History Mystery - Williamstown Observatory (1863)
[A post for a friend of a friend who may be able to help, but obviously anyone can read and comment if you have any
navigation
Navigation – Getting the basics right (Part 2)
This is not directly related to Part 1, but similar concepts : you need to get the underlying basic setup – or measurement system – right.
Just a
Navigation – Getting the basics right (Part 1)
Something that happened today (see Part 2) reminded me when I first got a GPS. This was 2008 and it was a hand-held Garmin which