GPS connected to pixhawk in ArduSub

Blue Robotics Software ArduSub
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4-BlueRobotics-Rev2 09-11-2017 20_42_20
4-BlueRobotics-Rev2 09-11-2017 20_42_201920×1001 110 KB

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I have two different M8N units both working on 3.5.1 with the same settings. Have you rebooted the vehicle by unplugging the battery?

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Yes, the weird thing is that it used to work, with the previous software.

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Here is the previous software, 3.5.0
Let me know if that fixes it. I don’t see any changes between the two versions that would make a difference.
ArduSub-v2.px4 (711.8 KB)

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I have installed the Ublox GPS that Kevin suggested inside the 4" enclosure and it works fine at surface. My idea is to be able to take fix with it. Is there a function in QGC to take fixes without just reading the pos. data?

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Hi @jwalser
Can you please tell me witch map format QGC use as reference, is it WGS84? Cant find this info.

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Yes, it is WGS84.