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  • Ellen Zhu
  • Robert Hoermann
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John's Discussions

RC Zoom Control for Sony Camera (PWM)

Started Mar 9, 2017 0 Replies

HI,I am searching for a RC Zoom Control for a Sony Camera. I am not able to find it.Similar to this one, but this one is not available anymore: …Continue

FPV Mini Camera

Started Aug 26, 2016 0 Replies

Hi,I need to setup 2 small cameras with different lens in the nose with pan tilt servo gimbal, I found I can only fit the nano cameras to get 220 degree pan and 100 degree tilt. Here is the camera,…Continue

a Powerful Robust Antenna tracker using the Pixhawk and Mission Planner

Started this discussion. Last reply by John Aug 29, 2016. 2 Replies

Hi,I want to build an Powerful antenna tracker with the pixhawk and mission planner. The tracker should do 360 degree.I have 3 big antenna, and the system to pan is around 6kg and the tilt is around…Continue

Searching for a robust new OSD for Pixhawk

Started this discussion. Last reply by James Apr 13, 2016. 5 Replies

HI,We are still using the famous minimOSD but it's very old compared to other new OSD of other APs.Is there any other alternative or anyone working on a new robust OSD that we can use with Pixhawk. Continue


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Profile Information

About Me:
23 years old,
Please tell us a bit about your UAV interest
My dream was to be a Pilot,

Comment Wall (7 comments)

At 8:14am on June 30, 2014,
Michael Oborne

Please try the latest beta MP, as I have added srtm support.

At 9:58am on June 30, 2014, John said…

HI Michael, Thanks for your support but our question is not related to the map itself, but to the mission planner limitation distance. When we are trying to make a mission over 50KM distance, we are getting the message" The distance is too long" when we click to check the Elevation graph in the mission planner.

We would like to know how can we change the limitation in the elevation graph  t get more than 50km ?

At 11:05am on June 30, 2014, John said…

here is the correct message:  "" the error is "Too many/few WP's or to Big a Distance "

At 11:23am on June 30, 2014, John said…

At 10:24pm on June 30, 2014,
Michael Oborne

the limit is imposed by google. and pulled at every 100 m

At 11:57am on June 29, 2015, Winfried Rijssenbeek said…

Flight time with batteries in 12 motors config is estmated at 10  min, if we choose lower disk loading it can be 15 to 17 min. So definitively need a range extender. We are working on it!

At 12:18am on November 23, 2017, Ellen Zhu said…

Dear sir,


     My email is or

     My skype is

     Thank you!

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