Not that I know of Bob. After the initial KX1, they brought out the 30m add-on which I have and the 30/80m add-on which I don't have [life at my age isn't long enough for QRP with short antennas on 80m :-)]. Mine is S/N 678 I think, it's buried in my SOTA bag and I don't have time to go look, but I know it's 3-digits in the 6 hundreds.

Like the K1 and K2, these are fairly mature products, not many changes, and they work. I do SOTA activations with my K2, and sometimes the KX1, I usually work the Spartan Sprint with my KX1 when it's warm enough to be on the deck. I think you will like the KX1, with the LiPoly battery, the integral paddle, and earbuds, mine comes in at just under 0.62 lbs. Important for the Spartan. :-)

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2014 Cal QSO Party 4-5 Oct 2014
- www.cqp.org

On 3/26/2014 7:36 PM, [email protected] wrote:

Greetings all.  I recently fell in love with QRP CW and have outgrown
my TenTec R4020.  I'm an engineer and use a soldering iron a lot at
work, and I'm busy these days so a build project doesn't excite me.
right now.  I have a lead on a 5 year old KX1 and was wondering if
they've changed much in 5 years.  I'm fine with little mods and
tweaks but want to make sure it isn't dramatically different from the
new ones.  Have they changed much in 5 years?


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