By definition, no. You almost certainly are enjoying an unbalanced
current on your feed line, likely a current on the outside of the coax
shield causing an erroneous reading. You'll need to alleviate that to
avoid the problems you're seeing. A good 1:1 current-type balun is the
key to fixing such problems. Something like either a good choke balun or
a W2DU-sort of balun.
73,
Kim N5OP
On 4/21/2013 3:54 PM, jack wrote:
would an unun help to keep common mode current from flowing?
jack
ak7o
-----Original Message----- From: Jim GM Sent: Sunday, April 21, 2013
10:13 AM To: Discussion of Ten-Tec Equipment Subject: [TenTec] Built
in SWR meter bannans
I have a Tec Tec Auto Coupler that is turned off and a Ten Tec
Hercules II
at full power. The SWR bridges in side the equipment reads well over SWR
over 3:1 on certain bands while my BIRD Watt meter read 2:1.
ALL SWR meters is at 1:1 into a dummy load so that rules out the BIRD is
whacked.
This problem seams to mainly happen on 160M however I have seen it do
this
on different bands with other antennas in the past.
Are the diodes going into saturation? I am going BANNAS with this issue.
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