[time-nuts] nuts about position (cheap receiver)
Bob kb8tq
kb8tq at n1k.org
Thu May 3 21:32:09 UTC 2018
Hi
…… and the quoted errors are in the 10’s of cm range. Thus you need a few years,
even if you are moving an inch per year.
Bob
> On May 3, 2018, at 2:19 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
>
>
> kb8tq at n1k.org said:
>> If you have a very good survey grade receiver and take a long enough data
>> set, yes you can watch your location drift in some parts of the world. In
>> most locations, fixes a few years apart would be a better bet.
>
> I'm in Silicon Valley. The San Andreas fault is a few miles from here. A
> map of the bay area will show a dozen major faults. A neighborhood map may
> have several smaller lines.
> https://earthquake.usgs.gov/earthquakes/events/1906calif/virtualtour/bayarea
> .php
>
> The USGS has good GPS receivers sprinkled around the area. You can see
> occasional
> antenna domes on a post alongside the highway.
> http://www.quake.geo.berkeley.edu/usgs-gps/
> (Time sink warning.)
>
> The fault moves about as fast as your fingernails grow, an inch per year.
> That's one side relative to the other. I don't know how fast the pair is
> moving.
>
>
>
> --
> These are my opinions. I hate spam.
>
>
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
More information about the Time-nuts_lists.febo.com
mailing list