Current setup:

APM2.5 w/ ArduCopter V2.7.3 Quad

3DR GPS uBlox LEA-6 w/ stock configuration from the diydrones store


Power via USB only

On the GPS board, the red power light is on constant and the blue fix flight is flashing.  So no GPS fix right?


but the AMP2.5 has a solid blue light indicating GPS fix and when connected to the mission planner via USB, I see that I have a 3D fix with 12 satellites and gpstatus=3.  Also it appears that the location is within a reasonable range of where I actually am.

When the quad is powered via the 4.7V coming off of the esc bec's I still get the flashing blue fix light on the GPS.

So do I really have a GPS fix or what is going on.

Should the light on the 3DR GPS uBlox LEA-6 go to solid blue?

Any insight would be appreciated,


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Red light for power. Blinking blue when locked, from what I can tell. I have flown auto missions with it that way. As long as you have solid blue on the APM you should be good. The Mediatek shows a solid blue when locked, but not the Ublox.

I have the same question cause my connector broke off after a crash.  I'm gonna look at the Eagle files for help.

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