![US$ 175.70 - Pro DIY F450 F550 Drone Full Set 2.4G 10CH RC Hexacopter Quadcopter Radiolink Mini PIX M8N GPS PIXHAWK Altitude Hold FPV Upgrade - m.xt-xinte.com US$ 175.70 - Pro DIY F450 F550 Drone Full Set 2.4G 10CH RC Hexacopter Quadcopter Radiolink Mini PIX M8N GPS PIXHAWK Altitude Hold FPV Upgrade - m.xt-xinte.com](https://us01.imgcdn.ymcart.com/25850/2017/11/23/f/2/f2047703da5a0dbc.jpg?x-oss-process=image/quality,Q_90/resize,m_lfit,w_500,h_500/sharpen,100/interlace,0/auto-orient,0)
US$ 175.70 - Pro DIY F450 F550 Drone Full Set 2.4G 10CH RC Hexacopter Quadcopter Radiolink Mini PIX M8N GPS PIXHAWK Altitude Hold FPV Upgrade - m.xt-xinte.com
![In OFFBOARD mode PX4 height estimation is biased - Multicopter 🛸 - Discussion Forum for PX4, Pixhawk, QGroundControl, MAVSDK, MAVLink In OFFBOARD mode PX4 height estimation is biased - Multicopter 🛸 - Discussion Forum for PX4, Pixhawk, QGroundControl, MAVSDK, MAVLink](https://discuss.px4.io/uploads/default/original/2X/d/daf69df6c3e5b956c5ef9470ba491f2eecac6663.jpeg)
In OFFBOARD mode PX4 height estimation is biased - Multicopter 🛸 - Discussion Forum for PX4, Pixhawk, QGroundControl, MAVSDK, MAVLink
![US$ 145.43 - Pro DIY Mini 310 330 360 Full Set FPV Drone 2.4G 10CH RC 4-Axis Quadcopter Radiolink Mini PIX M8N GPS PIXHAWK Altitude Hold Mode - m.xt-xinte.com US$ 145.43 - Pro DIY Mini 310 330 360 Full Set FPV Drone 2.4G 10CH RC 4-Axis Quadcopter Radiolink Mini PIX M8N GPS PIXHAWK Altitude Hold Mode - m.xt-xinte.com](https://us01.imgcdn.ymcart.com/25850/2017/11/23/7/5/758f5b831b15c541.jpg)
US$ 145.43 - Pro DIY Mini 310 330 360 Full Set FPV Drone 2.4G 10CH RC 4-Axis Quadcopter Radiolink Mini PIX M8N GPS PIXHAWK Altitude Hold Mode - m.xt-xinte.com
ArduPlane: Set displayed altitude to zero on 3D GPS lock? · Issue #417 · ArduPilot/ardupilot · GitHub
![TZT M8N GPS + Flight Controller For Pixhawk 2.4.8 Standard + Ammeter + Damping Plate + GPS Bracket - AliExpress TZT M8N GPS + Flight Controller For Pixhawk 2.4.8 Standard + Ammeter + Damping Plate + GPS Bracket - AliExpress](https://ae01.alicdn.com/kf/S11554761b18e4fe491f37de6e8e06de7Z/TZT-M8N-GPS-Flight-Controller-For-Pixhawk-2-4-8-Standard-Ammeter-Damping-Plate-GPS-Bracket.jpg)
TZT M8N GPS + Flight Controller For Pixhawk 2.4.8 Standard + Ammeter + Damping Plate + GPS Bracket - AliExpress
![Altitude hold not working with GPS as primary height source and GPS blending enabled · Issue #14267 · PX4/PX4-Autopilot · GitHub Altitude hold not working with GPS as primary height source and GPS blending enabled · Issue #14267 · PX4/PX4-Autopilot · GitHub](https://user-images.githubusercontent.com/35664507/75611587-15bad880-5b1c-11ea-9aa4-f8f91eead90c.png)
Altitude hold not working with GPS as primary height source and GPS blending enabled · Issue #14267 · PX4/PX4-Autopilot · GitHub
![Quadcopter going down but RTK GPS.Alt log showing constant altitude (log attached) - Copter 4.0 - ArduPilot Discourse Quadcopter going down but RTK GPS.Alt log showing constant altitude (log attached) - Copter 4.0 - ArduPilot Discourse](https://discuss.ardupilot.org/uploads/default/original/3X/a/5/a511bbe4e37add41eefb67acad2ae43effcdb545.png)
Quadcopter going down but RTK GPS.Alt log showing constant altitude (log attached) - Copter 4.0 - ArduPilot Discourse
![Amazon.com: Geekstory BN-220 Dual GPS Glonass Module Navigation TTL Level 9600bps + GPS Passive Antenna for Arduino Raspberry Pi Pixhawk F3 CC3D Betaflight F4 Flight Control : Electronics Amazon.com: Geekstory BN-220 Dual GPS Glonass Module Navigation TTL Level 9600bps + GPS Passive Antenna for Arduino Raspberry Pi Pixhawk F3 CC3D Betaflight F4 Flight Control : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51JIMcOS+PL.jpg)
Amazon.com: Geekstory BN-220 Dual GPS Glonass Module Navigation TTL Level 9600bps + GPS Passive Antenna for Arduino Raspberry Pi Pixhawk F3 CC3D Betaflight F4 Flight Control : Electronics
![Amazon.com: BN-180 GPS Module UART TTL Dual Glonass GPS Car Navigation with GPS Antenna for Arduino Raspberry Pi Pixhawk Aircraft CC3D F3 Flight Controller Geekstory : Electronics Amazon.com: BN-180 GPS Module UART TTL Dual Glonass GPS Car Navigation with GPS Antenna for Arduino Raspberry Pi Pixhawk Aircraft CC3D F3 Flight Controller Geekstory : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/618dldlOaiL.jpg)