[ARC5] ARR-3 Question

[Bart Lee]

WOW! The ARR-3! I have one, but I need / want/ am-desperate-for a manual or
at least a schematic. Can anyone help?

73 de Bart, K6VK ##
-- --
Bart Lee, K6VK, CHRS Archivist and Fellow, AWA Fellow, ARRL Liaison

Texts only to: 415 902 7168

www.bartlee.com

{Bart(dot)Lee(dot)K6VK(at)gmail(dot)com}
<http://www.lawforhams.com/>



On Wed, Feb 10, 2021 at 1:14 PM Tom Lee <tomlee at ee.stanford.edu> wrote:

> Ah, yes, the famous snapping shrimp! Indeed, the physics is amazing!
>
> Tom
>
> Sent from my iThing, so please forgive typos and brevity.
>
> On Feb 10, 2021, at 1:06 PM, Tim <timsamm at gmail.com> wrote:
>
> 
> It's true - Our sonar techs often used their own personal "hi-fi"
> headsets.  Lots of interesting data at the high end (masked by all those GD
> shrimp !!!)  ;o)
> A good sonar tech could hear a "Fish Fart in Fiji"....
>
> Sonoluminescence is some very interesting Physics Bugga Bugga.......
>
> Tim
> N6CC
>
> On Wed, Feb 10, 2021 at 11:47 AM Tom Lee <tomlee at ee.stanford.edu> wrote:
>
>> There is a surprising amount of high-frequency content. I’ve been told
>> that there are micro bubbles that form and pop with great suddenness,
>> generating a rich, high-frequency hash that helps the signal to pop out
>> above all the other noise.
>>
>> —Cheers
>> Tom
>>
>> Sent from my iThing, so please forgive typos and brevity.
>>
>> On Feb 10, 2021, at 11:40 AM, Hubert Miller <Kargo_cult at msn.com> wrote:
>>
>> 
>>
>> Well, how interesting. I would have thought the sonobuoy pickup were all
>> low frequency sounds.
>> I think I recently read, in a book about the Battle of Atlantic, the
>> 'propeller cavitation sounds' were
>>
>> up around 17,000 Hz ?
>>
>> Lacking smarter inputs, I would have guessed it was some kind of
>> contractual moneymaker.
>>
>> -Hue
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