[Elecraft] "new" subcription

[Bob Tellefsen]

George
The fact that you don't hear anything diferent with the KNB2 turned
on doesn't mean it isn't working.  It just means that the kind of
noise it is designed for isn't happening just then.

Some fellows have used an electric drill as a noise source to
test their blankers.  This gives the pulse type noises that the
blanker works best on.

Try that and see if you can tell on from off.
Good luck and 73
Bob N6WG