Radio Hits!!!
It is a fact and not fiction that you will get reduced range if the tip of the TX antenna is pointed directly at the aircraft when the model is at certain angles in relation to the TX antenna. The weakest signal is when the tip of the TX antenna is pointed directly at the model while the model is either flying at you or away from you. (Provided the RX antenna is running down the length of the fuselage) The TX antenna is giving you max range when the entire length of it is facing the model. I have gone to the base loaded RX whip antennas (Revolution brand) on all of my models, both turbine and prop jobs, and have seen a drastic increase in range verified by a range check.
It just kills me to see modelers doing this and other range reducing no-no's, including pointing the TX antenna at the ground. If your transmitter has a swivel so that you can adjust your TX antenna---adjust it so that the antenna is pointing straight up. With the whip RX antennas the TX antenna is never pointing directly at the model unless the model is in a knife edge and the TX antenna is pointing directly at the model. Even then range is not reduced that much because the speed of the model will make the whip antenna bend rearward a little so you never really have that "Point to Point" antenna problem!!!
Just a little food for thought---------Kevin