Tracker details:
Tracker Schematic
TX Schematic
Tracker assembly manual
TX assembly manual
Parts list Tracker (pdf)
Parts list TX (pdf)
HEX code (zip)
Assembler code (zip)
PCB Gerber files
Datasheets
Programs:
Tracker configuration
GPS simulation
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e-mail OZ4HZ
Last updated 28 NOV 2016
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APRS tracker with a 145MHz
xtal controlled TX and 5W RF power
using a AT89C4051 microcontroller,
a switching regulator for very low power consumption
and power output (5V or 3.3V) to a GPS
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