Evan Coasts
  • Male
  • Hollister, CA
  • United States
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Evan Coasts commented on Alexey's blog post QuadroPixel, new generation of frames.
"What motors did you use to get 55+ flight time with the maxamp batteries?"
Dec 6, 2013
Evan Coasts commented on Hunter Parris's blog post Overlaying GPS Coordinates for Camera Crosshairs
"It all comes down in solving the camera pointing algorithm in the reverse order, as Lucas suggested. Within this algorithm there are three variables: 1. Own (GPS) position, altitude 2. Target position, altitude 3. Pant tilt X and Y values. X…"
Nov 29, 2013
Evan Coasts commented on Hunter Parris's blog post Overlaying GPS Coordinates for Camera Crosshairs
"These guys are doing it already for quite some years now as far as I know: http://magnetsystems.net/ They provide the coordinates not only of the crosshair location but from every pixel of the video window. An impressing technology called video…"
Nov 28, 2013
Evan Coasts replied to William Premerlani's discussion An improved method for accounting for acceleration in gyro roll-pitch drift computations
"Hi Andrew, Bill, Thanks for the reply. However, it looks to me that the null_offsets() routine is used to continually adjust the compass offsets in the long run. What I’m actually looking for is the code that executes the compass calibration…"
Aug 24, 2012
Evan Coasts replied to Andrew Tridgell's discussion ArduPlane 2.50 released
"Hi,   I’m trying to locate where into the new APM 2.5 code, the compass calibration routine is. Can somebody provide some assistance?   Best regards Evan "
Aug 23, 2012
Evan Coasts replied to William Premerlani's discussion An improved method for accounting for acceleration in gyro roll-pitch drift computations
"Hello William,   I’m trying to locate the code (within the APM, Arduplane or Arducopter files) that a) initiates and b) performs, the compass calibration routine but I had no luck so far. Can you please provide some…"
Aug 22, 2012

Profile Information

About Me:
System engineer and UAV amateur pilot
Please tell us a bit about your UAV interest
control of hexacopter swarms
Hometown:
Hollister, Ca

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