I have emailed Groundspeak for help, but the system will not accept the upload of a new file. Apparently the no longer support Wherigo so...
When you get given the final co ordinates in the cartridge the North is correct. Subtract 5 from the eastings and look for a hanging bison
Just as you park your car for a day's geocaching something comes hurtling out of the sky. And then.... download the wherigo cartridge to find out what happens next
Before you start be sure the GPS is switched on in the software you are using for the Wherigo. Just because it is switched on in your GPS unit or on your phone doesn't always mean it is switched on in the software