[Elecraft] K3 Sub-receiver use

[hb9ari]

Hi Rich,

Very bad news !

That was my 1st idea when ordering the P3
to use it for "wide" span use for phone mode.
(50Mhz in priority during possible "apertures")
For digi mode, as JT65, the ~2kHz width
of "waterfall" is 100% sufficient, because
frequencies are well defined (for ex 14.076Mhz)
I'm quite sure now that it was a bad idea to have ordered
a P3 but, with your accurate explanation, i will
renounce to the sub-receiver ordering (and
roofing filters)!

I regret that a P3 connection to the sub-rcvr
is not possible, and, as i'm not an RF engineer,
i don't understand the reason(s)!

At my point of vue, it's not 100% correct to say that
the KRX3 is like a 2nd receiver !

Just in time to stop for the KRX3 ordering but for the P3...
may be eBay ?

My best 73,
Rudolf, HB9ARI

Richard Ferch wrote:
> If the P3 gets its signal from the IF out connector on the KXV3 (or 
> KXV3A), then it will not work with the subRX; the IF out connection from 
> the KXV3 is from the main receiver only. I seem to recall reading posts 
> from someone who had done some surgery on his KRX3 in order to create a 
> similar IF output from the KRX3 for use with an external panadapter, so 
> it's not beyond the realm of possibility, but you may not be able to do 
> it with an unmodified K3. I would love to find out that I am wrong on 
> this, by the way! At any rate, this is a point worth pursuing directly 
> with Elecraft before laying out cash for a KRX3 and P3 with the 
> intention of using them together.
>
> 73,
> Rich VE3KI
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