[time-nuts] Loran transmitters back on the air.
Poul-Henning Kamp
phk at phk.freebsd.dk
Fri Mar 2 08:57:05 UTC 2012
In message <4F50645B.40708 at employees.org>, Cliff Sojourner writes:
>had a sailboat in the 80s and 90s, used a West Marine LORAN receiver and
>antenna... easily got better than 100' accuracy and repeatability, year
>after year.
There is a very big difference in VLF performance at sea, high in the
air and at ground. The latter sucks most, which is why you need
detailed maps of local corrections.
I wonder how much of a role the recent "you could loose GPS to stupid
politics" experience has in this.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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