SBAS (WAAS/EGNOS/etc) use L1 carrier frequency and "compatible" PRN codes, but the datamessage goes at a higher rate (200bps (?)) than the normal GPS which uses 50 bits per second. This means that most receiver will have added dedicated/modified hardware for SBAS signals reception.
-- Björn > Talking of which, I have been wondering if our beloved Thunderbolts > could handle WAAS/EGNOS. I can't see any way to configure the current > software - doubtless an upgrade would be required, but does the > hardware have the capability? Does anybody have any thoughts? > > TTFN, > > Peter > > > 2009/12/1 Magnus Danielson <mag...@rubidium.dyndns.org>: >> David Pritchard wrote: >>> >>> Hi, >>> >>> I am trying to add DGPS capability to an older Rockwell Jupiter GPS >>> module. I have a known good DGPS receiver and have tried to interface >>> it to >>> the Jupiter via Serial Port 2 (pin #15). So far, I have had no luck >>> making >>> it work. I'm wondering whether I need to "tell" the Jupiter that I have >>> a >>> DGPS unit attached, using the binary commands (which I have no clue how >>> to >>> do since I normally use the NMEA mode). Any help would be greatly >>> appreciated. >> >> You should have this document in your hands anyway: >> http://gpsd.berlios.de/vendor-docs/jupiter/MN002000A_JupiterReceiver_DesignerGuide_print.pdf >> >> Digital protocol, DGPS... well most things. >> >> Cheers, >> Magnus >> >> _______________________________________________ >> 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. >> >> ______________________________________________________________________ >> This email has been scanned by the MessageLabs Email Security System. >> For more information please visit http://www.messagelabs.com/email >> ______________________________________________________________________ >> > > _______________________________________________ > 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.
