"Thanks!  Email sent."

"Nice work Bill.  I was going to do a BoxBotix BBCopter Redux this Summer to make something a bit simpler than what we have, but I see you have a great design going already.  Are you going to release your files?  Understand if not.  I just don't want…"

"@HighVoltage Lots of focus on the frame and the components in this thread.  All important but also just part of the overall system required to deliver a capability, or a set of capabilities.  Here are some of the things I would look for in the…"

"@HighVoltage As others have pointed out it's a combo of low volume and high overhead.  I would expect (hope) that at 65K they are offering a full spectrum solution and not just a frame.  E.g. flight controller with some mission specific capabilities…"

"TFR's are typical for big events.  Large area likely has to do with ability to control and/or intercept in crowded airspace.  Not sure.  Was not there.  But FAA likely had input from those providing the intercept service, aka USAF.  Please believe…"

"Very sorry to hear.  Your support will be missed.  Good luck Rob!
Best Regards,
Coby"

"Thanks Kerleston!"

"I see Golden Gate park just north of Presidio on the KB4UF map.  I think it's a good resource but it may be giving a bit of a false impression regarding the real aviation activity in a given area.  E.g. It makes it seem I can fly a few blocks away…"

"To gain additional insight I would suggest going to https://skyvector.com/ and search for SFO.  Or just pan the map over to your area and zoom in.  Class B Airspace is the blue rings around SFO - it is like an upside down wedding cake.  SFC means it…"