Rick,
You do not need ACC data. All you need is to eavesdrop on CAT line so that
KAT500 always knows the operating frequency and thus the segment of the
band.
73, Igor UA9CDC
----- Original Message -----
From: "Rick Bates" <[email protected]>
To: "'Igor Sokolov'" <[email protected]>; "'Bob'" <[email protected]>;
"'Elecraft Reflector'" <[email protected]>
Sent: Friday, May 31, 2013 2:10 AM
Subject: RE: [Elecraft] KPA500 & KAT500 in WPX
The workaround is easy. Every time you change bands or significantly
change
frequency (more so 15M and below for most antennas), either send a dit or
a
quick TUNe burst for a moment so the KAT500 can adjust (quickly if from
memory). Since it cuts the amp out during the tuning process, everything
is
safe. Worst case, a moment of mismatch on the amp.
Now having said that, being able to read the band PORTION from the K3
would
be much nicer so you'd have 5 seconds faster QSY & attack time or one less
thing to pay attention to.
All in all its working great, it just another habit that must be
developed;
it's not quite perfect (what is?).
Any future upgrade to determine band portion depends on what data is
available via the ACC (DB-15) cabling. If it's not there, its not there.
If that is the case, I can't point the finger at the design team, it's
hard
to forecast the needs a few years down the road.
73,
Rick wa6nhc
-----Original Message-----
From: Igor Sokolov
It is a pity that Elecraft did not adopt the same approach in case of
KAT500
which I also have. Lack of this feature makes it impossible for me to use
KAT500 in combination with HLA300 amp and KX3 as an exciter. I would
definitely implement any hardware mod in KAT500 that would make KAT500
change setting based on the VFO data from the exciter if Elecraft ever
will
design such a modification.
73, Igor UA9CDC
Hopefully someday the
K3 frequency could be shared with the KAT prior to transmit so that the
relays can be propositioned.
73, Bob, WB4SON
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