It seems to be not the answer to my question.
Originally Posted by
bRandom
The power of the transmitter isnt always "more power is better" ... signal distance has more to do with the receiver antennae sensitivity... so some of the receiver antennae that are more powerful have a smaller "cone of reception", which why those are often mounted to antennae trackers so they always point towards the aircraft. Watch youtube videos by ibcrazy for detailed explanations.