I have a strange swr issue I'm trying to resolve.
I have two K3's for an SO2R setup, lets call them K3-A and K3-B. On 40
meters the swr that the K3 displays on K3-A indicates what is to be
expected 1.5:1 at 7.001 and 2.0:1 at 7.105, however on K3-B the K3
displays 1.0:1 at 7.001 and 2.7:1 at 7.105.
I'm using the same exact coax to connect to both rigs and I'm going
directly to ant port 1 on both rigs. Neither rig has the ATU in line
(K3-B doesn't even have an internal ATU). The antenna is a 2 element
40m yagi.
I've used an external Daiwa swr/power meter which agrees with rig K3-A's
swr when connected to either radio.
So it appears that the displayed swr on rig K3-B is giving an incorrect
reading.
Any ideas? Is it time to calibrate the wattmeter?
Thanks
Rich - N5ZC
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