Started and ran normally (a little cold-hearted as usual at first) drove around, parked for awhile... Went to start it up to return to the landing... and it won't start. Had to get towed in.

Engine cranks fine and I can smell gas.. but it won't even pop. Acting like it's getting no spark (but I haven't dug in to testing yet).
Anything that I should be on the lookout for? Checked the tether switch... all seems OK there....
TIA for any help.
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