[KX3] Adding TX/RX "Relay" to KX3 Operation

[John Huggins, kx4o]

All,

Oh the things that come up for Field Day with just weeks left to prepare.

Say someone commits to bringing a "mighty-fine" RX only electrically
steerable antenna of some sort to field day 2016.  Not wanting to be
forever mechanically switching between TX and RX antennas...

How would you approach adding an automatic TX/RX swtiching capability to a
KX3 operating QRP?

Would you consider some sort of "diode" switch or stick with good ole
mechanical relays?

I have my thoughts, but thank you all in advance for yours.

John, kx4o

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[Jim Rodenkirch]

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[Michael Walker]

I would use the RTR1 for many reasons including the fact it is bullet proof.

Mike va3mw

> On Jun 11, 2016, at 8:49 AM, Jim Rodenkirch <[hidden email]> wrote:
>
> You could spend money here: https://www.dxengineering.com/parts/dxe-rtr-1
>
> or, you could spend money here:
> http://www.mfjenterprises.com/Product.php?productid=MFJ-1707
>
> OR, homebrew a ckt.....I'm certain a reader or two here has done that and
> can provide you the details.....72 de Jim R. K9JWV
>
>
>
> --
> View this message in context: http://elecraft.365791.n2.nabble.com/KX3-Adding-TX-RX-Relay-to-KX3-Operation-tp7618747p7618768.html
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[chrisrut]

Jim Rodenkirch <[hidden email]> said

"You could spend money here: https://www.dxengineering.com/parts/dxe-rtr-1"

I just happen to have an RTR1A for sale. Which is this:

https://www.dxengineering.com/search/product-line/dx-engineering-rtr-1a-receive-antenna-interfaces

I purchased it in April for use with my KX3 and an active loop antenna
- then in May I turned around and bought a K3 with the built-in T/R relay
setup and suddenly have no use this weeks-old RTR-1A...

Works great of course...

$125, paypal ok, I'll pay for shipping to the lower 48.

73, Chris NW6V
.
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