[Elecraft] Split while using Diversity

Stan Rife srife at swbell.net
Wed Dec 3 21:24:00 EST 2008


I've been trying to decide whether or not to ask this question, because I didn't want to appear too dumb. What exactly is the advantage of diversity receive? Is it for weak signal work specifically? Can someone give me a quick run down on  this? I've never had a rig that would do this before, so I am not familiar with the concept. 
 
I admit to not keeping up with the K3 feature list and manual. Go ahead and flog me now.
 
Stan
W5EWA


--- On Wed, 12/3/08, K2MK <k2mk at comcast.net> wrote:

From: K2MK <k2mk at comcast.net>
Subject: Re: [Elecraft] Split while using Diversity
To: k1ep.list at gmail.com, "Elecraft Reflector" <elecraft at mailman.qth.net>
Date: Wednesday, December 3, 2008, 5:43 PM

Ed:

That's it. I just tried it. I wasn't holding the SUB button long
enough. 
When it displays DIVRSTY, VFO B tracks VFO A as before. But when you 
activate SPLIT, you can tune VFO B to a different transmit frequency but 
both receivers are still tuned to the original frequency. When you turn off 
SPLIT, the VFO B display returns to the original frequency. Thanks for the 
clarification.

73,
Mike K2MK

--------------------------------------------------
From: "Ed K1EP" <k1ep.list at gmail.com>
Sent: Wednesday, December 03, 2008 6:14 PM
To: "K2MK" <k2mk at comcast.net>; "Elecraft Reflector" 
<elecraft at mailman.qth.net>
Subject: Re: [Elecraft] Split while using Diversity

> At 12/3/2008 06:06 PM, K2MK wrote:
>
>>Here's what I am experiencing with MCU 2.67. When in diversity I
have VFO 
>>B tracking VFO A and I am using a separate receive antenna for VFO B.
To 
>>activate SPLIT, the only way to actually change my transmit frequency
is 
>>to turn the VFO B dial thus loosing my diversity.
>>
>>Using the A/B button allows me to listen to the original frequency on 
>>either receiver but not both. And transmission will occur on VFO B 
>>requiring me to swap back before transmitting again. That's a
problem.
>>
>>The only way I see this working is to use XIT instead of split. I'm
just 
>>not a fan of XIT. So am I missing something?
>>
>>73,
>>Mike K2MK
>
> That's basically how I operated this past weekend.  But I think I
realized 
> that I was missing something.  Those in the know can correct me.  It has 
> to do with the blinking second decimal point, which confused me.  At 
> times, I saw A blink, B blink, and A and B blink.  I believe that there 
> are two methods to achieve diversity.  First is the way that Mike 
> described and that I generally did over the weekend.  You enable the SUB 
> by pressing SUB.  You press RX ANT to get AUX.  Then you tap A>B twice
to 
> get both the receivers to be the same frequency and filter settings.  Then

> you press and hold SUB for a second to link.  In this case, I believe the 
> second decimal in VFO B will blink, indicating LINK.  However, there is 
> another method for achieving diversity.  If you press and hold SUB for two

> seconds, first you will see LINK and then DIVRSTY.  I believe in this 
> case, the second decimal in VFO A will blink and the settings indicated on

> VFO A will control both receivers and set the sub antenna to AUX.  This 
> allows you to use VFO B for SPLIT or a temp register.  Is this 
> interpretation correct???
> 
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