[RFI] mysterious voices, music come from house's walls
Jim Brown
jim at audiosystemsgroup.com
Mon Feb 24 14:17:36 EST 2020
On 2/24/2020 7:28 AM, Mike & Becca Krzystyniak wrote:
> Back then we always heard the programming on the phone lines it worsened when it rained.
The carbon mics used in older phones were great RF detectors.
When I lived and worked in Chicago, I knew most of the engineers for the
local stations. The Chief Engineer of WCFL told me it was a particularly
tricky one to keep within FCC parameters, because it was a directional
array composed of towers of different height and construction.
73, Jim K9YC
More information about the RFI
mailing list