This is getting where I can no longer even test in my back yard at all, 30 minutes and hdop is still 2.7 I cant get below 2.0, usually its about 2.7 at my house. This is a new issue that seems to have started with 3.1
Randy mentioned a battery may have died, but Im not sure where it is, is it on the APM, or the GPS?
Can I thru a PID just change the HDOP to be 3.0 or would that be bad?
I am not sure why this has never been an issue unless it was lowered when 3.1 came out.
Thanks, Ed
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You all mention a battery for the GPS, it is inside the housing?
Today I had the alert and the a bad po error I assumed that I tried to arm to quickly while in loiter mode, however when I reset I received the same error pre arm GPS hdop...
So is the their a battery under the housing for the GPS that can go out?
Mine is less than 30 days old... I was testing arm in loiter and I think once the copter has a pre arm message it locks out a rearm until a reset...
I think I got that whipped I have been letting it get a 3d fix and pass pre-aem with a back up battery then switch so I am certain of the charge...
Then I switch and I think I did not let it get a GPS 3d fix and tried to arm in loiter
The minimum "good" GPS hdop is configurable using the GPS_HDOP_GOOD parameter (as mentioned on the pre-arm check wiki page). No guarantees that the loiter or auto control will be any good though!