[Elecraft] KAT3 Automatic Antenna Tuner

[Robby.VY2SS]

Phil,

 

I googled that device and it looks like I have the wrong switch. Not only
does yours look to be more versatile but costs much less. I will definitely
be studying up on this. Thanks.

 

-Robby

 

From: Phil & Debbie Salas [via Elecraft]
[mailto:ml-node+4791909-1309971026-285092 at n2.nabble.com] 
Sent: Wednesday, March 24, 2010 12:56 PM
To: Robby.VY2SS
Subject: Re: KAT3 Automatic Antenna Tuner

 

"That sounds like a useful suggestion.  At least it did unitil I thought 
about it a while. 

Connecting the input of the amp to port 2 is easy but what do I do with the 
output. Antenna port 1 is already connected to my antenna switchs. What do I

do with the output from the amp? I could maybe connect both ports 1 and 2 to

the amp input and the amp output to  the switch since only one at a time is 
active but what happens when the port in use is sending 100W back into the 
unused port? That scares me a little." 

I use a MFJ-4726 6x6 switch.  My K3 A antenna output connects directly to 
one of the MFJ-4726 inputs.  My K3 B antenna output goes to my ALS-600 
amplifier, my MFJ-998 autotuner, and a separate MFJ-4726 input.  So I use 
the MFJ-4726 to select between barefoot or amplifier inputs, and direct the 
output to one of three antennas or a dummy load. 

Phil - AD5X 

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