[time-nuts] Re-radiating a GPS signal...??

jmfranke jmfranke at cox.net
Thu Apr 12 18:46:03 UTC 2012


Yes, but the propagation times are the times from each satellite antenna 
phase center to the phase center of the receiving antenna. From that point 
forward, the relative time delays are unchanged. It is the same as if one 
was to record the RF signals at the back of the receiving antenna and then 
play the recording into a receiver a week later. The navigation solution 
would give the location of the receiving antenna when the recording was made 
and the displayed time would also correspond to when the signals were 
recorded and be off from the current time by a week.

John  WA4WDL

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From: "MailLists" <lists at medesign.ro>
Sent: Thursday, April 12, 2012 1:33 PM
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Subject: Re: [time-nuts] Re-radiating a GPS signal...??

> Purely geometrically, the fix solution is computed as the intersection 
> point of spheres with the radii determined by the propagation time, 





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