Kjeld,
Are you driving the audio up to 4 bars on the ALC meter with the 5th bar
flashing? This is the "zero ALC" point for the K3, KX3 and KX2
transceivers.
Without sufficient audio The K3 will "power hunt", and that may be what
is happening.
Refer to the article on my website www.w3fpr.com. Scroll the left
column down to the lat article and click on that link.
73,
Don W3FPR
On 2/25/2018 5:28 AM, Kjeld Holm wrote:
Dear Elecrafters,
For a year or so I have had an internal K144XV transverter for 144 MHz in my
K3. I have not been using it very much - just a few FM QSOs. I have not seen
any problems.
Now I have just started using K144XV on digital modes - especially FT8 (42%
TX and 58% RX).
I started out selecting 10W output. After 4 minutes the output suddenly felt
to a few mill watt.
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