It all depends on the other stations expectations. I, too, prefer the 
wider, 500 Hz, filter, as many stations call off frequency (most 
commonly 100-200 Hz up, rarely down. Anyone know why that is?)  I had 
one instance where I found a clear spot near a band edge on 40 or 
80m, about 500 Hz above a 1-land station. He slides up and asks me to 
move a bit. There's no room up, so I go down about 500 Hz from him. 
He didn't like that either. While a band edge is nice, it wasn't 
worth fighting about, so I went elsewhere. 
Barry, W2UP
On 24 Feb 2003 at 0:00, Dale L Martin wrote:
> 
> I always wonder and have never really found out:
> 
> If I find a spot where, with 500Hz filter in line, I don't hear a
> station on the frequency, but I do know there are adjacent frequency
> stations above and below but outside the filter passband, am I clear
> to 'take' the frequency? (after the obligatory QRL? x 2, of course.)
> If I don't hear them in my passband, will they also not hear me in
> their's?
> 
> 73,
> dale, kg5u
> 
> 
> 
> 
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--
Barry Kutner, W2UP              Internet: w2up@mindspring.com
Newtown, PA                     Frankford Radio Club
        
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