[Elecraft] Using K3 to measure noise levels

[Jim Brown]

On 10/12/2013 4:09 PM, Rich - K1HTV wrote:
> Turn on your K3 and move to an quiet frequency on the band to be used.
> - Turn TECH mode to 'ON"' (Hold 'Menu' button to get to 'CONFIG' menu)

Before beginning this, the AGC must be OFF.  That's  because the 
voltmeter is reading the audio voltage. I know this because I first made 
some completely useless measurements with the AGC on. :)

73, Jim K9YC