[Elecraft] K3(S) or KX3. Add function to Utility to save non-radio specific settings

[Nr4c]

I think a lot of users would like to be able to save user settings so that several radios could be configured similarly. This would be great for DXpeditions and multi radio contest stations. 

This is different from current feature to save a configuration which includes the serial number and device specific calibration settings. 

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...nr4c. bill