"Hi Eugene, you may investigate -- as Jordan hinted at -- dead reckoning. It would be enough to fly over their airspace (combined with RF shielding). Have a look at the inertial nav code in the APM code -…"

"If it wasn't for you, Marco, posting this, I would dismiss this immediately: the image we get does not come from 'Lily', but from a gimballed platform. Clever shots, never an operator seen anywhere. Have they already achieved better digital…"

"Very nice work Dan. Keep it up. X-47B style! https://www.youtube.com/watch?v=rIRwsOG_AYQ"

"Hi Thomas, awesome work and greatly illustrated website: congrats. I have a few questions:
- will you implement modulation signatures? Say I have multiple beacons spaced by 1.5 meter with multiple UAS wanting to land. Could we be able to 1) assign a…"

"Thx for this post Mike T. One thing worth mentionning too is that mini quads are now hitting the 150km/h top speed barrier more and more (93mph), with some bursts going already around 170km/h, with a short term goal to reach 200km/h (124mph) with…"

"The original post from 14th July from the authors can be found here: http://diydrones.com/profiles/blogs/design-of-a-multi-rotor-vtol-ua..."

"Very Batteries not Included like :) So cute!"

"Congratulations to Raphael and to Brendan!"

"Wonderful reading. Thank you Brendan and Raphael for that!"

"The problem with Matternet is that it does not seem to budge since over 3 years now. Imho, it stalls, and they could do way better. I am a bit surprised to still see people only find out now about the possibility of our little machines, but those…"

"She's exactly two years late and definitely not the first. https://www.youtube.com/watch?v=L75ESD9PBOw"

"Looks a lot like the SteadiDrone qu4d..."

"The reading of Trappy's defense pdf is a gem. FAA's shameless attack is destroyed purely and simply.
"An interpretation advanced as a litigating position is considered under the same Skidmore standard, requiring that the court be persuaded that the…"

"Now that's Diydrones :) Go u4eake!"

"@u4eake u're welcome. Article 6,1 of http://www.legifrance.gouv.fr/jopdf/common/jo_pdf.jsp?numJO=0&d... states that "one cannot operate an aircraft if in a moving vehicule". The limitations of the French law are very restrictive."

"And here are the steps to require an authorization: http://www.developpement-durable.gouv.fr/Demarches-pour-effectuer-d..."