[time-nuts] OT - GPS and North

[J. Forster]

It's going to be hard to use LORAN C, if the system is shut down.

-John

=================

> Stanley Reynolds wrote:
>> Yes, found this patent :
>>
>> http://www.freepatentsonline.com/y2008/0186232.html
>>
>> "A method and radio navigation system compass apparatus for determining
>> true north or azimuth or orientation of a vehicle or the like by the use
>> of integrated Loran and satellite radio navigation receivers employing
>> crossed-loop H-field antennas for the Loran reception, or the use of at
>> least three Loran type transmitter, or two Loran type transmitter and a
>> synchronized clock for determining both position and azimuth. "
>>
>>
>> synergy, the whole is greater than the sum of the individual parts
>
> Traditional Directional Finding techniquest combined with positional
> information from the Loran-C is a good mix. Question is if the invention
> is that big that a good patent would hold.

[snip]