[Elecraft] K3 Output Isolation

[Bud Semon N7CW]

Tom,

I have my 6M antenna on ANT 2 and whatever HF antenna on ANT 1 all the time.
I have never seen the HF wattmeter even wiggle.  The lowest power scale I
have on the power meter is 100 Watts, though.  I just ran a couple tests,
running 100 W on 6M and connected various antennas to ANT 1, including a
dummy load and an open.  No movement.  Just a data point...

73 Bud N7CW

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Tom Childers, N5GE
Sent: Saturday, July 19, 2008 10:49 AM
To: Elecraft Discussion List
Subject: [Elecraft] K3 Output Isolation

I just installed a new direct feedline on my 6m Yagi and hooking it up to
Antenna 2.  When I tested it I was horrified when I saw infinity SWR on my
W1
power meter.  Then I realized the watt meter was not in the 6m feedline and
the
rig was happily displaying a 1:1 SWR.

Hmm, that means there is output on ANT 1 when ANT 2 is selected.  I switched
the
ANT 1 connection to a dummy load and the W1 was showing .1 watt output from
ANT1
with a 1.2:1 SWR.

Is my Factory rig #806 the only rig with this leakage or is it a known
issue? If
so is there a fix for it?

Tom, N5GE - SWOT 3537 - Grid EM12jq

"Those who would give up 
Essential Liberty to 
purchase a little Temporary 
Safety deserve neither 
Liberty nor Safety" 

An excerpt from a letter 
written in 1755 from the 
Assembly to the Governor 
of Pennsylvania.

Support the entire Constitution, not 
just the parts you like.

http://www.n5ge.com
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