Sorry, but the K3 (or K3S) cannot do full duplex.
The only internal transverter is the K144XV. Elecraft does have the XV series external transverters for 50, 144, 222, and 432 MHz.

73,
Don W3FPR

On 7/28/2017 4:04 PM, W7BRS Jeff Wandling wrote:
Years ago, I used to own a IC-910h.

For some stupid reason I sold it when I got distracted by something else
that was important.  That was about 10 years ago.  Lesson learned.

I have always kept my K3 though.  I have done a bit of DX'ing with it for a
long while.

Now, I want to re-enter the Satellite work again, and I need a full duplex
Transceiver that can also work 2m/440.

Is there an upgrade path from a *SN #2100* era K3 to one that can do

a) Full Duplex (I assume this means getting the K3-SUB) and
b) Tx on 2m for uplink and Rx 440 on down,  or  Tx 2m on uplink and Rx 10m
down.

In other words, as long as I can do all of this:

1.  K3SUB can Rx 2m/440 and the main Tx 2m/440
2.  K3SUB can Rx HF and main Tx 2m/440


I don't expect to need to Tx 2m/440 more than 10W ever.

Then, we're good.

I'm lost on the elecraft page of parts/kits.  My how things have changed
there.

By the way I didn't see it, but is there a 1.2Ghz  KIT ?  Not required, but
would be nice.

Any kind soul, please help me out with an upgrade path of which kits I need
to get to do the full-duplex Satellite work that I used to enjoy.  (I'm all
set on the antennas and such, just need the upgrades to the RIG).

Thanks so much.
73
W7BRS
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