[time-nuts] New tide gauge uses GPS signals to measure sea level change
tholmes at woh.rr.com
Wed May 28 22:10:52 UTC 2014
I'll have to run a quick calculation on the data it presents to see if it is
good enough to use.
Tom Holmes, N8ZM
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Hal Murray
Sent: Wednesday, May 28, 2014 5:33 PM
To: Discussion of precise time and frequency measurement
Cc: hmurray at megapathdsl.net
Subject: Re: [time-nuts] New tide gauge uses GPS signals to measure sea
tholmes at woh.rr.com said:
> I'm not sure my Z3801 or any of my navigation receivers have the necessary
> resolution to see even 10 mm.
In normal operation (post survey), a Z3801A "knows" the location and uses
that to work out a better time and/or the time with fewer satellites. So
won't be getting any new location data.
It might be interesting to set one up in a loop to do a survey, grab the
location, then repeat. After a day or week, you could average the locations
and/or compute std dev and such.
These are my opinions. I hate spam.
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