Anomalysubwoofer bass sound in different rhythms all night long yes the choise of sounds is not accurate since its not one tone its all night long and appears much more like the bass tones of a subwoofer..since i have heared it in two different housess each and every night untill the morning it cant be neighbours etc..its the same thing. and goes on all night long
The Netherlands, Hengelo(O) 7552 KN · 2019-02-04 · from the WORLDHUMMAP archive
An account in The Netherlands, Hengelo(O) 7552 KN
What they reported
First noticed: 2015
Loudest: During the night
Where: Indoors
Symptoms: Ear discomfort (pain, fullness, throbbing), Headache, Insomnia, Nausea, Sense of vibration, Anxiety, it ruins my entire life.
Changes with weather: yes with strong wind and rain it seems worse
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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.