Sometimes a SPOT will work for years with glideport, then sudenly stop working. This is because if glideport ever has a communication difficulty with SPOT, it automatically deletes that particular XML feed as a safety precaution. The fix is to make another XML feed on your SPOT account, then register this new feed on glideport. There is a way to test your XML feed, simply go to this URL:-
https://api.findmespot.com/spot-main...x/message.json
with your own XML Feed ID. If you get an error message then there is something wrong with the feed, contact SPOT. If you get position fixes but glideport does not display your SPOT, then make a new XML feed and register the new feed with SPOT. Each new feed typically lasts several years, and you can delete obsolete ones on the SPOT site.

Duncan