For others who are perhaps still in your shoes, Who are still a little unsure or confused about best radio controller antennae practice. . .I wondered the same thing the first few flights then realized it was the antennae positioning. I had them all cockeyed all over the place trying to get a better signal. Once I left them alone, parallel to each other all the time, my signal improved drastically.
I consistently get well over a mile before any signal loss blips occur since realizing that positioning is everything.
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