[Elecraft] Diversity Mode - DATA-A

[Don Wilhelm]

  Bill,

Look more closely - the LINE IN is mono, but LINE OUT has both channels 
active.  If you do not have the SubRX installed, you will only see 
output on the left channel (from the main RX), but if the sub-RX is 
installed, the right channel is also active with audio from the SubRX.

73,
Don W3FPR

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:vk4cmv at gmail.com]
> Sent: Wednesday, June 15, 2011 7:53 PM
> To: elecraft at 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?
>
> --
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