After two earlier posts on the trouble I had with getting EGNOS to work on the Garmin GPSMap 60Cx, it seems that the trouble are now solved because of Garmin's latest GPS-chipset firmware upgrade.
As of February 18, 2008, the 3.60 firmware is available for the GPSMap 60Cx itself. This update changes some small maps things unrelated to EGNOS. There also is an update for the GPS Chipset type G, and it seems that this update did the trick for EGNOS. I now routinely get good SBAS signals on either Garmin channel 33, 37, or 39. The smallest EPE I have seen so far is 3 m -- a little more than I expected, but this might have been caused by a poor constellation.
The attached image show a nice 4-m EPE under some tree cover at an old fortress near Lake Zurich.
Thanks, Garmin!
2 comments:
Dear Niek,
I also got a new Garmin 60CSx, very happy with it so far.
Anyway, I never used the WAAS/EGNOS correction and I was wondering how you get it working.
I know you have to change the garmin setuo, switching on the WAAS correction.
BUT, did you pre-loaded any information, before that?
Thanx a lot for any help,
Leonardo
Hi Leonardo,
If you are in the US, you do not need any of the newest firmware updates; WAAS has always worked on that unit (I tested that when I visited the US). Of course, it never hurts to update.
Anyway, yes, to switch on WAAS, you need to enable it under Setup->System->WAAS/EGNOS . In addition, you have to run the GPS in normal (i.e., not "battery-saver") mode, otherwise the unit will not use differential GPS.
You should not have to pre-load any information; the satellites provide the required information themselves. The fastest way to bootstrap that information into your GPS unit is to put it somewhere where it has a clear view of the sky for half an hour or so; the next time you switch on your GPS, it will have remembered that information, and you can use DGPS within a few minutes.
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