CORS Continuous Operation Reference Site
real time processing, continuous absolute positioning ( X, Y, Z). realtime RTK
distance between each station is usually less than 20 km. Trimble can be upto 50 km
due to interference due to ionosphere and high sunspot activity, interference from mobile phone base stations, mobile base station cars
only Trimble has an autoswitch
competitor : Leica Spider, can only do manual switch
output data frequency: up to 50 Hz military grade ( normally 5, 10 to 20 Hz)
application: 國家陸態網. to detect minute land movement , due to eargththqqiiale eartjhquake. or 大陸板塊移動 seismic movement
choke ring antenna - has high sensitivity against multi path interference
real time processing, continuous absolute positioning ( X, Y, Z). realtime RTK
distance between each station is usually less than 20 km. Trimble can be upto 50 km
due to interference due to ionosphere and high sunspot activity, interference from mobile phone base stations, mobile base station cars
only Trimble has an autoswitch
competitor : Leica Spider, can only do manual switch
output data frequency: up to 50 Hz military grade ( normally 5, 10 to 20 Hz)
application: 國家陸態網. to detect minute land movement , due to eargththqqiiale eartjhquake. or 大陸板塊移動 seismic movement
choke ring antenna - has high sensitivity against multi path interference
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