[at-l] whistle science

[saunterer@jimbullard.org (saunterer@jimbullard.org)]

At 03:47 PM 2/27/02 -0500, Raphael Bustin wrote:
>At 01:43 PM 2/27/02 -0600, Phil Heffington wrote:
>
>Whistles make a fairly high frequency noise.  High frequencies are
>harder to hear by older people however.  To make an older person hear
>you, don't speak louder, speak "deeper", and it will usually work.   In
>the woods, however, would a whistle sound carry better, or be better to
>pinpoint, than the sound of a gun, which is lower frequency, and tends
>to echo?   I use a small metal one for a zipper pull on my pack.  I
>can't really remember evaluating the sound of it in "field" conditions,
>though.

I carry a two tone "British Bobby's whistle".  I can hear it just fine 
despite my tinnitus.  Of course, I'm blowing it so maybe I don't count.  :-)

sAunTerer



>Let's bear in mind that there are choices (for signaling)
>other than whistles or guns.
>
>I haven't taken it hiking yet, but when I'm on my sailboat
>in the ocean, I carry a small hand-held flashing xenon
>strobe. It's powered by one AA battery, and weighs maybe 3
>or 4 oz.  I wonder if that would be useful??
>
>I suppose anything that's battery-operated has a risk...
>
>
>rafe b.
>aka terrapin
>
>
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