pretty small fraction of
>>> one 12 hour rev of 43200 seconds. But maybe not.
>> Hmm. You could tabulate it even. It would be quite a bit of core-memory,
> Core and tubes??? Hmmm…..
We could get you some AC137 to play with if you want...
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