[Amps] Centurion cooling improvement ideas for AM service

[R.Measures]

Thank you, Marv.

On Aug 26, 2004, at 10:03 AM, Radio WC6W wrote:

>
> On Thu, 26 Aug 2004 08:26:34 -0700 R.Measures <r at somis.org> writes:
>>
>
> Hi Rich,
>
> <snip>
>
>>> IR doesn't radiate "through" standard glass.
>>
>>   IR from sunlight undoubtedly gets through double-pane metal-film
>> coated thermal windows.  Through standard glass, even more IR gets
>> through.
>
>   The flavor of IR we're discussing is that measured by the optical
> thermometers.
>
>   Those typically have a Germanium window on the sensor which cuts off 
> on
> the shortwave end around 2 microns.  Glass cuts off in the same region
> (2-4 microns) on the long end.   So, the IR thermometers can not "see"
> through glass.
>
> 73 & Good morning,
>    Marv WC6W
>
>
>
>
> *
>
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Richard L. Measures, AG6K, 805.386.3734.  www.somis.org