K2 with the W2 Wattmeter kit

[Ray G3XLG]

Hi Guys

My K2 has the KPA100W & KAT100 tuner and I thinking of getting the Elecraft
W2 wattmeter kit.

I believe the W2 is really designed to interface with the K3 but will it
also work OK with my K2?

If so, do I position it before or after the tuner?

73 Ray, G3XLG

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[Augie "Gus" Hansen]

Hello Ray,

> ... thinking of getting the Elecraft
> W2 wattmeter kit.

Good choice.

> I believe the W2 is really designed to interface with the K3 but will it
> also work OK with my K2?

Works with any transceiver. The RS232 interface is for f/w updates
and data displays via an attached computer.

> If so, do I position it before or after the tuner?

Depends on whether you are using a rig's internal tuner or something
external. In my station the W2 is installed between the KPA500
output and an external tuner that I use with an "all-band" doublet.
The K3's KAT3 is bypassed in this arrangement.

73,
Gus Hansen
KB0YH

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[Don Wilhelm-4]

Ray,

The W2 is *not* transceiver specific, it will work with any transceiver,
Elecraft or other.

It will also work fine with your K2.

Where you place it depends on where you wish to read the SWR.  If you
are interested in seeing the SWR at the input to the KAT100, then place
it between the KPA100 and the KAT100 - but really, I can not understand
why you would want to do that, the KAT100 LEDs will tell you the same SWR.
If your interest is in the SWR at the end of the transmit feedline, then
you place it after the KAT100.  That will show you the SWR looking into
your feedline, and at the same time, the KAT100 LEDs will telll you the
SWR that the KPA100 is seeing.

73,
Don W3FPR

On 11/3/2011 1:29 PM, Ray Spreadbury wrote:

> Hi Guys
>
> My K2 has the KPA100W&  KAT100 tuner and I thinking of getting the Elecraft
> W2 wattmeter kit.
>
> I believe the W2 is really designed to interface with the K3 but will it
> also work OK with my K2?
>
> If so, do I position it before or after the tuner?
>
> 73 Ray, G3XLG
>

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