[time-nuts] Loran in the US
Bob Camp
lists at rtty.us
Mon Mar 5 00:47:30 UTC 2012
Hi
You still come back to what killer Loran-C in the first place - Who is going to use it?
Until somebody shuts down GPS in a big way, not a lot of drive for an alternative. I not saying that is a well thought out situation. It is indeed the position everybody has taken. It is a classic cost / risk issue. Cost is known, risk is assumed to be low / zero...
Bob
On Mar 4, 2012, at 5:50 PM, "Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:
> In message <57034.12.6.201.2.1330897195.squirrel at popaccts.quikus.com>, "J. Fors
> ter" writes:
>
>> One option might be more, smaller, cheaper stations.
>
> At one point, a LORAN-X (for some value of X > D) was proposed which
> would use ~1kW transmitters with PRNG codes at 100kHz and give vastly
> better results than LORAN-C.
>
> It's mentioned somewhere in the ILA's archives, probably early '80ies.
>
> The idea has been partially validated by DCF77's phase-coding.
>
>
> --
> 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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