Pixhawk Antenna Tracking

Hi,

Any help would be appreciated!

I am trying to develop an automatic antenna tracker by following this guide:

http://ardupilot.org/antennatracker/index.html#home

So far, I have connected two servos, a GPS+Compass module, 915Mhz radio with antenna, arming switch, and a battery to the Pixhawk. I have a rudimentary gimbal printed, but that could be improved later. My short term goal is to get the two servos (one for pan and one for tilt) to move when an aircraft moves around them.

I have also installed the Antenna Tracker firmware that comes with Mission Planner to the Pixhawk, configured the range of motion for the two servos (when I click “Test” on the “Extended Tuning” tab, they move.

I am unsure what to do next. I have an aircraft that also uses the Pixhawk (so I have one Pixhawk onboard the aircraft and one on the antenna tracker). I tried to connect the the antenna tracker’s Pixhawk to my computer via micro-USB cable, and I get a GPS reading. How do I get the servos to move when I move the plane around?

Thank you in advance.

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