Why does my GPS always measure distance shorter than my Total Station? Mark talks about Grid vs. Ground distance measurements when using Survey and Mapping Grade GPS receivers. Part of Mark's 'Survey …
Added by ⚡Survenator⌁ at 2:47pm on February 12, 2019
Why does my GPS always measure distance shorter than my Total Station? Mark talks about Grid vs. Ground distance measurements when using Survey and Mapping Grade GPS receivers. Part of Mark's 'Survey …
Added by Justin Farrow at 2:47pm on February 12, 2019
Unissued / Unused material -VS of plane from 'Hunting Surveys Ltd of London' being made ready and then taking off. Great material of aerial survey work being undertaken - lots of cameras and photograp…