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] _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.