PITCH GOES UP AND DOWN IN PLANNER

Hi.

When setting up APM on the ground, on Flight Data tab of the software, pitch is going up and down continously, if I switch to Stabilized mode, elevator replies to this situation, moves up and down.

This occurs ONLY when the uBlox GPS is connected.

If I remove GPS, it is steady (both the screen and elevator), only moves when I move the plane.

Is it normal?

Regards.

Tags: apm, gps, pitch

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DeveloperPermalink Reply by Michael Oborne on May 8, 2012 at 2:59am

how are you powering the apm?

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Permalink Reply by Derin Hakan Karakurt on May 8, 2012 at 3:48am

with usb cable and lipo at the same time to power rc system and the motor.

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DeveloperPermalink Reply by Michael Oborne on May 8, 2012 at 4:06am

sounds like you are having power issues. the ublox causing voltage sag on the apm

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Permalink Reply by Derin Hakan Karakurt on May 8, 2012 at 4:07am

thank you for reply.

what should I do then if you know?

Best regards..

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