Topband: MFJ 259B on 160M

[Rick Karlquist]

If you have just 1 station, MFJ sells a notch filter.
If you have multiple stations, you need a filter.
There is a wide range of filters where basically you pay
more money for more selectivity.  Price is $25 to $200.
You have to try them out for your situation.

HOWEVER, you can only read VSWR through these filters,
not R and X.  And the VSWR reading may not be all that
accurate depending on the filter characteristics.
If you already have a filter and just need a rough
check of VSWR, its probably worth a try.

You really need a different solution.  I have an MFJ
259B which is useful for many things, but not my 160
meter vertical.  (I am 6 miles from a 50 kW station).

Rick N6RK


Glen wrote:
> Hello,
>
> Has anyone made an effective AM broadcast filter (HB) for their analyzer?
>
> I have to feel that my lack of readings on the unipole may stem from AM
> interference.
> I have a station here in town, or close on 1400khz.
>
> 73's
>
> Glen K4KV
>
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