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NMEA Convert RMC to ZDA?
On Mon, 07 Jul 2008 05:33:05 -0700, Josh Assing
wrote: I think that's how it works. Unless you have some sort of proprietary equipment that uses a hinky system. Doesn't appear to be the case -- For example: Furuno device (navtex) accepts zda but doesn't even look at RMC... Hmmmmm - Well, nothing for it then - I must consult the High Holy Book of NEMA Data Sentences... TO THE WAVE CAVE!!! Ok, the ZDA sentence: $GPZDA,hhmmss.ss,dd,mm,yyyy,xx,yy*CC hhmmss = HrMinSec(UTC) dd,mm,yyy = Day,Month,Year xx = local zone hours -13..13 yy = local zone minutes 0..59 *CC = checksum The RMC sentence: No need to go further - I see what the problem is. Hmmmm.... Are you by any chance taking the data and displaying it on a PDA or analog device? Here's a link that may help you out. http://www.gpsinformation.org/dale/nmea.htm#intro Just puled up a host-search engine thing.... Um...huh? |
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