Ahh .. I see. We're not talking comparable bandwidths here. My bad.
73,
Dave AB7E
On 6/1/2018 7:27 PM, David Gilbert wrote:
Can you explain that? I've done intelligibility tests and anything
more than a db or so below the noise level is almost impossible to
copy. Speed of course has an impact, so I'm talking speeds in the
range of 20-25 WPM. It might be different at much slower speeds.
73,
Dave AB7E
On 6/1/2018 4:52 PM, Jim Brown wrote:
On 6/1/2018 4:38 PM, David Gilbert wrote:
And of course CW is faster ... just 20 db or so less effective for
weak signal reception.
I think the number is more like 6-10 dB, depending on the skill of
the operator.
73, Jim K9YC
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