Redirect binding logs to file

So I managed to find a solution.

Had to replace my C:\openHAB\userdata\etc\org.ops4j.pax.logging.cfg with one that contains only:

org.ops4j.pax.logging.log4j2.config.file=${karaf.etc}/log4j2.xml

Then added the following to my log4j2.xml

 <!-- GPSTracker appender -->
                <RollingRandomAccessFile append="true" fileName="${sys:openhab.logdir}/gpstracker.log" filePattern="${sys:openhab.logdir}/gpstracker.log.%i" immediateFlush="true" name="GPSTRACKER">
                        <PatternLayout>
                                <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%-5.5p] [%-50.50c] - %m%n</Pattern>
                        </PatternLayout>
                        <Policies>
                                <SizeBasedTriggeringPolicy size="16 MB"/>
                        </Policies>
                        <DefaultRolloverStrategy max="8"/>
                </RollingRandomAccessFile>
<!-- GPS Tracker -->


        <Logger additivity="false" level="TRACE" name="org.openhab.binding.gpstracker">
                <AppenderRef ref="GPSTRACKER"/>
        </Logger>

Hope this helps someone else.
Mark