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Comparing GPS Receivers

Description
 
 
Accuracy
 
Real Time Kinematic (RTK) horizontal (mm+ppm) 10+1
Real Time Kinematic (RTK) vertical (mm+ppm) 15+1
Digital GPS (DGPS), real time (mm) 500
Digital GPS (DGPS), post-process (mm) 300
Static, horizontal (mm+ppm) 3+0.5
Static, vertical (mm+ppm) 5+0.5
Ports
 
USB version, No. of ports --
Serial, No. of ports 2
Tracking
 
Satellite systems* GPS, GLO, SBAS
No. of channels 144
Acquisition, cold (max seconds) 60
Acquisition, warm (max seconds) 10
Reacquisition (max seconds) 1
Power
 
Battery type --
Standard battery run time* (hrs*) --
External power? (Y/N) Y
Memory type* CF
Dimensions
 
Memory capacity, std/max 1/2 GB
Shock (drop, in meters) --
Dimensions L x W x D (in) 7.8 x 10.5 x 4.4
Weight w/standard batteries (lbs, oz) 7, 8
Satellite systems* = *Satellite systems - Global Positioning Satellite (GPS); GLONASS (GLO); Galileo (GAL); Compass (COM); Quazi-Zenith Satellite System (QZSS); Satellite-Based Augmentation Systems (SBAS)

Standard battery run time* = *Standard battery run time = Rover (rvr)

Memory type* = *Memory type = CompactFlash (CF); Internal Flash (Int. Flash); Secure Digital (SD)