Most likely you have kitchen outlets on the phase that local radio station is on while the other outlets are on separate phase. I have outlets divided half-half between two phases in my house.
AM Station coming in through my outlet
Hi, I am glad to be back to this site. Back to my question, I bought a Audio Sniffer v2.0 to hear the quality of my AC. So far in my room where I have my system the ac seems to be clean. As I use the sniffer throughout the house, I notice the difference in ac noise but worse is in the kitchen. When I plug audio sniffer in one of the outlet, I get strong, almost clean, AM station coming through and it pretty loud too. Does anybody have this problem at this magnitude? Thanks