[Elecraft] New K3 owner, couple of questions (APF vs. DUAL PB, NR under the water sound, KPA3 temp)

[Jack]

Not using the dual pass-band mode, due to the degradation Rich notes, is 
the consensus of some of the best RTTY contest operators of our 
acquaintance.

Jack, W6NF/VE4SNA
Shelley, K7MKL

On 3/10/2014 1:21 PM, Richard Ferch wrote:
>
>
> In RTTY (FSK D or AFSK A), the Dual PB button gives you a dual peak 
> filter peaked on the two tones of the RTTY signal. In theory, this 
> actually degrades the performance of a well-designed demodulator, so 
> you might be better off not using it routinely, but in the situation 
> where there are two overlapping RTTY signals with the mark or space of 
> the interfering signal in between the mark and space of the one you 
> are trying to work, it may help reduce the interference.
>
>
> 73,
> Rich VE3KI
>

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