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Date: Tue, 30 Jan 1996 11:59:01 -0800 (PST)
From: "Peter N.R. Heseltine" <heseltin@hs*.us*.ed*>
To: techdiver@terra.net
cc: Karl Huggins <huggins@mi*.us*.ed*>, Harold Gartner <hgartner@ra*.or*>
Subject: MiniDoppler

Underwater applications has a mini doppler machine available for a good 
price ($595 with one probe and additional probes at $295), The size makes 
it very attractive for travel/boat use (5.5"x2.9"x1.1") and it's powered 
by a 9 volt battery.

Leaving aside why I would want to measure postdive bubbles (which I'm
willing to discuss), has anyone actually used this machine or compared it
with standard or other portable dopplers? 

UnderWater applications (508 628-9520) recommends a 2MHz probe for
precordial (heart) observations and a 4MHz probe for subclavian
measurements. Do you have any opinions about which or other probe(s) would
be most useful for detecting silent bubbles in divers doing 4-5 dives a
day in the 80-150 fsw range for 10 or more days. 

many thanks for any info and safe diving

Peter Heseltine
heseltin@hs*.us*.ed*

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