Brook no info on it. What I worked on is a solution for those of us that have austrons and no simulators to feed them. I suspect they might be hard to come by. Regard
On Tue, Dec 8, 2009 at 3:48 PM, Brooke Clarke <bro...@pacific.net> wrote: > Hi Paul: > > Austron made a simulator, see: > http://www.prc68.com/I/A2042.shtml > Click on photos to see larger images. > If anyone has any documentation on this unit please let me know. > > Have Fun, > > Brooke Clarke > http://www.PRC68.com > > > paul swed wrote: > >> A few weeks back I started a discussion on the demise of LORAN C. It was >> quite a long discussion and spawned several others. >> I will indeed miss LORAN C as a frequency reference for several reasons. >> It >> was very good more stable then wwvb on the east coast. >> And for 10 years I have had 3 austron 2100 and 2100f frequency monitors. >> I used LORAN C to set my RB standards. Granted I also have GPS using the >> hp >> 3801. >> So with the shutdown in Jan I hated junking the Austrons they are nice >> comparators. >> Recently, 2 days ago I set out to see if a LORAN C simulator could be >> created that was simple, effective, and inexpensive. Using very common >> parts >> and minimum of wiring. >> It would appear that it can be done. >> >> What I am using is 5 cmos chips CD 4000 series gates and counters and a >> parallax SXb micro programmed in basic. >> These have allowed me to emulate the master stations and the GRIs along >> with >> the phase reversals needed to identify a master. >> Using 2 RB standards a HP5065a as the master to the simulator and a cel >> tower RB pull and both had been set to LORAN C and checked with GPS the >> austrons tracking the simulated LORAN signal in 1-7 E-12th range as >> expected. >> >> This is very fresh data as this has been running about 5 hours now and >> there >> could be issues. >> More time is needed to cleanup the software about 100 lines of easy code >> thats simple and consistent in operation. (Read this as not tricky and >> really boring) >> Other comments the waveform is simple no attempt has been made to actually >> create the wave shape. (Part of the KISS principle) >> I really wanted to see what I could get away with. Still do wonder if I >> need >> the phase reversals. >> >> Now if there is interest I will need to figure out how to share the >> details >> and code. >> Will be on a business trip for the next few days so may not see a reply. >> Regards >> Paul >> _______________________________________________ >> 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. >> >> >> >> > > > _______________________________________________ > 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. > _______________________________________________ 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.