Mystery vibrations have Green Bay couple spinning
Ehrfurths at loss to explain home's annoying noises
Bob and Leona Ehrfurth are very sensitive to the possibility that people might think they're crazy.
For the record, they're not — but they are being driven that way.
For two years now, the Ehrfurths have been enduring an annoying, persistent noise in their home — a low, motor-like rumble accompanied by a vibration. They can't figure out what's causing it, and it's been a challenge getting others to believe them because the problem starts and stops.
They've lived in the house at 2048 Mary Queen Road for 42 years, and it's only been the last two years that it's been a problem.
"It's like there's a semi parked right outside with the engine running, but when you look out, there isn't one," said Leona Ehrfurth, 76.
And it quits at the most inconvenient times. Like when they bring city officials, acoustic experts or news reporters into their house to experience the problem.
City officials spent $1,000 to hire a company to do some testing this spring; the tester heard no noise, and his equipment failed to measure vibration of any significance.
Nicholson hoped the equipment could be used inside one of the factories in the general neighborhood, but Municipal Judge Jerry Hanson wouldn't sign the inspection warrant that would allow that.
"There has to be some reasonable suspicion of some type of violation you could point to," Hanson said. "Nobody's been able to come up with anything that would point to anything specific."
"Now they KNOW we're crazy," Bob Ehrfurth, 75, grumbled after explaining how a technical expert installed vibration-monitoring equipment in their house and failed to measure anything of significance.
"Imagine putting your pillow on the hood of a running car — you can't sleep through that," Leona Ehrfurth said. "You get this pressure in your ear. Sometimes I have to get out of the house, because I can't take it anymore."
Bob Ehrfurth can sleep through it, but he doesn't like it.
"It doesn't matter if the windows are open or closed — you still hear it," he said. "It's worse in the winter."
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