[TenTec] Century 21 Analog Question...

[Dr. Gerald N. Johnson]

Many ARRL handbooks in the past 20 or more years have included a high 
pass filter designed to reject all the AM broadcast band. I built one 
and it works well.

73, Jerry, K0CQ

On 10/7/2010 12:08 PM, Jim Younce wrote:
> You are experiencing overload to the detector in the Century 21 from a
> nearby BC station.  I suggest you listen to the station ID and then look up
> the frequency on the internet and then install a series inductor and
> variable capacitor resonate at the offending stations frequency from the
> center conductor of the coax to ground and tune the capacitor until the
> unwanted signal is attenuated.  You can connect this device by using a
> T-connector the one port to the radio, one port to the antenna and the
> remaining port connected to the series LC circuit between center conductor
> and ground.
>
> Jim K4ZM
>