"Use of WPNAV_RADIUS does make sense to me, especially since the other WPNAV_ parameters control the return speed, etc.   But I think the more important issue is *why* is land being performed at all if RTL is the selected failsafe action?  As you…"

"Isn't the WPNAV_RADIUS parameter expected to be used for exactly this purpose?  To avoid wasting time hunting for an exact position?  I assume that's why it used to be the cut-off between the two behaviors.  The problem was caused when someone had…"

"Randy,
I have a concern about the rc10 change mentioned in item 3e of your updated OP.  5 meters seems high for a fixed value.  I frequently launch from my back yard where I have trees, shrubs, and house on 4 sides with a 5 or 6 meter square open…"

"Randy didn't mention it in the release notes, but my PR for this bug was merged and is included in AC3.3rc9 so automatic flow control should be working again now.
--Brad"

"Wes,
That graph looks all too familiar.
I don't know what your frame looks like, but I strongly suspect that the motors are not level.  One or more motors which are tilted by as little as 2 or 3 degrees can cause a persistant tendency to yaw in a…"

"The GPS glitch behavior you describe is quite different than what i saw this week, which Randy graciously pointed out were caused bad parameter settings.  I'm still investigating how they got set to 0.
I used to have frequent problems with GPS…"

"It uses a flight mode.  Initially, setting the flight mode directly didn't work correctly as some required initialization and cleanup wasn't done but that was fixed a while back.  I haven't checked lately, but last time I looked, this needed better…"

"Thanks Randy.  I'll send the .bin files next time.  I was using the .log files, converted via apmplanner 2.0.17-58 with a quick and dirty awk script to find the GPS gaps.  I guess I should do a fresh conversion using the latest missionplanner before…"

"Just one GPS
--Brad"

"Randy,

Thanks for the quick response.  I thought I had it figured out, but now I'm just confused.  :-)
I do see the GPS status changing from 3 to 4 about the time I might have heard one of the lost gps messages.  But I do also see a big gap of GPS…"

"I few two short flights on 3.3rc8 this morning after many successful flights on other days.  In both cases I experienced a WTF moment involving a persistent loss of manual influence over the craft.  Both times I took off in loiter mode (I get lazy…"

"Unless you changed some parameter in the process of flashing back and forth, the problem may still be there as it depends on timing and for me exhibits about half the time on 3.3rc7.  If you post elsewhere, you might want to include a link to the…"

"Randy,
I had suspected this was a 3.3 only bug and Mark's experience seems to confirm that.
I'm guessing some timing changes exposed this latent race condition sometime in the 3.3 rc series.  In any case, I'd consider it a regression and perhaps you…"

"Mark,
I'm going to assume here that you are using telem1 for your radio.
If you connect your telemetry via less than 6 wires, IE, your radio doesn't have or doesn't connect RTS/CTS and if you have BRD_SER1_RTSCTS configured for automatic flow…"

"I've recently seen the behavior you are describing as well, but I don't believe it is related to the problem I reported here.   The issue I reported in 2266 only causes small constant errors in roll or pitch.  I did submit a pull request for 2266…"

"Randy,
I did submit a pull request about a week ago but there has been no comment or merge yet.  If you have time, can you take a look at it and comment to let me know if it looks OK?  I think a few others would appreciate being able to autotune via…"