Strictly true, but effectively they're the same, except for the delivery mechanism for broadcasting differential corrections - groundbased UHF radio for DGPS and geostationary satellite broadcast for WAAS/EGNOS. The D symbol just shows that differential readings are being received.
PHILLIP BARNETT SERVER MANAGER 200 GRAY'S INN ROAD LONDON WC1X 8XZ UNITED KINGDOM T +44 (0)20 7430 4474 F E phillip.barn...@itn.co.uk http://WWW.ITN.CO.UK P Please consider the environment. Do you really need to print this email? -----Original Message----- From: talk-boun...@openstreetmap.org [mailto:talk-boun...@openstreetmap.org] On Behalf Of Martin Koppenhoefer Sent: 05 October 2009 17:32 To: Dave F. Cc: OSM Talk Subject: Re: [OSM-talk] EGNOS 2009/10/5 Dave F. <dave...@madasafish.com>: > Martin Koppenhoefer wrote: >> 2009/10/5 Dave F. <dave...@madasafish.com>: >> >>> Barnett, Phillip wrote: >>> >>>> You can tell when it's working as some of the satellite reception bars >>>> will have a capital D above them. >>>> >>>> >>> Is that correct? >>> I sometimes get the D's displaying even if I have no reception (no bar >>> showing). >>> I've got a Garmin GPSmap 60C. Any body else get that quirk? >>> >> >> this unit (60 C) supports DGPS according to Garmin manual (DGPS is not >> available in later GPSs like 60CSx). >> > Correct me if I'm wrong, but I thought DGPS was superseded by WAAS. The > software has a WAAS enabled option, but they just didn't update the D to > a W. don't know what superseded means, but DGPS is not WAAS/EGNOS. Read Wikipedia for more info. cheers, Martin _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk Please Note: Any views or opinions are solely those of the author and do not necessarily represent those of Independent Television News Limited unless specifically stated. This email and any files attached are confidential and intended solely for the use of the individual or entity to which they are addressed. If you have received this email in error, please notify postmas...@itn.co.uk Please note that to ensure regulatory compliance and for the protection of our clients and business, we may monitor and read messages sent to and from our systems. Thank You. _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
