link: https://www.twobraids.com/2024/01/air-cannon.html
An agricultural air cannon began firing every two minutes all night long disrupting the sleep of many in my community. I used Google Maps, three listening posts, and a programmed simulation to pinpoint the field hosting the air cannon. The county tax assessor office identified the land owner. I had a phone conversation with the farm manager. That conversation was coincident with the cessation of the nighttime air cannon. I can sleep again.
This reminded me of an old Mathnet story from the TV show Square One titled “Despair in Monterey Bay”, where they are looking for a diamond and use triangulation to pinpoint its whereabouts:
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