Navigation without GPS using a Theodolite and star charts (Len Beadell) скачать в хорошем качестве

Navigation without GPS using a Theodolite and star charts (Len Beadell)

Len Beadell was a surveyor tasked with mapping vast swathes of the Australian outback that were largely undocumented. He helped build thousands of kilometres of roads, opening the outback to activities like nuclear testing to exploration and tourism His work began in the 1940's and required survey marks with accurate locations being placed, long before GPS technology. Here, Len gives you a crash course on how to get accurate location coordinates using a Theodolite, star charts and some maths. Taken from the VHS release of 'Too Long In The Bush'. This title is still available on DVD from Len Beadell Publications here: https://www.lenbeadell.com.au/product...