60000’ is 11.36 miles, yet the laser goes 10 miles? Guess it only works if the receiver is on a mountain.
Mark > On Aug 2, 2015, at 11:21 AM, Mathew Howard <[email protected]> wrote: > > It says these things would be at 60,000 feet, so pretty much all of that > would be well below. It says they can do 10Gbps and they'll work up to 10 > miles, but it doesn't say they can do 10 gig at 10 miles... > > On Sun, Aug 2, 2015 at 10:14 AM, Stefan Englhardt <[email protected] > <mailto:[email protected]>> wrote: > Laser need LOS in the real sense. Fog, rain, smoke, birds, planes, ... > Or you give them enough power to remove the problem ;-). > > > -------- Ursprüngliche Nachricht -------- > Von: Jeremy <[email protected] <mailto:[email protected]>> > Datum: 02.08.2015 17:01 (GMT+01:00) > An: [email protected] <mailto:[email protected]> > Betreff: Re: [AFMUG] Facebook testing drones with lasers for Internet > > Ah, I guess my subconscious desire added that. I have always thought that > lasers backed by RF would be the future of wireless. They'll have to have RF > also for when a bird flies through it. > > On Sun, Aug 2, 2015 at 9:00 AM, Ken Hohhof <[email protected] > <mailto:[email protected]>> wrote: > I don’t see the “on the ground” part: > > We've also made a breakthrough in laser communications technology. We've > successfully tested a new laser that can transmit data at 10 gigabits per > second. That's ten times faster than any previous system, and it can > accurately connect with a point the size of a dime from more than 10 miles > away. > > > From: Jeremy <mailto:[email protected]> > Sent: Sunday, August 02, 2015 9:53 AM > To: [email protected] <mailto:[email protected]> > Subject: Re: [AFMUG] Facebook testing drones with lasers for Internet > > It talks about the lasers being able to align to a spot on the ground "the > size of a dime". That seems like drone to ground lasers to me. > > On Sun, Aug 2, 2015 at 8:33 AM, Stefan Englhardt <[email protected] > <mailto:[email protected]>> wrote: > Laser between moving objects sound quite unbelievable. > > -------- Ursprüngliche Nachricht -------- > Von: Ken Hohhof <[email protected] <mailto:[email protected]>> > Datum: 02.08.2015 16:10 (GMT+01:00) > An: [email protected] <mailto:[email protected]> > Betreff: Re: [AFMUG] Facebook testing drones with lasers for Internet > > Lasers between drones, RF to ground. > > Still probably more challenging in the real world than Facebook is > anticipating. But they also are probably not designing for people who will > complain to the FCC about not getting 99.999% reliability. > > > From: Rory Conaway <mailto:[email protected]> > Sent: Saturday, August 01, 2015 10:50 PM > To: [email protected] <mailto:[email protected]> > Subject: [AFMUG] Facebook testing drones with lasers for Internet > > http://arstechnica.com/information-technology/2015/07/facebook-our-drones-will-use-lasers-to-deliver-10gbps-internet-access/ > > <http://arstechnica.com/information-technology/2015/07/facebook-our-drones-will-use-lasers-to-deliver-10gbps-internet-access/> > > > The interesting part is the laser working at 10Gbps at 10 miles. > > > > Rory Conaway • Triad Wireless • CEO > > 4226 S. 37th Street • Phoenix • AZ 85040 > > 602-426-0542 <tel:602-426-0542> > [email protected] <mailto:[email protected]> > www.triadwireless.net <http://www.triadwireless.net/> > > > “Things could be worse. Suppose your errors were counted and published every > day, like those of a baseball player. ~Author Unknown” > > > > > >
