Why signals become terrible after RTH is initiated?

[fiberdude]

A seasoned MP pilot and owner of 2 MPs, I recently purchased a Phantom 4 Pro for comparison. To my great surprise, both P4P RC and HD signals are highly sensitive to RC antenna orientation (something unseen on MP remotes). Whats more, as soon as RTH is initiated with P4P completing a 180-degree turn, the downlink data connection is pretty much gone for the next 2-3 kilometres over the same trajectories it has just traveled at similar attitudes but with good signals. This happens over noisy residential areas as well as uninhabited bushes. I have attached a snapshot of Airdata.com notification page. 5.8 GHz is used.



Can someone shed light on this MP-P4P divergence?

 

[fiberdude]

No one in this P4P section seems to care?

Similar bad signals appeared upon RTH in this video below. Also check out the HD signal changes before and after the aircraft completes a 180-degree turn.

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