For those of you with a Dronexpert gimbal, where have you set your basic gain levels? I know it is highly subjective, but mine just does not seem "settled". It either is flying in big circles or it's having a mini seizure as it shakes and quivers while at a hover. I'm using standard DJI blades, T-Motors and a flytrex data recorder. I've got one external antenna hanging off the left rear (currently a TP-Link omnidirectional.