[time-nuts] Loran in the US

[Jim Lux]

On 3/5/12 3:45 AM, Poul-Henning Kamp wrote:
> In message<20120305113804.48FC411B9A8 at karen.lavabit.com>, "Charles P. Steinmet
> z" writes:
>
>> Technical merit aside, I doubt there is any chance of getting
>> regulatory approval for such a system, at least in the US, for
>> practical and political reasons.
>
> Indeed, it's absolutely out of the question, as you well know all
> our problems these days are there isn't enough God in the constitution
> or something.
>
> Thats why some people in the military is looking into a modern
> more lightweight version of "Tactical Loran" for use when GPS is jammed.
>

What about the Locata folks?  That's a tactical GPS replacement of 
sorts.. precision position and time over a small area (or indoors).

BTW, I think the idea of using PN coded LF or VLF signals is a good one. 
These days, doing the correlation and such is fairly easy.