[Elecraft] Conditions, shmonditions: DXing anyway
David Cutter
d.cutter at ntlworld.com
Fri Sep 21 03:22:10 EDT 2018
On a related tack, I am often surprised at how high the radio volume has
become in the club shack. On turning it down, it is quite a relief on the
ears and yet perception of the signal we are listening to improves. It is
also significant that a separate loudspeaker on a shelf being more in line
with our ears provides significant improvement in our ability to "hear" the
station. Louder is not better.
David G3UNA
-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Wayne Burdick
Sent: 21 September 2018 04:07
To: Elecraft Reflector
Subject: [Elecraft] Conditions, shmonditions: DXing anyway
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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