Re: [PSUBS-MAILIST] Desert Star Sport

[Jon Wallace <jonw@psubs.org>]

If Kyle's pinger is the same HBH designs that I used in Spring testing 
of 2008, there's no comparison.  Andy Goldstein brought a "Scout" unit 
(scaled back sport version) with him to the Maine convention and it 
easily outperformed the HBH acoustic pinger that I brought.  The Desert 
Star unit is ultrasonic which cut through the salt water without issue, 
and more importantly it was directional.  The HBH/pinger still has a use 
I think as a last ditch method of drawing attention to oneself 
underwater, and especially since they can be made for about $15.  
However, with our Desert Star discount the cost of the ultrasonic units 
is somewhere around $120 for the scout, which is quite affordable.  The 
only drawback I saw with the Desert Star unit was that it did not use 
the ABS approved frequency for pingers, 32khz if I remember correctly, 
and was centered upward in the 40-50khz range.  For tracking purposes by 
a surface boat however, that wouldn't matter.

Jon


David Bartsch wrote:
> I am curious as to how the locator pinger on Kyle's #7 measures up 
> against the desert star sport for tracking purposes.




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