"I just upgraded from Ardupilot 2.65 to Version 2.7 I am using the cheaper GPS Ublox NEO-6M now the GPS is not recognized and I get in test section < ? in response to typing GPS not the ..... UBLOX  then showing the number of satellites…"

"I have been running APM 2.5 with NEO-6M using arduplane 2.65 and arducopter 2.81 with no problem just upgraded to software Arduplabe 2.70 and Arducopter 2.91 now neither boards are working with NEO 6M anybody knows what is changes ? thanks"

"I am in middle of a design quad core ARM A9 running at 1.2ghz can you tell me how much are you relying on graphical co processor in the software design and where is the most computational part of the algorithms are Kind regards Mehdi"

"Neil How about $80.00 plus shipping for the xbees Kind regards Mehdi"

"What I actually did was that I de-solder the GPS part and got the GPS board with no GPS mounted from 3DR and soldered the GPS back on that board I will see if I can post some pictures later or you can simply remove the resistor looking part (it is…"

"Look at my response Chris Anderson above"

"You can easily remove the U3 on the shield (this cuts the power to the GPS module) or you can do a mod like I show in the attached PDF file Mehdi"

"You should have a headless system Probably based on the same Micro gather all the data in real life then pass it to a program that is running on a notebook to be displayed. this way they could use an external large monitor to display  the Radar…"

"Is this available ? if yes how can I pay for it pay for it ? PayPal ?"

"I think it is a great idea but a notebook would be a better choice rather than a hand held device great work "