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KF161-Tracker
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Some time ago, Museum Jan Corver announced that it had plans to develop
an APRS modem and make it available as a DIY building kit.
Arno PE1ICQ and Jeroen PE1RXQ have designed an APRS modem that can
be fitted directly into the Bosch KF161 rig.
The circuit is quite similar to the popular TinyTrak modem,
but both the PCB and the software have been redesigned completely from scratch.
The KF161-Tracker is now available as a building kit from the Museum.
Any changes to the manual, enhancements, bugfixes, etc. will be made available
through this page.
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The PCB
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This is one of the first prototypes of the KF161-Tracker.
The PCB can be fitted directly in place of the 'selective tone unit'
(5TVO) of the KF161. The connectors at both edges of the PCB were
taken from this unit.
It's a double sided PCB, with solder mask and silk screen (white text).
As we've only used standard 'through hole' components (i.e. no SMD) it
can be built by virtually anyone.
At the centre of the PCB is the Microchip
microprocessor, a PIC16F628.
Click the image to enlarge.
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Download
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Links
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