off topic: Longitude and Attitude
Two REALLY good videos, in case your GPS fails....
or: Why I wear a watch when traveling in the boonies....
A protractor, a pendulum, a nail, and a watch can get you home*, or damn close, if you can remember home's coordinates. 41.0N, 81.3W, is close enough to get me home. If your clever, your could do it with a pair of calibrated galvos and the Sun, but that is a story for another day.
~
*{disclaimer, may take 12-24 hours for a first position fix}
~
Skip the first two minutes;
https://youtu.be/b7yoXhbOQ3Y
then enjoy how to do the correction.
https://youtu.be/rRHhO7Wj4Ik
followup: finding North
https://youtu.be/u3l49zQREcY
The finer points:
https://youtu.be/ircLt-qvl3M
Steve
Last edited by mixedgas; 11-28-2019 at 06:37.
Qui habet Christos, habet Vitam!
I should have rented the space under my name for advertising.
When I still could have...