[Elecraft] Diversity Mode - DATA-A

[Bill Conkling]

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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