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Wilfred Swinkels replied to david teles's discussion 433 Mhz antennas for 3Dr radios
"gents,  
try this on ebay.
search for   433 MHz handheld antenna.
and then change 433 MHz  for  70cm.
this is the wave lenght for 433MHz then you will find walkie talkie antennas which are used by hams.
these are great for your base station.  and if…"
May 28, 2014
Wilfred Swinkels left a comment on 3D Models
""
May 4, 2014
Wilfred Swinkels replied to mark's discussion uBlox new 6m and APM 2.5.2 in ArduCopter User Group
"Mark read this. Does that sound familiar?
can you measure the amplitudes of the data levels? (with an oscilloscope)
I had some trouble with data levels on an ublox 
http://diydrones.com/forum/topics/ac-2-9-1-vs-2-8-1-gps-accuracy?xg...

Wilfred"
Apr 26, 2014
Wilfred Swinkels commented on Chris Anderson's blog post Insanely big multicopter (?) lifts off
"and than you find a post here....I had a fly-away  can somebody check my log files please :-)"
Apr 13, 2014
Wilfred Swinkels posted a discussion in 3D Models
Apr 13, 2014
Wilfred Swinkels commented on Hugues's blog post Review of the APM 2.x anti-vibration 3D printed :Omnimac
"Hello Guy,
is there any way that I can obtain a step file of the damper?
I printed 3 allready (just one was good enough to go on the copter :-) ) but now I am modifyng Johar Palicita's frame to fit your damper.   http://diydrones.com/group/3d-models…"
Apr 8, 2014
Wilfred Swinkels commented on Gisela & Joe Noci's blog post Antenna, Feedpoint matching, Baluns, Turnstiles and why Complex homegrown antenna mostly do not work...
"Hi Joe,
Excellent post!.   

Wilfred, ON4NDO"
Apr 3, 2014
Wilfred Swinkels posted photos
Mar 25, 2014
Wilfred Swinkels left a comment for Michael Oborne
"Michael, I am allmost certain this is not the place for a bug report, but here it goes.
I live in the east part of Belgium., with a compass declination of 0deg 47min. the websites gives me degrees so to convert to radians, 47/60 times pi/180 =…"
Mar 8, 2014
Wilfred Swinkels replied to Teodor Yantcheff's discussion Why compass is so much more important with 3.0+ than is was with previous releases ?
"Theodor,
This means most people don't know, and the guys who DO know don't have time to answer you?
sorry that I don't have an answer either."
Jul 23, 2013
Wilfred Swinkels left a comment on 3D Models
"WOW Johar! you ROCK!!"
Jun 14, 2013
Wilfred Swinkels replied to Craig Elder's discussion APM Copter 2.9.1.b has been released
"Gentleman,
I want to run this idea by you.

How about an Aluminium (Al) enclosure for the APM.
The motor currents are AC (at a fairly high frequency) the magnetic field of our earth is "DC" ( see the "" ? )
the AC currents induce an eddy current on…"
Jun 13, 2013
Wilfred Swinkels replied to Craig Elder's discussion APM Copter 2.9.1.b has been released
"real scary fly away in  V3rc5
there was no wind so I tried stabilise mode wich went quite fine for a time. all of a sudden the hexacopter takes off to the left 
and there was nothing I couldt do to stop it. it didnt resond to the radio at all. it…"
Jun 10, 2013
Wilfred Swinkels replied to Forrest Frantz's discussion Wires Going from the ESCs to the Motors Weigh Too Much ... Problem Solved
"Sorry Forrest,
The thinner the wire the higher the resistance the less amps at the same voltage.  you need a higher the voltage for the same amps then with thicker wire.
U=IxR
Hope you've misspoke in your text not in your .xls file.  
nice job by…"
May 8, 2013
Wilfred Swinkels replied to OpticalFlow's discussion USB and Telemetry connection stop working while benchtesting (APM 2.5 clone)

worst day of my flying "career"
 
 
 
I had an ESC wich wouldnt start due to the outside temperature.
 
Yesterday was a beautiful day to test the new software for my APM2.5. So I went outside, and the darn ESC acted up again. So I hurried back…"
Apr 22, 2013
Wilfred Swinkels posted a discussion
Hello software guru's,in missionplanner 1.2.43  the compass heading shows 360 degreesand when you rotate a bit further, it shows 0 deg.is this heading coming out of the APM2.5 code or does this info come from missionplanner?if it comes out of the…
Apr 14, 2013
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