Buck,
I agree *if* one is interested in the SWR at the antenna side, but most
are only concerned about the SWR that the transceiver or amplifier sees,
and that is at the input to the tuner. Both the KPA500 and the KAT500
indicate the SWR between the PA and the tuner.
Without the KPA500 and the KAT500, the K3/100 also indicates the SWR
between the PA and the tuner (unless the tuner is in Bypass)/
A low SWR indication at those points indicate that the tuner has done
its job, and the PA transistors are "happy" with a load that is within
their design parameters.
So the answer is that it all depends on what the operator wants to see.
73,
Don W3FPR
On 9/2/2013 6:54 PM, Buck k4ia wrote:
I use both the W2 and the KAT500. The W2 is closest to the antenna
and tells me what the SWR really is. The KAT500 tells me what the
transmitter is seeing. You really need both.
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