[ARC5] R-23/ARC-5

[Richard Knoppow]

    How are you measuring radiation, or lack of it?

On 2/28/2019 7:54 PM, Michael Hanz wrote:
> I have found no radium-based paint on any of the AN/ARC-5 
> equipment with my AN/PRD-27F instrument.  Some of the engravings, 
> however, are _photoluminescent_, and will glow under a UV light.  
> There are other spots on AN/ARC-5 equipment that have that same 
> paint applied, such as the center dot on the remote control 
> cranks, a "bar" line on the little switches, the radiused arrows 
> on the volume controls, etc.  For some reason, none of the 
> SCR-274 equipment has similar capabilities.
> 
> The only _aircraft_ instruments I have found with 
> radiolumenescent markings have been meters, like the "Tune to 
> Max" meter for the navigation receivers, and panel meters for 
> temperature and the like.
> 
> Marine Corps sets seem to have taken the radiolumenescent 
> approach far more than aircraft...perhaps because they did not 
> have UV lights in their environment that was pervasive in aircraft.
> 
>   - - Mike  KC4TOS


-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL