Other Applications
The Portland Horn™ is a cheap and simple device for making extremely loud noise both in and
out of the water. The frequency and amplitude of the generated noise may be varied.
App1Diver Recall and simple comms
Can be used in much the same way as thunder flashes. The signal is audible and a transducer can be used to detect diver signals.
App2
Safety EquipmentA very cheap and reliable method of locating people/objects in the water which may have fallen overboard. Due to the low frequency of the horn and its cheapness numerous other applications may be found for it, both commercial and military fields.