AnomalyIdling truck It isn�t me, I only experience it in my house as it seems to come from the north and travel from the ground up into my house framework. It definitely is coming from up from the ground and has cycles that I haven�t kept track of. Today it is loud.
28678 · 2018-03-19 · from the WORLDHUMMAP archive
An account in 28678
What they reported
First noticed: 1999
Pitch: 40 hz but rises and falls droning
Loudest: During the night
Where: Indoors
Symptoms: Annoyed
Changes with weather: More in summer nights
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This is a Hum report from Dr Glen MacPherson's World Hum Map, an open, worldwide record of people who hear an unexplained low-frequency hum. Reproduced with permission and with thanks; the project is at thehum.info. We remove anything on request. Location shown is approximate.