>> Find a DSP guru who is a ham and who has the interest! Everything
>> from beam steering, noise cancellation and direction finding would
>> then be possible.
Contact K1LT ... I believe Vic is doing electronic beam steering with
four softrock receivers, a custom common oscillator and linux based
software. Try www.k1lt.com ...
73,
... Joe, W4TV
On 6/8/2011 11:12 PM, juergen wrote:
>
> Hi Don
>
> Some hams are already playing around with similar techniques. Since the K3's
> 2 receivers are already phase coherent, we just need someone that can write
> the software/firmware.
>
> http://www.pa0sim.nl/Results%20and%20Audio%20Samples.htm
>
> In my experience playing around with these systems, is that its best done
> with a true direct sampling receivers with no AGC. The Wiener Hopf beam
> steerer solution has been found to work well and would be practical for hams
> to implement.
>
> Find a DSP guru who is a ham and who has the interest! Everything from beam
> steering, noise cancellation and direction finding would then be possible.
> Alternatively pick up the phone and call Rohde and Schwarz, they can sell
> you of the shelf hardware that will do the job, bring along your lottery
> ticket winnings!
>
> 73
> John
>
> elecraft@mailman.qth.net
> --- On Wed, 6/8/11, gold...@charter.net<gold...@charter.net> wrote:
>
>> From: gold...@charter.net<gold...@charter.net>
>> Subject: Re: [Elecraft] K3: Why isn't this feature built in?
>> To: "Tim Tucker"<ae...@worldwidedx.com>
>> Cc: "Elecraft Reflector"<elecraft@mailman.qth.net>
>> Date: Wednesday, June 8, 2011, 7:14 PM
>> I dont know about built in feature,
>> but I have an ANC-4 that once and
>> awhile I have to turn on to kill the noise from plasma
>> TV's.
>>
>> Sure do like digital modes where the TV noise is not that
>> bad for me.
>>
>>
>>
>> Don
>> KD8NNU
>>
>>
>> On Wed, Jun 8, 2011 at 4:33 PM, Tim Tucker wrote:
>>
>>> OK, so it's somewhat of a loaded question to get
>> people to read the
>>> post,
>>> but here goes:
>>>
>>> I recently installed the transverter/RX antenna board
>> in my K3. I am
>>> now in
>>> the process of putting up a RX only antenna to use
>> with an MFJ 1026
>>> Noise
>>> Canceller to help get rid of what I believe to be a
>> neighbor's plasma
>>> TV
>>> noise (and other interference). Initial tests
>> with the 1026 using a
>>> make-shift antenna have worked remarkably well and
>> leave the K3's DSP
>>> NR and
>>> NB with much less noise to "clean up".
>>>
>>> So, the question is this: Is it possible to
>> build this MFJ 1026 type
>>> of
>>> functionality built into the K3 in firmware as an
>> included feature
>>> with the
>>> KXV3a? It would be really cool if you could just
>> adjust the phase of
>>> the
>>> unwanted RX signal on the rig and have it remember the
>> setting for
>>> each
>>> band. Then I wouldn't need this other MFJ box
>> sitting here.
>>>
>>> Thoughts?
>>>
>>> Tim
>>> AE6LX
>>> www.worldwidedx.com
>>>
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