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From: fitzgeraldea@ul.ie
Subject: RE: Underwater Ultrasonic Sensor: Supplier / Specs
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Date: Sun, 9 Jul 1995 14:59:18 GMT

>We are looking at using ultrasonic transmitter and receiver pairs for 
>underwater communication.

>Please forward supplier/specification information.

Ask the following UK companies for a catalogue :

	Morgan Matroc Limited (Transducer Products Division)
	============================================
	Thornhill, Southampton,
	Hampshire SO19 7TG England,
	Tel.  (01703) 444811
	Fax. (01703) 431768

	They stock a large range of PZT ceramic transducers suitable for underwater 
	  comms. Relatively cheap too: eg. 50 for a 1" hemisphere.

Or else

	Ferranti-Thomson (Sonar Systems UK Ltd.)
	===================================
	Lancaster Road,
	Carnaby Industrial Estate,
	Bridlington, Yorkshire YO15 3QY,
	Tel.  (0262) 602881
	Fax. (0262) 400074
	
	They stock a smaller ,more expensive range of PZT transducers
	  eg. 400 for an omnidirectional broadband 20mm sphere.
	

Hope this helps,
	Chris Madden
	maddenc@itd1.ul.ie	

