[Elecraft] Split

[Joe Subich, W4TV]

> 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?

No, it's a programmer thing ... the same thing happens with Yaesu (new)
and Kenwood rigs and DX4Win sends a split off before the frequency
command with those rigs as well.

73,

    ... Joe, W4TV


On 2015-02-14 3:19 PM, Mike Harris wrote:
> 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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