[Elecraft] K3: Is Width of Notch-Filter adjustable in some reasonable amount?

[David Ferrington, M0XDF]

Ideal to mask carriers used by some to tune up on the freq that you'r trying to listen to.
73 de David, M0XDF (K3 #174, P3 #108)
-- 
The high minded man must care more for the truth than for what people
think. -Aristotle, philosopher (384-322 BCE)

On 23 Sep 2013, at 14:27, Matt Zilmer wrote:

> I didn't word that quite right....  CW = continuous carrier.  It's
> very good for SW BC carriers, but not intended for broader signals
> like power supply gudge.
> 
> matt
> 
> On Mon, 23 Sep 2013 06:23:20 -0700, you wrote:
> 
>> Hi Bob,
>> 
>> The K3's notch filter is designed to filter out CW signals.  It's
>> about 200 Hz wide, not much more than that.
>> 
>> 73,
>> matt
>> 
>> On Mon, 23 Sep 2013 08:28:13 -0400, you wrote:
>> 
>>> Howdy K3' people:
>>> 
>>> I am looking at some signals I'd like notched out. I am using WSJTx, a
>>> Data-Mode .On 30m there is some constant garbage I was trying to remove.
>>> 
>>> However, it seems to be about 100Hz wider than the apparent notching
>>> being done, as seen on the Waterfall around "2000" of the WSJTx display.
>>> 
>>> So, is there a hidden setting where I can make the Notch bout 400?? It
>>> "seems" to be effective to "300" .
>> 
> 
> Matt Zilmer, W6NIA
> www.elecraft.com
> 831-763-4211  x129
> 
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