[Elecraft] K3 Antenna 1/2 Operation

[Robert Tellefsen]

Craig
On the antenna port where you would like
the ATU to be in BYPASS mode, instead load
that port into a 50 ohm load and run the ATU.
The other port can then match whatever antenna
you throw at it, but when you switch back to
the "bypass" port, you won't have to remember to
fuss with the ATU.
Good luck and 73
Bob N6WG

----- Original Message ----- 
From: "Craig D. Smith" <craig at powersmith.net>
To: <Elecraft at mailman.qth.net>
Sent: Tuesday, May 13, 2008 6:22 AM
Subject: [Elecraft] K3 Antenna 1/2 Operation


This is a question and perhaps a request about the operation of the
antenna
1/2 selection in conjunction with the KAT3 internal K3 antenna tuner.

In my normal contest setup here I use two antennas on the same band.
One is
resonant so I don't need the ATU.  The other is a multi-band doublet
that I
use the KAT3 to tune.  The beauty of this is that I can quickly switch
from
one to the other with the K3 front panel ANT switch to select the one
with
the stronger signal.  The problem is that the state of the ATU (bypass
or
engaged) has to be reset each time I switch antennas.  This is an
extra step
and one that can easily be forgotten in a contest situation.  Am I
overlooking something here?  That is, is there a way to set up the K3
so
that it remembers if the ATU is engaged or bypassed on a given
antenna?
This would be a MUCH preferred mode of operation.  It has been awhile
since
I've had my K2, but my recollection (which may be wrong) is that the
K2 did
provide exactly this desired operation.

Question:  Can I set up the K3 to do this?

If not, Request:  Can this be provided in a future firmware update?


        Thanks and 73
                                ... Craig   AC0DS




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