I was a Navy-Marine Corps MARS member, then that branch was absorbed into Army MARS. While with Army MARS, I used my KX3 and KXPA100 out of the ham bands everyday of the week for net ops.

The rig can be unlocked for out of band transmitusing software supplied by Elecraft. If I remember correctly, the frequency spectrum about the CB frequencies is still locked out (CB plus a guard band on either end).

Doing the temperature compensation procedure will improve your KX3's freq stability, but you'll have to test to see if it's in compliance with MARS requirements. There's no guaranteeof this as I understand it.

73,

matt W6NIA


On 2/3/2017 10:11 AM, Aaron K5ATG wrote:
I'm looking into possibly getting involved in MARS. The guy that runs it
locally sent the following question about the KX3:
Can the Elecraft KX3 be opened to permit full operation from 1.8mHz to
29.9999 mHz and do they have installed TCXO (0.5%) frequency stability or
the ability to install the hardware. MARS requires frequency
accuracy/stability to be +/- 20Hz of center frequency on assigned channels
for transmit.
Is this possible with the KX3? If so how?
Aaron K5ATG
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--
Pull the curtain, Fred.  It won't be long now.

Matt Zilmer, W6NIA
[Shiraz]

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