Has anyone successfully used the APM2.5 (or other APM) with the cheaper NEO-6M ublox gps ?

Did you need any modifications to the source code ?

Thx !

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I have same problem. I took off on stabilize mode, then switched to altitude hold and then loiter, there were no problems. When i switched to auto mode it flied away to sky :) up to 165 meter. Then decided to descend but then crashed. Luckily crashed on a empty area with no damage.

I have external gps and compass module bought from ebay. I did not changed its configuration.

I have this type of ublox with compass module.

I tried lots of thing but i could not change any configuration with u-center software. Also config file gives error.

Is it essential to change parameters (baudrate, refresh rate etc) for autonomous flight?

any idea to change parameters? 

hi, did u sort it out? i'm in the same boat.... cannot write 3dr config file to the module.

We can't write because this board does't have eeprom. Maybe this is not crucial because apm configs ublox on every boot. If you still want to write settings, there are documents that describes adding eeprom on it. 

But i am thinking to upgrade lea 6h because of glonass support. 

big nonsense Ibrahim....that battery you see on board is to power EEprom...

@ibrahim no its not fake. For example jDrones GPSes have EEPROM installed and they also have configurations uploaded. 

Battery is not for EEPROM. Battery is for keeping Navigation almanac and last position/lock informations alive inside GPS computer. Without it getting first position locks will take much l9nger as a lot of data needs to be loaded from satellites eg. Cold boot that clears all memories on GPS computer.


But i am thinking to upgrade lea 6h because of glonass support. 

Its the LEA-6N, which supports GLONASS, probably hard to get or not available as ready to go BOB with GLONASS/GPS antenna.The chinese cheapo supplyers are usually selling the H type for GPS only. Obsolete.

Meanwhile, you can buy ready modules with Max-M8Q or even with NEO M8N and compass at CSG shop. Great for simultanious GLONASS and GPS reception, as Peter reported at drones-discuss.

Seller has a blog here.


Thanks for clarification. LEA-6H supports Galileo but i suppose it is not completely functional now. Waiting NEO M8N for becaming lower prices :)

Yes, I did not mention Galileo, because when this system is operating (in 2020 ?) we will be discussing about the NEO 16 ;-)

Check Attachment..

What type of conector use this GPS neo-6m?


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