[Elecraft] Split

[Val]

Hi Mike,

I think that actually this is a great feature. The fancy operation 
brings a healthy laugh to the DXers and drives the QRMers crazy as 
there is no single TX frequency :).

73, Val LZ1VB


> Hi,
>
> Occasionally DXpeds lose their split setting which causes chaos when 
> running a pile. The usual comment is it's a K3 thing.  The question 
> is why is it?
>
> I use Logger32 and when I click on a spot whilst in split mode, the 
> K3 QSYs and split is cancelled.
>
> At first I thought it was because that Config: SPLT SV was NO so I 
> changed it to YES but this didn't make any difference.  Certainly I 
> could change band and return and split was indeed saved.
>
> Next I put the K3 in split and then entered a frequency in the same 
> band in the L32 log entry window, the K3 QSYed and split cancelled.
>
> Next restored split and entered a frequency from the K3 keypad, 
> split stayed on.
>
> OK, looked at what was happening on the com port serving the K3. 
> When L32 sends the frequency to the K3 it prefixes it with FR0 which 
> according to the programmers reference cancels split mode.  So the 
> response of the K3 was to be expected.  A typical example is:
>
> Set Radio Freq/Mode: FR0;00018160000;MD2;FA0018160000;
>
> No idea what other software does in these circumstances.  However, 
> if popular DXped software, N1MM or the like does something similar 
> it will be easy for a DXped operator to unknowingly and unnoticed 
> cancel split and go walkabout whilst tuning the pileup.
>
> Clearly FR0 is a useful command, I use it in an RTTY macro to cancel 
> split.  I guess that the L32 development team assume that if you 
> enter a QSY you intend to come out of split so include the FR0, 
> reasonable I guess for a home operation.  Users of alternative 
> applications might wish to conduct the same tests.
>
> The simple answer is better cockpit drill by the DXped operator. 
> But even having set up the correct band/mode/filter/antenna etc it 
> is still easy to accidentally cancel split under pressure, it's a K3 
> thing, is it?
>
> Have I missed something?
>
> Your thoughts please gentlemen,
>
> Mike VP8NO
>
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