Update
I operated late last evening and the QSK thump stayed consistant all evening
long. This morning, I turned the rig on and over a two hour period and two
QSO's I did not experience any thump at all. I was using the same antenna
as last evening and same external battery pack with a voltage of 10 volts.
Maybe it healed itself! :)
73
Jeff
KB9ZUR
>From: "Jeff Imel" <
[hidden email]>
>To: <
[hidden email]>
>Subject: [Elecraft] QSK Thump on KX-1
>Date: Sun, 13 Jun 2004 15:14:07 -0500
>
>My KX-1 is serial number 32. It was built this week and it is a lovely
>rig. I do have a problem with QSK thump. I am wondering if any of you
>have experienced this and I am interested in learning what you did to
>correct it.
>
>It thumps when it goes from transmit to receive and the receive audio
>slowly comes back up to normal after about a half of second. It does not
>do it all the time, only after I have been sending for about a minute.
>Once it starts thumping, it will continue to thump until I cycle power.
>Sometimes that removes the thump, sometimes it doesn't. I have tried using
>three different antennas with and without an external tuner and nothing
>removes the QSK thump. I experience QSK thump on all bands.
>
>Any ideas?
>
>Thanks and 73
>
>Jeff
>KB9ZUR
>
>
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