Posted by Glen Id [70.41.247.101] on Wednesday, June 29, 2011 at 19:41:41 :
In Reply to: Re: Saw somethng cool today posted by Gar in CO [64.234.252.237] on Wednesday, June 29, 2011 at 14:05:26 :
Another way to calibrate them is set to a known altitude before you go. Always been tempted to do that but they take up a lot of dash and the GPS will give altitude close enough.