Move distance calculation to Coordinate class. Use inheritance instead of composition in Anchor class. Made Anchor class static. Use epsilon equal comparision when checking for same station: Boy, do you ever learn that sharp equal comparison of doubles is not a clever idea!?

#!/bin/bash

bin_dir=`dirname $0`
bin_dir=`readlink -f $bin_dir`
exec java \
    -Dlog4j.configuration=file://$bin_dir/log4j.properties \
    -Dconfig.file=$bin_dir/../doc/conf-oracle.xml \
    -jar $bin_dir/etl.jar