[Elecraft] K3 VHf use

Brett Howard brett at livecomputers.com
Wed Sep 23 02:34:34 EDT 2009


You guys know that there is also a feature that will automatically
correct for this offset when changing modes.  It automatically uses your
pitch frequency as the offset.  It was released several versions ago.
Read through the release notes and you'll find it in there.

~Brett

On Tue, 2009-09-22 at 19:55 -0700, Jessie Oberreuter wrote:
> As a frequent VHF contester, I know what you mean!  Fortunately, 
> there is a setting on the K3 that lets you simply send CW while in SSB 
> mode, and it takes care of all of the offsets for you!  Alas, I don't 
> recall what it is, but it was added to the firmware several months ago. 
> Try it!  You'll like it!
> 
> 
> 
> 
> On Tue, 22 Sep 2009, Maarten wrote:
> 
> > Yes I figured that one out. Going from SSB to CWrev I still have to retune
> > (+600Hz) to copy CW as the CW signal is at zero beat. Going from CW to SSB I
> > have to tune 600Hz down.
> > If you work VHF/UHF you understand what a convenience it is when you change
> > from SSB to CW mode, that the zero beat frequency shifts by whatever your
> > selected CW pitch is so you do not have to retune again.
> >
> > Maarten N1DZ
> >
> > -----Original Message-----
> > From: Radio Amateur N5GE [mailto:n5ge at n5ge.com]
> > Sent: Tuesday, September 22, 2009 7:46 PM
> > To: Maarten
> > Cc: elecraft at mailman.qth.net
> > Subject: Re: [Elecraft] K3 VHf use
> >
> > On Tue, 22 Sep 2009 19:01:27 -0400, "Maarten" <n1dz at cox.net> wrote:
> >
> >> Since one week I am a K3 owner with the KXV3A option. When hooking up the
> >> XV50,144,222,432 transverters I noticed that the only option with the K3
> > and
> >> the KXV3A is separate transmit and receive IF ports. Is there a setting in
> >> the K3 to share a single IF port for TX and RX? It would save me some
> >> cables.
> >>
> >>
> >>
> >> Also is there a setting in the K3 that when one switches from SSB to CW the
> >> frequency is automatically adjusted for the CW offset. This is really handy
> >> for VHF/UHF work as there is often a mix of SSB and CW signals during band
> >> openings. One often switches from SSB to CW for a weak CW DX signal. It is
> >> very frustrating having to retune the weak station when switching modes.
> > The
> >> Icom 756 and Flexradio PowerSDR have this option. The K3 with the excellent
> >> XV transverters should have this option available too.
> >>
> >>
> >>
> >> 73 Maarten N1DZ
> >>
> >> ______________________________________________________________
> > [snip]
> >
> > When using the K3 to switch between USB and CW you must set the CW
> > offset to CW REV by holding the ALT button which will switch the CW
> > output to USB.  The normal CW offsets to LSB.  That is why you are
> > having to retune.
> >
> > Tom, N5GE
> >
> > n5ge at n5ge.com
> > K3 #806, K3 #1055, PR6,
> > XV144, XV432, KRC2,
> > W1 and other small kits.
> >
> > 2 W2's on order
> > 1 K144XV on order
> >
> > http://www.n5ge.com
> > http://www.swotrc.net
> >
> >
> >
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