I have a huge improvement in the Weaver demod. I did not use it before. The
auto tune memories improvement is also a great upgrade.
Thank you Wayne and Elecraft team for continuing to make the KX3 the most
remarkable QRP radio ever.
Leroy AB7CE
-----Original Message-----
From: Wayne Burdick
Sent: Sunday, August 18, 2013 6:05 PM
To: Elecraft Reflector
Subject: Re: [Elecraft] KX3 firmware update (12-kHz audio spur fixed, etc.)
I just confirmed that the opposite-sideband image is way down. I believe
John was hearing the effect of the notch at 1500 Hz, which is a
characteristic of Weaver demodulation. When you inject a carrier and sweep
through the SSB passband, the existence of the notch can make it appear that
you're hearing both desired and image signals -- but what you're really
hearing is just the tone at different pitches on either side of the notch.
73,
Wayne
N6KR
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Wayne Burdick
Sent: Sunday, August 18, 2013 6:19 PM
To: John_N1JM
Cc: [email protected]
Subject: Re: [Elecraft] KX3 firmware update (12-kHz audio spur fixed,
etc.)
Interesting. Well, I and a number of other testers have noted better
fidelity, and the op who had measured the in-band OSB image at 20 dB
reported that it had dropped significantly.
I've been listening to music in the AM broadcast band in SSB mode with FL2
engaged, and it sounds quite clean.
73,
Wayne
N6KR
On Aug 18, 2013, at 4:03 PM, John_N1JM <[email protected]> wrote:
No improvement here that I can detect in the weaver demod fix.
73,John N1JM
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