Aggressive settings of the noise blanker can cause signal artifacts. Make sure the NB is off for any wide band tests.
73, Wayne N6KR > On Jan 26, 2022, at 11:20 AM, Victor Abell <[email protected]> wrote: > > While I have a K4HD module on order for my K4D (0406) I am also > interested in Wayne's comment about strong signal performance. > > On the CW bands, particularly 17 meters where I often operate, > many times I have observed strong CW signals whose keying causes > key clicks to appear some KHz away from their frequency. For example, > the other night a strong signal from W1AW code practice at 18.0975 > could be copied by its key clicks at 18.079. > > I have heard this behavior on other bands -- e.g., 40 and 20 meters -- > and have reported it to [email protected], along with videos. > So far I haven't heard any explanation for these key clicks. It could > be that I have a flawed K4D or am using some settings that cause it. > (I wasn't using either pre-amp when I heard W1AW's clicks.) > > Vic, W9RGB > >> Date: Tue, 25 Jan 2022 11:32:19 -0800 >> From: Wayne Burdick <[email protected]> >> To: gordon young <[email protected]> >> Cc : [email protected] >> Subject: Re: [Elecraft] K4HD Executive Summary Request >> Message-ID: <[email protected]> >> Content-Type: text/plain; charset=utf-8 >> >> Hi Gord, >> >> The ongoing worldwide supply chain debacle has impacted K4HD module >> development. We?ve already redesigned PC boards twice to work >> around chip shortages. >> >> We?ll keep everyone updated. >> >> Meanwhile, we?re hearing from those who took delivery of a K4D instead that >> performance in strong-signal conditions is excellent. >> >> 73, >> Wayne > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
