[BC] For the TV guys for Cowboy

[ronald johnson]

The following is correct, see ARRL Handbook and other International
references: 
QRN= Background Natural noise (lightning, cosmic, etc.)
QRM= Manmade (Intentional interference, adjacent channel
interference/splatter)

Craig Bowman sent:
Do you mean Police radar or radar detectors?
Henry Ruhwiedel wrote:
 I traced QRM  (natural interference) and QRN (man made interference) to
police radar detectors.

Ronald Johnson continues:
Restating:
QRM ("M" for "manmade") and QRN ("N" for "nature")

An ARO since 1959