[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: How to deal with difficult reception in downtown Boston.
Rob Landry wrote:
> This can be done by cutting a 1/4-wave long
> piece of coax for each station you want to filter out and attaching it
> to the antenna terminals of your radio in parallel with the actual
> antenna. The far end of the coax pieces must be open (i.e. not
> and they must be cut precisely (the best way is to use a receiver with
> a signal strength meter and trim for a minimum while tuned to an
> offending signal). I've been able to achieve about 40 dB of
> using this method.
I understand you can use 300-ohm twin lead, too. I believe I read
that you cut the twin-lead overly long, wrap a small band of aluminum
it and slide to adjust. When the best attenuation is found, cut the
twin-lead at the foil.
Anybody confirm this?