I generally use 440 Hz for sidetone/pitch, thinking that it is a
familiar standard musical note and perhaps is more recognizable to the
brain in some way. I don't know if that has any validity or not...
One thing I would dearly like to have is the ability to listen to the
actual signal as I am changing PITCH. Unfortunately, as it is now, when
PITCH is turned on the received signals are covered by the steady tone.
That makes it not very easy to find the optimum pitch for a signal under
current conditions.
73,
Drew
AF2Z
On 09/20/18 23:07, Wayne Burdick wrote:
Tonight I heard a very weak CW CQ on 7.007 MHz right around sundown -- LA1MFA
(Norway). With the filtering on the K3S dialed down to 100 Hz, 30 Hz audio
peaking filter (APF) turned on, and the noise blanker optimized, he was
readable. I called and he came right back to me.
I would normally have tried this at 10 watts first, but something about the
tenuous nature of conditions these days had me cranking the power up to 100 W
from the get-go.
Despite requiring "full" power to make this contact, it was a reminder that DX
is out there if you tune slowly....
On a related topic, I discovered that as a guy of a certain age, 400 Hz may be
a better pitch for copying weak signals than my usual 550 Hz. This could be a
well-understood psychoacoustic phenomenon, but it came as a pleasant surprise.
73,
Wayne
N6KR
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