Can somebody tell me what do eph and epv s mean?
They considered as standard deviation.
SensorGps (UORB message) | PX4 User Guide
Accuracy, but it is not detailed.
Also, since eph and epv are used for failsafe:Parameter Reference | PX4 User Guide
, I want to use them instead of multiplying the measurement resolution with hdop and vdop.
Any feedback on the questions above would be appreciated.
For uBlox the value comes from here:
So it’s UBX-NAV-PVT.hAcc which is described as “Horizontal accuracy estimate” in mm.
My problem with this is that accuracy is not defined here neither. In some places it is listed as standard deviation.
It is a bit confusing. Could you clarify this to me?
My assumption is that it’s a standard deviation but if you want to be sure you might have to talk to uBlox and ask them.