Perhaps wire a relay in to accessory so you don't have to remember to turn it off.
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re your orginal question:-
We have had some issues with sat phone kits casing interferance at 150Mhz.
if you find that your cb rx souns noisy or you seem to have trouble receiving - try disconnecting the sat kit to see if thee is a differance. (uhf cb is at 476Mhz)