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From: "A.Appleyard" <A.APPLEYARD@fs*.mt*.um*.ac*.uk*>
To: techdiver@terra.net
Date: Mon, 6 Nov 1995 08:39:25 GMT
Subject: Re: UW Communications Systems: `wireless'

  ststev@uv*.co*.UV*.CA* wrote (Subject: Re: UW Communications
Systems):-

> We use Interspiro FFM's and OTC's 'Buddy Phone' wireless communications
> system. ... Range under water is 50m under really bad conditions and well
> over 100m under favorable conditions. The surface unit (VOX or manual mode)
> ranges up to 1000m u/w. Each diver carries a diver unit and the crew on the
> surface uses the surface unit.

  Is this system radio or ultrasound? The English word `wireless' in old days
(and still nowadays to some older people) meant specifically "radio", rather
than merely literally "without wire".

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