[Elecraft] Noise gen

[Ron D'Eau Claire]

Don wrote:
A calibrated noise source is not necessary for aligning the K2 filters - 
most any source of noise will do.  I have even heard that some folks were 
successful with a bit of wire placed close to a lighted flourescent lamp.

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Ordinary background QRN on 80 or 160 meters works FB too. Just avoid any
frequency where a signal falls within the bandpass. If the background QRN is
not loud enough for someone on 80 or 160 (lucky, lucky you having THAT QTH!)
just turn on the Preamp. 

I use a noise source only when I'm in the shop away from an antenna. There's
absolutely NOTHING about a noise generator in this application that makes
the alignment any more "perfect". The noise source is just a convenience. At
times when an antenna is not available it's a convenience well worth having,
but that's all it is. 

Ron AC7AC