John C.
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  • Berkeley, CA
  • United States
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John C.'s Discussions

Initial GPS lock error

Started this discussion. Last reply by John C. May 2, 2012. 1 Reply

RSSI feed from Dragonlink

Started this discussion. Last reply by Gábor Zoltán Jul 8, 2012. 9 Replies

Roll Error?

Started this discussion. Last reply by Michael Pursifull Sep 28, 2011. 13 Replies

 

John C.'s Page

Latest Activity

Ravi commented on John C.'s blog post Cheap Fixed Wing Mapping
"i understand that the hero is in auto shutter mode and clicks every 2 secs. the images are geo-tagged so every picture has lat, long and height. now how do you add roll and pitch angle of the aircraft at the time of shutter click to every picture. i…"
Apr 29

100KM
Hein du Plessis commented on John C.'s blog post Cheap Fixed Wing Mapping
"Ok, since you're aware of these challenges I'm sure you'll have great success. Great solution on #3, the beta of MP also has a servo trim option for the auto modes. Getting a USB in there is a pain, there were all sorts of options,…"
Apr 25
John C. commented on John C.'s blog post Cheap Fixed Wing Mapping
"Your comments are spot on HDP. 1) I'm flying at sea level in ideal temperature conditions. 2) I've also seen L/R elevons that off one step from each other. 3) I tried two different elevon steps, as neutral trim was only achievable once the…"
Apr 25

100KM
Hein du Plessis commented on John C.'s blog post Cheap Fixed Wing Mapping
"Great guide. We've given up on this after finding the Disco fails to take off at high altitude and / or hot temperatures. Coast is Ok mostly. It's elevons sometimes are misaligned (1 out of 4 we found) and aligning them is hard because the…"
Apr 25
Eric commented on John C.'s blog post Cheap Fixed Wing Mapping
"hello John, Very interesting as a solution for mapping, I have developed a solution that is close to yours and I am convinced that we can make good quality mapping for a reasonable cost; www.uav40.com   my web site."
Apr 25
John C. commented on John C.'s blog post Cheap Fixed Wing Mapping
"I've flown 120g on it with no problems. I'm sure it can take more with the stock power system. APM is a more stable experience in AUTO. I've used the FreeFlight app to plan a lawnmower pattern, and the Parrot flight stack was giving…"
Apr 25
Jonas commented on John C.'s blog post Cheap Fixed Wing Mapping
"Very interesting. Eager to know more and try myself. Have a unboxed Disco in the basement. Any idea of what payload the Disco is capable of, and the effects on the flight time and stability/autopilot?"
Apr 25
John C. posted blog posts
Apr 24
John C. replied to Paul Spaur's discussion Using a Parrot Disco for aerial mapping
"Hey Paul! I had no idea you started this thread. Let me contribute a little! 1) I used this guide to get APM running on CHUCK. You can use the latest build, and make it persistent across…"
Apr 21
Geoffrey L. Barrows commented on John C.'s blog post Parrot/Pix4D announce 2017 Climate Innovation Grant
"Very cool! I wonder if this area would benefit from yet smaller drones that can fly way up into the branches and see the structures from the inside."
Dec 9, 2016
John C. commented on John C.'s blog post Parrot/Pix4D announce 2017 Climate Innovation Grant
"Sequoia does not fit in the gimbal. No Hero bus port. We use the static frame mount."
Dec 7, 2016

Moderator
Gary Mortimer commented on John C.'s blog post Parrot/Pix4D announce 2017 Climate Innovation Grant
Dec 7, 2016

100KM
DavidJames commented on John C.'s blog post Parrot/Pix4D announce 2017 Climate Innovation Grant
"It looks like a 3DR Solo quadcopter being used with the Sequoia multispectral sensor.   I wonder if the Sequoia multspectral sensor works in the 3DR gimbal?"
Dec 6, 2016
John C. posted a blog post

Parrot/Pix4D announce 2017 Climate Innovation Grant

https://www.youtube.com/watch?v=UJw9KC7ut0AIt is amazing to see how fast our industry is advancing. Reliable, repeatable data collection is no longer the challenge it once was. Through the efforts of many of you on this site, organizations are now able…See More
Dec 6, 2016
Greg Covey commented on John C.'s blog post Sequoia In The Wild!
"Hi John, Great thread! Any answers to your last post above? Thanks..."
Nov 25, 2016
John C. commented on Greg Crutsinger's blog post Parrot announces Disco is available in September
"Here's a full auto run as well. https://www.youtube.com/watch?v=mouMcYXMcaU"
Aug 29, 2016

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VP, Sales and Marketing at 3D Robotics
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John C.'s Blog

Cheap Fixed Wing Mapping

Posted on April 24, 2017 at 3:30pm 8 Comments

"Ten thousand dollars?!?! It's just a piece of foam!"

If you've uttered those words, this post is for you.

We will not debate the value of quality or workflow simplicity contained in that $10,000. What we will do is demonstrate how to make a "cheap" consumer fixed-wing…

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Parrot/Pix4D announce 2017 Climate Innovation Grant

Posted on December 6, 2016 at 10:37am 4 Comments

https://www.youtube.com/watch?v=UJw9KC7ut0A

It is amazing to see how fast our industry is advancing. Reliable, repeatable data collection is no longer the challenge it once was. Through the efforts of many of you on this…

Continue

Sequoia In The Wild!

Posted on March 1, 2016 at 9:04am 33 Comments

Well, not the wild, perhaps the most mapped place on the planet; the Berkeley Marina.

(Disclaimer: I work for Parrot. I did this on my own time, and for my own knowledge and confidence in the product. I was excited by the results, and thought this group would be as well.)

I know many of you here are like me,…

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DroneDeploy Co-Pilot

Posted on October 12, 2014 at 8:30pm 17 Comments

I recently had the opportunity to set up a vehicle with the DroneDeploy Co-Pilot.  https://www.dronedeploy.com/

The integration was two very simple connections to the Pixhawk.  1) A 6pin to 6pin DF13 cable from the Co-Pilot to Telem2…

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Recent Solar Flare

Posted on September 11, 2014 at 1:30pm 2 Comments

This CME has the potential to trigger significant geomagnetic activity when it reaches Earth's magnetic field during the mid-to-late hours of Sept. 12th. NOAA forecasters estimate an almost-80% chance of polar geomagnetic storms on Sept. 12-13.

May want to watch that HDOP this…

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Comment Wall (3 comments)

At 10:48am on April 16, 2010, Pike said…
Hi John,
Did you sold out your RTF UAV ?
Let me know if it is still available.
Best Regards
YCT
At 12:14pm on April 16, 2010, John C. said…
Hello YCT, yes, I do still have it. I took the post down, as it seemed no-one was interested.

Let me know.

JC
At 7:14am on May 16, 2013, Matt Gunn said…

John, you had told me that triggering the camera on wa points works, but Im am unable to get it to work. Is there any chance you could just describe to me the order of operations? Im desperate here, spending a lot of money and time building this mapping rig, but just cant seem to make it snap on waypoints. It does trigger through the MP if I select "trigger camera now" but not on the waypoint. Just a nudge in the right direction is all Im asking. I would be very grateful.

Matt

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