Verify GoogleMaps

[BigPete]

I think my Google Map is not quite accurate. :yuk: How do I check it

 

When I enter a new waypoint on (Garmin) Mapsource and then go to Google Maps - it's not always that accurate - can be out 500 -700 metres.

 

regards

 

:big_grin::big_grin:

 

 

[Guest basscheffers]

Is your Garmin's datum set to WGS84?

 

 

[Thx1137]

I think my Google Map is not quite accurate. :yuk: How do I check it When I enter a new waypoint on (Garmin) Mapsource and then go to Google Maps - it's not always that accurate - can be out 500 -700 metres.

 

regards

 

:big_grin::big_grin:

At work, we use google maps for our applications as long as accuracy isn't a great concern because it is not as accurate as our internal datasets. 500-700 meters does not sound right though, I am talking 10-50 meters. I don't have numbers to back it up, this is the info I get from the guys who manage our spatial data.

 

edit: I just saw some others talking about errors of up to an eighth of a mile.

 

 

[GraemeK]

That distance error is what you'd expect with the wrong datum as basscheffers said ....

 

 

[BigPete]

Datum is set to WGS 84

 

regards

 

 

[GraemeK]

Datum is set to WGS 84

Hmm - next theory then

 

 

[Guest magcheck]

Are you plotting airfields, if so the positions are for the ARP and not the actual runways