Good Evening,
Conditions were OK to some areas. QSB was not as deep as I had
expected with some flutter. Neither twenty or forty meters had much
noise. I did not hear any storms either. However, there were fine
weather reports from most places. Only Dale had high heat along with
This will happen if K4 ACC Pin 8 (PWR ON) is being held to ground by
incorrect cabling to external devices.
Disconnect any cable from K4 ACC and the rig should power on and off and
reboot itself properly.
With proper cabling, no such disconnect is required to update the K4
firmware.
73,
Bob,
I don't know the KPA1500 but KAT500 power is limited as a function of the
Bypass SWR for the active antenna and tuned frequency. The higher the bypass
SWR the lower the allowed power with tuner active.
Andy, k3wyc
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I have noticed on the bottom of the display an indication of the ATU power
limit which is different for every band. How is this value calculated?
Howard
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Ray …Are you posting your Request on the K4 Page ?
Ray WA6VAB K3
From: Ray Spreadbury via Elecraft
Sent: Sunday, August 29, 2021 1:09 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] New K4 beta software available release 22
Well I downloaded this new release and installed it as
Well I downloaded this new release and installed it as instructed on the
Elecraft Website. It reported SUCCESS after each module and then the K4D went
into a lock up with all 4 LED’s lit. After waiting 10 mins with no change, I
restarted the K4D with the same result – blank screen with all 4
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