Ned Horning
  • Male
  • Ripton, VT
  • United States
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Ned Horning's Groups

Ned Horning's Discussions

No voltage on Pixhawk aux out pins

Started this discussion. Last reply by Ned Horning May 2, 2014. 6 Replies

Hi - I am trying to set up my Pixhawk to trigger a camera using Arduplane and when I tried to test the voltage step-up circuit …Continue

Is CAM_TRIGG_DIST available for ArduCoper?

Started this discussion. Last reply by Thorsten Oct 11, 2013. 3 Replies

It appears as if people are able to use CAM_TRIGG_DIST for ArduPlane but I can't tell if it is available in ArduCopter. My attempts to use it on my quad have been unsuccessful. I am able to…Continue

Can't save camera gimble parameters

Started this discussion. Last reply by Ned Horning Aug 22, 2013. 2 Replies

Hi - I am trying to set up my camera (Canon A2200 running CHDK) so I can activate the shutter using a relay. I can use this setup successfully if I plug the relay directly into one of the RC receiver…Continue

Need help figuring out why my quad keeps flipping

Started this discussion. Last reply by Chase Friedman Jul 17, 2013. 6 Replies

I have a 3DR quad running 3.0.1 and am trying to figure out why it flips over and crashes well into a flight just about every other time I fly it. At first I thought it was due to vibration but I…Continue

 

Ned Horning's Page

Latest Activity

John Sulik replied to Ned Horning's discussion The right tool for the job in the group Agricultural UAVs
"Contrary to Airwolf's assertion, I never saw this study or commented on it before it was posted here. That said, his research design was excellent and helps advance our understanding of camera modification and NDVI calibration. I can't…"
Jul 10, 2016

Moderator
MarioSpeedwagon replied to Ned Horning's discussion The right tool for the job in the group Agricultural UAVs
"I'm trying to stay out of this because I would consider myself biased. I'm a big fan of Micasense and a big supporter of John Sulik (I've read many of his white papers).  So, take this as you will I guess.  I agree with you…"
Jul 9, 2016
LW replied to Ned Horning's discussion The right tool for the job in the group Agricultural UAVs
"NDVI tells me I have biomass and to a degree how much over the area of my field. That's good and I can get some information from that.  But more is needed so instead of the Right Tool For The Job maybe I should ask what is the Right Script…"
Jul 9, 2016
John Sulik replied to Ned Horning's discussion The right tool for the job in the group Agricultural UAVs
"This is a thorough comparison. However, you conclude that a gap is closing yet you will not perform a more in depth comparison due to band availability. Given the band availability issue you raised, does it make sense to refer to "the gap"…"
Jul 9, 2016

Moderator
MarioSpeedwagon replied to Ned Horning's discussion The right tool for the job in the group Agricultural UAVs
"Thanks Airwolf. Do you plan on performing some more in depth comparisons as well? I like this idea and would be interested in seeing some more.  Did you happen to make a comparison between stitched results? Did you have access to a…"
Jul 9, 2016
Jim Beagley replied to Ned Horning's discussion Only arms when connected to USB
"I'm having this issue after previously replacing the Diode that had blown. Can only arm with the USB connected. Zener Anode       5.34v Zener Cathode    5.09v Voltage at Fuse   5.09v Any ideas?"
Jun 14, 2016
Robert replied to Ned Horning's discussion Only arms when connected to USB
"I get the same similar problem except mine seems to be really strange. When I arm my pixhawk, it will have yellow blinking lights unless I move the USB connection to the USB port of the pixhawk! I don't even need to connect it and it becomes…"
May 27, 2016
Wouter replied to Ned Horning's discussion The right tool for the job in the group Agricultural UAVs
"I know it's been a long time ago this message, but did you have time to compare the mapir(2) with other sensors? Thanks"
May 18, 2016
Pascal P. replied to Ned Horning's discussion The right tool for the job in the group Agricultural UAVs
"Price is so interesting for this product (250 USD). Of course this is not a serious solution for high demanding jobs, but this a good ticket to experiment NDVI studies.I think issues can be tempered : 1. Rolling shutter : last Pix4D 2.1 release…"
Apr 3, 2016
Bortek replied to Ned Horning's discussion The right tool for the job in the group Agricultural UAVs
"Thanks Ned , I will give it a try. I wonder what are the drawbacks of setting a filter on the camera lens instead of inserting it inside? Of course I willhave to first take out the IR filter. But the ability to so easily interchange filters for…"
Mar 16, 2016
Ned Horning commented on Kyle Miller's blog post Value in the Near Infrared: Debunking the Myth of a False-NDVI
"The original post is missing some important details. It would be helpful to know if the images were calibrated or ocntroled in any way before creating the NDVI and false-NDVI images. For any index to be valid some calibration or imaging protocol…"
Mar 10, 2016
Ned Horning commented on Kyle Miller's blog post Value in the Near Infrared: Debunking the Myth of a False-NDVI
"Although I agree that the jury is still out on the utility of converted point and shoot cameras I think there is hope if appropriate filters are used, calibration routines are implemented and a host of imaging protocols are followed. I have been…"
Mar 10, 2016
Ned Horning replied to Ned Horning's discussion The right tool for the job in the group Agricultural UAVs
"MidOpt (http://midopt.com/) sells a dual pass 660/850 (passes red and NIR) filter that from my experience is superior to other filters I have tested. I have a colleague who put one in an S100 and it took a good bit of tweaking to get the focus set…"
Mar 8, 2016
Martin Poller replied to Ned Horning's discussion The right tool for the job in the group Agricultural UAVs
"here is one suggestion."
Mar 8, 2016
Hwar replied to Ned Horning's discussion Replacing the power diode on APM 2.5
"Hi Aku, I know it has been a long time since your last message but i just found your post. I have the same issue, and the same question in mind : 'could i just bypass the damn faulty diode ?' Did you find an answer ? Thanks"
Mar 8, 2016
Bortek replied to Ned Horning's discussion The right tool for the job in the group Agricultural UAVs
"What are the alternatives when it comes to purchasing red filter for S100 ? I cannot find anything more than just publiclabs DIY kit. Can Anyone post some links to where can I buy one? "
Mar 8, 2016

Profile Information

About Me:
Work for the American Museum of Natural History
Please tell us a bit about your UAV interest
Want to use UAVs as a camera platform to support biodiversity conservation research and applications.
Hometown:
Ripton, Vermont

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