Not anymore. There's also one next door.

Pinged once. Never seen before. Never seen again.

That's what gives it away. A "tower" that appears once, randomly, and never again.

Those are stingrays.

I upload all my network tower data to the online database.

I meander about town.

I am keenly aware of my surroundings and what is/isn't (supposed to be) there.

The triangulation is difficult when there's only 1 point. But the gps and all that is accurate to a few meters.