Approximately, but you really have to go to the zone and go to the corners and guess/check those values (increasing and decreasing them) until your loc dot is at just the right place. It takes me about an hour to get the zonerect 99% correct. This involves logging in and out over and over changing the zonerect value bit by bit (I use the gry-online's numebrs as a starting point though).
Quib
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