My website tells me a year ago I hung a hydrophone off Chantry Bridge in Wakefield and recorded the underwater sounds.
Probably best not listening to this if you need a wee.
https://on.soundcloud.com/51bYR
#hydrophone #water #Wakefield #WestYorkshire #ChantryBridge #HepworthWakefield #river #weir #naturalSound
An underwater microphone, under Chantry Bridge in Wakefield. Model D/140 (https://www.neptune-sonar.co.uk/products/hydrophones/modeld140) kindly supplied by my daytime employer Neptune Sonar Ltd of Yo