On Sat, 2007-01-27 at 21:14 -0500, Toby Pennington wrote:
> It's too bad that modern transceivers don't incorporate some of the features
> such as the MFJ 1026 exhibits. By using a noise canceller ahead of the
> antenna input you can null the offending noise before it gets into the
> receiver.
>
> Of course then you would have to install some kind of noise antenna by which
> you could phase or null the noise out.
>
> I believe that in the next ten years noise will be one of the major problems
> for ham radio operators. There are more and more part 15 devices coming out
> on the market now, and it just keeps getting worse as time goes by, not to
> mention power line problems.
>
> I suggest that some of the manufacturers look in to this and see what can be
> with adding noise cancellers like the MFJ1026 unit. There may be others,
> but I am just familiar with this particular one.
>
> It would be great to see Ten Tec incorporate such a device in their rigs.
>
> Toby W4CAK
That's exactly how the Collins noise blankers worked for the KWM-2 and
the S-line more than 40 years ago. They used a 40 MHz antenna for the
noise receiver thinking mostly automotive ignition noise and close by
power line noise. Wouldn't work well on 75 meters with a line noise
source a mile away.
73, Jerry, K0CQ
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