Fix PreArm: Need 3d Fix or High GPS HDOP Mission planner Error Solved.
Copter-4.0.4-rc2 available for beta testing - Copter 4.0 - ArduPilot Discourse
Fix PreArm: Need 3d Fix or High GPS HDOP Mission planner Error Solved.
Arducopter 3.6 Issue: Prearm failure GPS · Issue #9649 · ArduPilot/ardupilot · GitHub
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prearm: 3D fix need" but 3D fix is show - ArduCopter - ArduPilot Discourse
Radiolink Electronic Limited
Fix PreArm: Need 3d Fix or High GPS HDOP Mission planner Error Solved.
M8P RTK setup | Issues with HDOP/baudrate/telemetry - Other Hardware - ArduPilot Discourse
Here2 CAN mode, error "prearm High Gps HDOP" - Cubepilot
