Observation of Anomalous Propagation of Radio Waves in the MW Band

Picture 2 Screen Shot from www.radio-locator.com: What Is Heard in Buffalo

First is the CKTB Radio, which is located in Saint Catharines, and has 10 kW power and it is located at 25 km away from me. Second radio stations it is the CFMJ Radio, operating at 640 kHz, antenna located 150 km from Niagara Falls and has 50 kW power. The third station it is the CFTR Radio, operating at 680 kHz with 50 kW and the antenna located 50 km from Niagara Falls.

However, sometimes, when in the morning I turn on my CANDLE receiver to listen to the CKTB Radio, I have noticed the presence of another radio station on the frequency. Sometimes this radio station produced so strong signals that jammed out the CKTB Radio. Through some time I recognize the radio- it was WTVN Radio from Columbus, Ohio. It was very unusual because the radio station has 5 kW power and located in 500 km away from my home.

Picture 3 CKTB 610 kHz Radio

Picture 4 CFMJ 640 kHz Radio

Picture 5 CFTR 680 kHz Radio

I could receive the radio station in my car parked near my house. However, when I drive away from my house just only in 200 meters, the jamming radio station disappeared. It is another mystery of the reception of the WTVN.

On my way to work, I found several anomalous spots where I could again observe the reception of WTVN Radio together with CKTB Radio and at some places the WTVN Radio sometimes completely jammed the CKTB Radio. So, that is, only WTVN Radio is received.

 Picture 6 WTVN 610 kHz Radio

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