Adam, Be sure to have one of your data fields tagged as a TRACK_ID. Even though I'm guessing your lightning strike data doesn't really conform to "tracks", the Track Gap Detector is designed to detect when a specific track stops reporting (think of a Delivery truck that has a vehicle ID.). Since you may not have a TRACK_ID field, you may want to just add a field called "Track", fill it with a constant value like 'Track' and tag it as the TRACK_ID. Doing this will effectively make teh Track Gap Detector detect when your data flow stops since it will see the data as one single track. Hope this helps. Chris
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