Correct, They are already at a price and size where they are making it onto light aircraft. An IN platform is life cycle cost competitive with a mechanical vertical/directional gyro pair and adding navigation is "just" (cheap apart from the RTCA DO-178 assurance) software. Echos of the end of Omega. The company I was working for had just added GPS modules to their Tracor Omega/VLF navigation systems. Unfortunately as the GPS was secondary to the Omega, they were not able to use them when the Omega was turn off. Robert G8RPI (MRAeS, day job avionics design engineer)
--- On Mon, 9/11/09, Poul-Henning Kamp <[email protected]> wrote: From: Poul-Henning Kamp <[email protected]> Subject: Re: [time-nuts] LORAN C shutdown To: "Discussion of precise time and frequency measurement" <[email protected]> Date: Monday, 9 November, 2009, 23:06 Don't overlook that laser/fiber "ring-gyros" will drop in price the patents expire and the predatory pricing ends: http://www.es.northropgrumman.com/solutions/mk39/assets/mk39.pdf As much as I have enjoyed playing with Loran-C, I would far rather have a shoebox-sized, totally autonomous dead-reckoning backup, with no lightning-prone antenna, than a Loran-C receiver. Doesn't help us timing guys, but we have Cesiums if we are really serious. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [email protected] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
