[Elecraft] K2 Noise blanker- is it working?

[wb2srf at juno.com]

The best way I have used to test the effectiveness of noise blanker is
try to use the radio in a house with a common incandescent lamp dimmer
nearby the antenna connection. Use a wire antenna placed near the lamp or
wiring of the dimmer circuit if necessary to increase the coupled noise.

The power line frequency zero crossing pulse width modulator (severe
contant buzzing sound) of the lamp dimmer noise will be almost completely
supressed if the noise blanker circuit is working properly

GL 73,
Bob Johansen WB2SRF
K2 S/N 5622