Discover Aus / Laptop
Submitted: Tuesday, Dec 28, 2004 at 21:11
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row
Can someone help me with my Discover Aus software problem i just setup my
Magellan Sports Track Pro to my laptop useing Discover Aus, now when i am up and running my position on the gps in spot on but the laptop is out round 200mts
either way i cant work it out, could my setup be wrong ?
Thanks Row
Reply By: David Au - Tuesday, Dec 28, 2004 at 21:20
Tuesday, Dec 28, 2004 at 21:20
You have selected the incorrect datum on one or other devices/maps/programs
Should more than likely be WGS84 or GDA94 and you have selected AGD66
AnswerID:
90578
Follow Up By: row - Tuesday, Dec 28, 2004 at 21:27
Tuesday, Dec 28, 2004 at 21:27
The software is only in Lon/Lat i will set the gps to the same and try that
thanks Dave.
FollowupID:
349183
Follow Up By: geocacher (djcache) - Tuesday, Dec 28, 2004 at 22:59
Tuesday, Dec 28, 2004 at 22:59
No row. Nothing to do with what it is displaying information in, the datum is what model of reference was used to align geographical locations with locations on a map.
Regardless of what reference is used on the program or map you are using ie. UTM, Lat/Lon etc. the datum must also be set.
If you are using a Meridian go to:
Menu
Setup
Map Datum
Primary
Select WGS84
Enter
Esc back to screen
Then try your moving map again.
Once you've done that and generated the detail maps for your SD card, throw DiscoverAUS in the back of the hard drive and get a copy of OziExplorer and start collecting maps for it. You'll never look back.
I do use it for it's street search ability but other than that I do all my trip planning and post trip work on Ozi.
Regards
Dave
FollowupID:
349192
Follow Up By: geocacher (djcache) - Tuesday, Dec 28, 2004 at 23:00
Tuesday, Dec 28, 2004 at 23:00
Oh and if you want an idea of what datums do search on google for GPS datum difference and the first few links will give explanations and examples.
Dave
FollowupID:
349194
Follow Up By: row - Wednesday, Dec 29, 2004 at 21:45
Wednesday, Dec 29, 2004 at 21:45
Dave:
Thanks for the info on my GPS/Laptop setup.
I have a copy of OziExplorer i have played around with it on my PC but not with the GPS/Laptop, i have aquired a few LPI map images but not
sure were to buy them from only a full CD from LPI
But if you know were i can buy up to 10 at a time i would be greatfull.
Thanks Row
FollowupID:
349274
Reply By: The Explorer - Tuesday, Dec 28, 2004 at 22:40
Tuesday, Dec 28, 2004 at 22:40
As the very erudite Dave Au has pointed out it is very likely a datum issue - so changing to lat/long will not help as this only changes the co-ordinate system used and the error will remain the same. There is no facility to change datums in DiscoverAus - its WGS84 and thats that. So the error is probably coming from GPS settings. I have not played with handheld GPS/laptops/moving map combination for a while (use ipaq+CF gps) so am a bit rusty..but I do remember that some GPS brands/units must have display datum set to that same as receiving program for moving map data (NMEA standard) to plot correctly i.e. set the display datum on gps to WGS84. I actually also use a ST Pro for certain jobs so will try and get a fix through the window and see if I can replicate your probelm..will advise.
Cheers
Greg
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AnswerID:
90591
Follow Up By: row - Wednesday, Dec 29, 2004 at 21:32
Wednesday, Dec 29, 2004 at 21:32
Greg:
Thanks i will try wgs84 i have a sports track pro and i had the primary
set on lat/lon and secondary on wgs84 i will i will swap them around and try that .
Thanks Row
FollowupID:
349271
Reply By: The Explorer - Wednesday, Dec 29, 2004 at 00:10
Wednesday, Dec 29, 2004 at 00:10
Row - yes can confirm that changing the display datum on your GPS to WGS84 will fix your problem. (Couldnt get a fix through the window to my PC so used the simulate function and changed setttings on GPS during plot from WGS84/Aus66).
Keep in mind this will not affect the downloading of waypoints/tracks - they always download in WGS84 irrespective of what datum you choose to display coords on the screen of your (Magellan) GPS unit.
Cheers
Greg
| I sent one final shout after him to stick to the track, to which he replied “All right,” That was the last ever seen of Gibson - E Giles 23 April 1874 Lifetime Member
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AnswerID:
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