[Elecraft] Utility of 1.8-KHz vs 2.1-KHz Filter for SSB?

Iain MacDonnell - N6ML ar at dseven.org
Sun Jan 11 14:41:22 EST 2009



Barry N1EU wrote:
> 
> 
> Jeff Maass wrote:
>> For those using the 1.8-KHz roofing filter for SSB in crowded band
>> conditions, how usable
>> is it? Does it require much "fine tuning" of controls when switching from
>> a 2.8-KHz
>> filter, or can it be as simple as just selecting the filter?
>>
>> I've used similar filters for the FT-1000MP, and had no problem making
>> signals
>> intelligible when switching between wide and narrow SSB filters. 
> 
> Jeff, the 1.8Khz roofing filter is very usable (preferred) in contest condx,
> but you will have to adjust the shift downwards for maximum intelligibility
> as you narrow the bandwidth.
> 
> In ssb contests, I usually just set width narrow, adjust shift and leave the
> K3 there for the entire contest.

Yeah, that's what I do too. It'd be nice if the "NORM" setting in SSB
mode could handle that - or maybe if it could be customisable...

     ~Iain



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