07-05-2021, 02:00 PM
(07-05-2021, 11:56 AM)VK2VRC Wrote: I just did a new check, just in case..... Noise is still there with NBN NCD powered down and all cables removed ,also router off and all cables removed.
A wander around the neighborhood with a portable radio might narrow down the source.
AM broadcast band may suffice if you don't have a shortwave.