These signals were created in the early 1970's by a local radio shop for Moorestown, N.J. to use for dispatching Fire and Ambulance calls to avoid confusion since the fire and ambulance tones were simillar sounding. They were discontinued in 1992. The warble tone was used to activate the sirens.
YOU WON THE DAILY DOUBLE!!!
htfkid2000 3 months ago
I would say the 80's ... the phase tone gives it away.
excellent!
firebrigade101 4 months ago
do you have the old burlington TWP and city tones?
vlaup 1 year ago