No GPS Lock – waited 30 minutes

[wamik]

Hi ArduPilot Community,

I’ve been working with ArduPilot for a while, but I’m currently facing an issue while calibrating the GPS module on my setup. I’ve followed the calibration steps outlined in the documentation, but the GPS is not showing any proper fix (I’m stuck at “No GPS Lock”).

Here’s what I’ve tried:

Verified the GPS module is connected correctly and powered.

Checked for firmware updates on ArduPilot and the GPS module.

Tested using alternate GPS settings within Mission Planner.

Waited longer than 30 minutes to provide the GPS adequate time to gain a proper lock.

I tried all these methods, and yet I am unable to receive a stable GPS signal. Anyone run into a similar problem or have any troubleshooting tips I may be missing?

Several problems reported in Mission Planner, no gps etc

I previously reported a problem with the left pot of the TX not working, and was lucky enough to have a friend in Bolivia fix it for me. I now have several new problems (which definitely did not exist before), which I am thinking may be related to American Airlines Baggage Throwers. I recently flew from St Thomas in the USVI to Bolivia where I live, I transported the IRIS+ in one of those fancy custom cases so I thought it would be all protected, however on arriving in Bolivia (and solving the…

Also, I’ve been doing some Alteryx Training to enhance my data processing capabilities, and I was curious if anyone has ever used ArduPilot with Alteryx for data analysis or post-flight processing.

Any assistance would be much appreciated!

Best regards,
wamik

[Webillo]

@wamik

unable to receive a stable GPS signal

GNSS planning.

Choose a good satellites day and hour for your location, specially looking for low HDOP, and operate in open sky.

Use some u-box utility.

[amilcarlucas]

Any transmitters near the GPS antenna can cause interference.

Keep the GPS antenna away from all other antennas!

[marblecreek (Rover; AP 4.6.0-BETA, Pixhawk 6X CM4)]

I have my 915mhz in between my 2 gps antennas. What do you mean by “near”?

[Allister (Allister Schreiber)]

For most of the drones around here we’re happy if we can get 10 cm. Looking at your photo I think you’ll be fine.

[amilcarlucas]

@Allister If that 915MHz transmitter uses high power and has not output filter, it will cause issues, even at that distance

@marblecreek disable the 915Mhz transmitter and re-test. Does the problem go away?