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GPS Receivers
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The Trimble
SK8 (5.0 volts power, $35) and LP (3.3 volts power, $25) each monitor 8 satellites. The LP is a low
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power
version of the SK8, and both receivers output NMEA or TSIP messages on serial port 1. The uBlox ($80)
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monitors 12
channels, and outputs NMEA or SIRF messages on serial port 1. All receivers accept RTCM-SC104
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differential
GPS corrections on serial port 2.
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