The tone that worked best had a frequency of 100 hertz and a loudness of 65.9 dBa (A-weighted decibels). It has been trademarked as "sound spice." Live mice subsequently listened to it for five ...

Marine forecasts and warnings are broadcast to mariners over High Frequency (HF) radio from Charleville (VMC) for eastern waters and Wiluna (VMW) for western waters. The service comprises: Marine ...