[Elecraft] [P3] P3TXMon Wattage/SWR

[Don Wilhelm]

Bret,

The most common cause of a high SWR is 1) you do not have the right 
antenna selected or 2) you have a bad (or loose) coax jumper or a coax 
fault in the coax to your antenna.

What happens if you do not connect the TX Monitor coupler in the coax chain?

There is a remote possibility that you have a bad TX Monitor coupler, 
but that would be rare.

Have you "trained" the tuner to the antenna before inserting the TX 
Monitor coupler?

Note: the KAT100 is only for use with the K2 and it is an external 
enclosure.  If you are attempting to use the KAT100 with the K3S, it 
will not work, you must use the internal KAT3 tuner.

With the remote tuner at the base of the antenna, you should be setting 
the internal tuner to bypass.

73,
Don W3FPR

On 8/24/2017 6:07 AM, MaverickNH wrote:
> K3S100/KAT100 rig with P3, P3SVGA and P3TXMON Directional Coupler 200W.
> 
> When TX at 100W, on 80m for example, the PEP on the P3 shows 2.4W PEP on the
> 120W scale and SWR is full scale at 99.0.
> 
> I have put a Bird43 at my antenna base and verified 64W just before the
> SG-235 remote ATU on my 43ft Vertical (it's far away on RG213). SWR on
> KAT100 Bypass is 1.2 by remote ATU and down to 1.0 with KAT100 enabled.
> 
> Must be I have things set up wrong on the TXMON?
> 
> Bret/N4SRN
> 
> 
> 
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