+ AA6YQ comments below
You may also need "Lookup missing location info" (and, optionally, "Capture location info from notes").
+ Correct.
+ If a Spot Database Entry's ODX field is empty, that means SpotCollector could not compute the distance to any of the spotting stations because it did not have their locations.
+ This prerequisite was not stated in
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+ It is now.
73,
Dave, AA6YQ