[Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

[Bob McGraw K4TAX]

In an earlier post it was asked:

"> I would also like to see a technical description beyond the
> hand-waving in the manual of how noise  blanking is performed.  For
> example, I fail to see any dedicated  delay in the signal path to
> create timing coincidence between the  noise pulse and the blanking
> gate.  Perhaps it's inherent in the  design, but I would like to see
> some words that say so.
>
> If it's going to be necessary for me to  set a blanking threshold
> (something I think could be automatic)  then why can't the radio
> generate a blanking pulse that persists  as long as that threshold is
> exceeded.  Why do I also have to adjust  that?  If the pulse is so long
> that intelligibility suffers then that  noise isn't amenable to being
> blanked and blanking needs to be  disabled."


Thus the various discussions and references have appeared.

73
Bob, K4TAX

On 2/4/2016 6:21 PM, Tim Tucker wrote:
> What, exactly, does the discussion of the Collins NB filter have to do with
> the experimental NB thing Wayne is working on?  Can we stick to the topic
> at hand?
>
> On Thu, Feb 4, 2016 at 3:46 PM, Bob McGraw K4TAX <rmcgraw at blomand.net>
> wrote:
>
>> The purpose of a Noise Blanker is to act only on repetitive pulse type
>> noise.  They do little to nothing for random type noise issues.
>>
>> 73
>> Bob, K4TAX
>>
>> On 2/4/2016 5:29 PM, W5RDW wrote:
>>
>>> I think the Collins NB was most effective on pulse type (ignition) noise
>>> encountered in mobile applications.
>>>
>>> http://collinsradio.org/archives/manuals/136B-2_5th-ed-11-66_.pdf
>>>
>>>
>>>
>>>
>>>
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>
>