AltHold issues

Recent build, generic frame 330mm, 2207 2100kV motors, 6x4.5 GemFan props, Pixhawk Solo Cube 2.0 w/Mini Carrier Board, Telemetry and 2200mAh 3S for power. Seems solid, still slight oscillations when mild throttling/punch outs. AltHold drops altitude like in steps, by 6-8 inches…