Comparing GPS Receivers

Real Time Kinematic (RTK) horizontal (mm+ppm) 8+1
Real Time Kinematic (RTK) vertical (mm+ppm) 15+1
Digital GPS (DGPS), real time (mm) 250
Digital GPS (DGPS), post-process (mm) 250
Static, horizontal (mm+ppm) 3+0.1
Static, vertical (mm+ppm) 4+0.4
USB version, No. of ports 1
Serial, No. of ports 3
Satellite systems* GPS; Opt. GLO, GAL, BDS, QZSS
No. of channels 440
Acquisition, cold (max seconds) 30
Acquisition, warm (max seconds) 10
Reacquisition (max seconds) 10
Battery type Li-ion
Standard battery run time* (hrs*) 12
External power? (Y/N) Y
Memory type* Int. Flash
Memory capacity, std/max 28 MB
Shock (drop, in meters) 1
Dimensions L x W x D (in) 9.4 x 4.7 x 1.9
Weight w/standard batteries (lbs, oz) 3, 10
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)