They are for two separate components. KX1 1.02 is for the base KX1. KXAT1 1.2 is for the KXAT1 ATU. If you have the ATU option, probably good to get it. They're for different components so they have different dates. If you don'thave the KXAT1 option, you have no place to put the upgrade so skip it.

Good luck with your KX1. I finally sold mine, got too old and feeble to manage the sort of expeditions and SOTA activations I used it for. It's a really fun little radio.

73,

Fred ("Skip") K6DGW
Sparks NV USA
Washoe County DM09dn

On 6/19/2017 4:10 PM, Gary wrote:
Howdy,


      I bought a KX1 at hamfest recently. It did not have the 30/80 board so I 
ordered it from Elecraft. Now I need to order the firmware as my radio had an 
old version. Customer service pointed me at this sight:

http://www.elecraft.com/order_form_parts.htm#K1%20Parts


I am a little confused on which one to buy:

KX1 F/W Upgrade 1.02  or  KXAT1 F/W Upgrade to 1.2

I would have thought v1.2 but the description on v1.02 has a newer date. Will 
they both work with my 30/80 board? It would be nice to be able to manual tune 
SWL as well.

Thanks and 73,
Joe kk0sd


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