[SCCC] Effectiveness of MFJ-1026 Noise Filter??

[Mark Schoonover]

Too quick on the send. I could do an. End-to-end tutorial including extra
rig filtering.

73! Mark KA6WKE

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Author: 4NEC2 The Definitive Guide
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On Tue, Apr 2, 2019, 19:45 Mark Schoonover <mark at ka6wke.net> wrote:

> I have a few videos:
>
> First noise antenna: https://youtu.be/VoyRA8q4mDs
>
> Second: https://youtu.be/E_duL7HJwb4
>
> Shunt Inductors: https://youtu.be/gFE-VglwxUk
>
>
> 73! Mark KA6WKE
>
> Website: https://www.ka6wke.net
> Live Stream: https://www.ka6wke.net/live-stream
> Facebook: https://www.facebook.com/ka6wke-live-stream
> Twitter: https://www.twitter.com/ka6wke
> EMail Announcement: ka6wke-announce+subscribe at groups.io
> Author: 4NEC2 The Definitive Guide
> EMail List:: 4nec2defguide at groups.io
>
> On Tue, Apr 2, 2019, 18:35 Dennis Younker NE6I <NE6I at cox.net> wrote:
>
>> If anyone is willing to do a review of this piece of equipment, I'd be
>> happy
>> to add it to our SCCC web site.
>>
>> --Dennis NE6I
>>
>> -----Original Message-----
>> From: SCCC <sccc-bounces at contesting.com> On Behalf Of Mark Schoonover
>> Sent: Tuesday, April 2, 2019 4:48 PM
>> To: Steve <k0xp at k0xp.com>
>> Cc: SCCC <sccc at contesting.com>
>> Subject: Re: [SCCC] Effectiveness of MFJ-1026 Noise Filter??
>>
>> Steve,
>>
>> Noise antenna is the critical piece to the puzzle. I'm surprised to hear a
>> horizontal antenna works but in my situation that didn't happen. What I
>> ended up having for a noise antenna was winding about 50' of wire
>> hellically on an 8' crappy fishing pole. All man-made noise is vertically
>> polarized.
>>
>> Next up is tuning the thing. What I do is set the noise antenna gain to 0
>> then adjust the main antenna gain so there's about S4-5 noise level.
>> Remember the dial number. Set the Antenna gain to 0. Do the same process
>> with the noise antenna. If you can't reach the same signal strength as the
>> main antenna you need to make your noise antenna larger. Once you have the
>> same S reading on both antennas then it's time for phasing. Start with
>> that
>> knob all the way counter-clockwise then slowly sweep to fully clockwise.
>> The dips can be rather narrow so go slow. If no noticeable dip or the
>> noise
>> level increases push the phase button and slowly turn counter-clockwise.
>> You should find the sweet spot. What I do after that is to rock the main
>> and noise antenna gain to get a deeper null.
>>
>> There's also a button for high and low frequencies give that a try too no
>> matter what frequency you're using.
>>
>> Good luck! It's a process to figure out but once you know how to do this
>> any new noise source can easily be removed.
>>
>> 73! Mark KA6WKE
>>
>> Website: https://www.ka6wke.net
>> Live Stream: https://www.ka6wke.net/live-stream
>> Facebook: https://www.facebook.com/ka6wke-live-stream
>> Twitter: https://www.twitter.com/ka6wke
>> EMail Announcement: ka6wke-announce+subscribe at groups.io
>> Author: 4NEC2 The Definitive Guide
>> EMail List:: 4nec2defguide at groups.io
>>
>> On Tue, Apr 2, 2019, 15:17 Steve <k0xp at k0xp.com> wrote:
>>
>> > Anybody actually have experience with the MFJ-1026 "Noise-Cancelling
>> > Filter", specifically whether it's really effective at cancelling
>> > plasma TV noise (at least, that's what I think my intermittent noise
>> > is; I'm not about to go next door and ask the nayboors to turn their
>> > TV off and on in this HOANazified area just to confirm 8-O )?? Is
>> > there a better-such filter? Needs to go between my FT-991A at 100W
>> > output and an antenna tuner.
>> >
>> > Thanks,
>> > Steve K0XP
>> >
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>