Topband: Narrow Filtering

[Garry Shapiro]

Not to mention that in S&P mode, one might very well want to crank down 
to very narrow BW to dig out a weak one.

Garry, NI6T

On 2/2/2010 2:37 PM, Rick Karlquist wrote:
> Steve Miller wrote:
>    
>> In a contest (particularly in a contest),  it doesn't make sense to
>> have filters any narrower than 500Hz.   Why should other stations
>> have to work like crazy to get into YOUR notch?  We all have
>> ears.  Is it that difficult to use the human filter that's between them?
>> Steve
>>      
> Here is what is wrong with this oft quoted "wisdom":
>
> When there is a run station every 300 Hz, it becomes difficult
> to distinguish between a station calling me off-frequency
> vs a station calling my "neighbor" on-frequency.  If a station
> seems to be calling me off-frequency, based on his time relative
> to my CQ, I have a strict rule to send "?" and wait to geta second call
> before responding.  Often that second call never comes and I know he's
> working my neighbor, and the timing was coincidence.
>
> During the recent contest, I was trying to work a station in
> Europe that was about 200 Hz below an east coast big gun.
> The big gun come back to me several times before realizing I
> wasn't calling him.  What is even worse is when BOTH stations
> come back to me at once.
>
> Yes, I know the solution to that is to send both his call and my
> call.  But many people calling me only send their only call.
> I can't make them send my call.
>
> The real solution is for everyone to learn how to tune their
> radios to the right frequency.
>
> Rick N6RK
>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
>