[time-nuts] Loran - any good for timekeeping?

Poul-Henning Kamp phk at phk.freebsd.dk
Fri Apr 21 15:57:57 EDT 2006

In message <444937B6.6020405 at pacific.net>, Brooke Clarke writes:

>The neat thing about the Locus LORAN-C receivers is that they are "all 
>in view" instead of being tied to a single GRI.
> http://www.locusinc.com/loran.html

Yeah, I do that in my own Loran-C software receiver too.

>I also find that using the Austron 2084 Filter Multicoupler between the 
>antenna and 2100T helps since I can tune a number of the filters on the 
>same interfering signals.  It also has a sferics blanker.

I do all that in software on a cheap ITX card.

>If what you're doing is less than this then maybe you don't have as 
>robust a front end.

My front end is just a loop-antenna and an amplifier before the
A/D converter.  Everything else is in software.

And btw my computer can also decode and carrier-track DCF77, HBG,
MSF and a couple of local long-wave stations at the same time :-)

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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