If it's the same place every time, it could just be legit interference.Turning off Bluetooth and WiFi... I can't wait to try this because ever since I upgraded from P3 Advanced to Mavic I can't fly without interference and I'm just going straight up in my backyard over a golf course where I always fly. P3 would go forever with no issues but the Mavic Pro isn't even flyable anymore.
Fingers crossed this works and thanks for posting.