Interesting Sound Clip re: Natures Airborne Multi-Spectral Mobile Fur-Bearing Sonar Sensor Platform
Useful Gadgetry for Ghost-Busting... All kinds of one-of-a-kind kits and ideas....keep opening in new window.
Hyper-Sensitive Footstep Detector
also watch for "Geophone" in E-Bay one unit (which keeps reappearing) capable of detecting footsteps from 30 metres - cheap!
Ultra-Sonic "Big Ear" capable of detecting other-wise inaudible sounds. Again similar item offered through E-Bay - not too cheap necessarily - watch for "Ultrasonic Microphone."
Full Version: Freq. Shifted Sound "Bite" of Bat Echo-Location
Unexplained Mysteries Discussion Forums > Unexplained Mysteries > Ghosts, Hauntings & The Paranormal
Thanks Way_Beyond, I've always wanted a... Ultra-Sonic "Big Ear"! Now I know where to get one 
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