[Elecraft] Basement QRN

Thom LaCosta lacosta at bcpl.net
Sun Mar 9 16:17:34 EST 2008


On Sun, 9 Mar 2008, Jerry Flanders wrote:

> Did the problem go away when you replaced it with another of that type - i.e, 
> was it a defective bulb? Or do all bulbs of this type give you this problem? 
> I have several of them here and haven't noticed any problem, but I might have 
> missed something.

I have one that's right over the rig...and as far as I can tell, it isn't making 
noise....I unscrewed it and there was no difference in the QRN.

What I did notice is that the light from the defective bulb was rapidly 
pulsating...but you had to look very closely to notice it.

So.....one night I will turn off all the lights in the house and see if the 
background noise gets less.

73 k3hrn
Thom,EIEIO
Email, Internet, Electronic Information Officer

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