|
sippinhenn, there is probably not a dead spot in your attic for that one specific station given the fact that you receive others in the same direction and range. Even of your attic is contributing to multipath or attenuation, it's hard to believe that environment would single out your NBC broadcaster. 48 is the highest channel you receive. It may be that your antenna is not optimized for reception at that frequency or that you have some interference at that frequency. If the source of the interference is inside your home, moving the antenna might help. If it is a cell phone tower down the road, moving the antenna could make things worse. Maybe get a 4g/lte filter and see if that helps.
Common sources of interference include:
· Adjacent channel interference (a very strong station one channel up or down).
· Co-channel interference (two weak stations on the same channel).
· Multi-path interference (usually caused by the direct path being blocked).
· A very close transmitter (a neighborhood FM station, police station, taxi company, etc.).
· An industrial noise source (a factory, a clinic, a malfunctioning power transformer).
· Household appliances, including motors, light dimmers, and fluorescent lights.
|