Сколько минимально нужно спутников: 3 или 4 и зачем? (+)
Добавлено: 23 июн 2002, 01:09
II+ owner's manual
page 1. What is GPS
"The GPS II+ must continuously see at least THREE of these satellites to calculate your position and track your movement"
page 2. Satellite Acquisition
"Although a GPS receiver needs FOUR satellites to provide a three-dimensional (3D) fix, it can maintain a two-dimensional (2D) fix with only three satellites"
Так сколько GPS нужно спутников, и если 4, то зачем? Трех разве не достаточно?
page 1. What is GPS
"The GPS II+ must continuously see at least THREE of these satellites to calculate your position and track your movement"
page 2. Satellite Acquisition
"Although a GPS receiver needs FOUR satellites to provide a three-dimensional (3D) fix, it can maintain a two-dimensional (2D) fix with only three satellites"
Так сколько GPS нужно спутников, и если 4, то зачем? Трех разве не достаточно?