Elevation disparities - Caltopo vs. Google Earth

[HB9EKO]

Hi Paula,
I also encountered significant deviations between the flood tool of Google Earth and official maps. See also this post:

Activation zone boundary annotation on maps

Hi Ed, I sometimes use Google Earth as well for a quick overview, but a couple of days ago, I found out that it has to be handled with care. One example: On my search for easy winter bonus points, DM/BW-235 is a quick catch since I don’t live too far away. Due to Covid, and since I didn’t have a valid reason for crossing the border without prior testing, I wanted to check if the AZ extends into HB9 and approach the summit from that side of the border. According to the summit database, the s…

I’d rather trust official maps instead of Google Earth.

73 Jens HB9EKO