>Do you have any information about the accuraccy of google earth in
order to measure declination?<
It can be excellent but as has been mentioned, your display may not be set?
correctly to make it easy to achieve good accuracy. ?
We had a conversation on this list some?time ago (10 Feb 2008)
Angelo,
I had a look to the clock on a computer with Windows XP.
I used it with latitude 52, longitude 0 and timezone 0.
The "hora local" and "UT" should be equal but from time to time there is a
difference of one second.
See attached example.
Within this one second the clock gives the same time
