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Ahh...so location, mount, adaptor from nmo to PL, connectors, chokes and antenna....all affect each other!!   Ya I am pretty close to the “blue” spot.  I remember reading that 50ohm is center...so I am not too far.  As most of us in radio we usually can’t leave things alone.  Chasing that elusive dragon!!!


That was a great explanation!!!  Easy to follow for this beat up brain.   I feel good about my work now!  I get compliments on how my mobile sounds and now I know why it sounds technically the way it does. 


I am going to subscribe to this thread or cut and paste to my build thread.


To the OP...I didn’t mean to hijack your thread!  Hopefully some of this extra stuff can help you out.  But get a VNA...I will really give you a clear view on what your antenna system is doing!!!