Meanwhile, Lawrence had donned his headphones and, for the first time since his training at ASDIC
school, heard the distinct sound of a submarine blowing its tanks.
The gallery has a life-sized reconstruction of an ASDIC
hut on a British destroyer.
For starters, it helps to understand what the ASDIC
is and how it came to be built in Toronto.
The present ones are obsolete on the basis that they are vulnerable to sonar and Asdic
resources and even radar and aircraft.
A hydrophone effect was heard sounding like a torpedo and a strong asdic
(sonar) contact was made.
Four of the corvettes under his command either had new captains or were fitted with unreliable radar and short-range ASDIC
Another significant improvement was that she was fitted with asdic
, the Royal Navy's revolutionary new submarine detection device.
Frank Curry, an asdic
operator aboard HMCS Kamsack left this account of an encounter with white mist during his first tour of duty: