[Amps] Centurion cooling improvement ideas for AM service

[Radio WC6W]

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




*

________________________________________________________________
The best thing to hit the Internet in years - Juno SpeedBand!
Surf the Web up to FIVE TIMES FASTER!
Only $14.95/ month - visit www.juno.com to sign up today!