> The K3 "line out" jack is MONO.
That is *INCORRECT*. The Line Out jack is stereo with Main RX on
the tip (left) and Sub RX on the ring (right). You need software
designed for diversity reception - each audio stream should be
decoded separately and the data combined after decoding.
73,
... Joe, W4TV
On 6/15/2011 10:39 PM, Bill Conkling wrote:
> The K3 "line out" jack is MONO. Nothing beyond the K3 is gonna see two
> signals. It might be combined in the K3 audio circuit, I didn't look this
> up.
>
> ...bc nr4c
>
> -----Original Message-----
> From: vk4cmv [mailto:vk4...@gmail.com]
> Sent: Wednesday, June 15, 2011 7:53 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Diversity Mode - DATA-A
>
> I've been playing around with diversity mode on 40m - having just put up a
> vertical off to the side of a horizontal dipole.
>
> I have to say, listening to 40m is a delight with diversity turned on - CW
> and Phone signals just float around in space when you're wearing the
> headphones - very 3D. I haven't been playing with it long enough to tell
> whether its going to assist copy or not - but certainly an interesting
> effect and preferable to how it was before.
>
> Anyway, the real reason for the vertical was to get a bit more RX traction
> on 7.076 JT65a - looks like I need to put out more radials because the
> dipole is still winning by a few db.
>
> So, I'm presuming that in DATA-A mode, each antenna is effectively being
> heard on respective L& R channels on the line-out jack? It looks that way,
> just want to confirm that it's the same as what's coming through the
> headphones.
>
> I've also set up a macro in HRD to send !BEFF to the rig which, according to
> previous posts, combines the audio in diversity mode. Having done that, I
> had this sneaking feeling that I was copying (decoding) better - but it
> could be wishful thinking and needs proper testing, not just playing around.
>
> When I say decoding better - it's not just a matter of dBs, it's a matter of
> the reception holding together for a full 48 seconds in each minute through
> QRM& QRN.
>
> Anyone else out there tried diversity in DATA-A?
>
> rgds, Julian VK4CMV
>
> PS: Any news on when VOX is going to be implemented on a per-mode basis, ie.
> DATA-A vs Phone?
>
> --
> View this message in context:
> http://elecraft.365791.n2.nabble.com/Diversity-Mode-DATA-A-tp6481155p6481155
> .html
> Sent from the Elecraft mailing list archive at Nabble.com.
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