Originally Posted by
Gray Beard
The negative/positive shift turned out to be a marketing ploy and really made no difference. I didn't find this out until just a few years ago when I was talking to Tony Stillman at Radio South. Seems the only difference in the receivers was the red dot Futaba put in them.
Thats not positive/negative shift. You're thinking of the high band/low band nonsense. Also there was more to it than just a dot, it was how they were tuned, but yes, it was more marketing hype than technical advantage