Hi ken,
Added the dummy, no problems, so it is the antenna... Also, given it is
a 6BTV with the 18 meter add on, and all other bands work, it is not the
feedline...
This makes it simple to fix! It is either a break with the laws of
physics as we understand them today-- or a connection has come loose.
Given there are only two connections... I suspect it will be a simple fix.
73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist
ARRL Asst. Director, NW Division, Technical Resources
On 9/13/20 4:24 PM, Ken Winterling wrote:
When you have issues like this the best test is to use a known good
dummy load. That removes the antenna system from the equation. See what
happens on 18mHz when transmitting into the summy load.
Ken
WA2LBI
On Sun, Sep 13, 2020 at 6:58 PM Dick Dievendorff <d...@elecraft.com
<mailto:d...@elecraft.com>> wrote:
When unpowered the KAT500 is bypassed, ANT1.
When the ATU is in mode BYP, yes, it’s bypassed.
73 de Dick, K6KR
> On Sep 13, 2020, at 15:52, Dave Cole <d...@nk7z.net
<mailto:d...@nk7z.net>> wrote:
>
> Hello,
> My KAT500 which worked yesterday, now shows a 3:1 on 18 MHz.,
only. Antenna is a single feedline to a 6BTV, and an analyzer says
all is good at low power. At 100 watts, all seems good.
>
> All other bands seem OK at high power.
>
> Question: When in bypass, is the entire tuner bypassed?
> Question: When turned off is the tuner bypassed? Which antenna
is default?
> --
> 73, and thanks,
> Dave (NK7Z)
> https://www.nk7z.net
> ARRL Volunteer Examiner
> ARRL Technical Specialist
> ARRL Asst. Director, NW Division, Technical Resources
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