Mobile GPS can replace professional handheld GPS
Ziphah measured Mu instrument, a key measurement area, the use of simple, SV-118, with high precision imported GPS module and antenna, accurate measurement, the block walk in a circle to measure the size and graphics trajectory, 550 yuan, USB charging, large capacity lithium battery, black and white screen to see the clear day for outdoor use.
No, the phone's GPS is used for navigation, professional handheld GPS is used for measurement. Navigation GPS cannot be used for measurement because of insufficient accuracy.
No, professional signal and positioning more accurate,Walk along the plots in a circle can measure the size and graphics trajectory, 550 yuan, USB charging, large capacity lithium battery, black and white screen to see the clear day for outdoor use.
