All I can say is that the sheet metal on that drone looks really good. I doubt it ran out of fuel.
They either landed it which would require very high level spoofing ability or like I said use something like a butterfly net on it. The metal is just to straight for a crash. On Thu, Dec 15, 2011 at 3:44 PM, gary <[email protected]> wrote: > I've talked to the GPS jammers at Nellis and have seen their gear. They > don't spoof but just jam. The gear is totally COTS. Some Marconi signal > generator that can generate white noise at the two GPS frequencies. They > have omni or directional antennas. They have an old Russian jammer on hand, > but the Marconi works a lot better. > > I've been jammed by them. It is interesting in that the GPS just suddenly > dies. That is, it seems to track given some noise, but you hit a point where > it suddenly gives up. It is the only time I've seen no satellites shown on > the display. > > It wouldn't surprise me if a Growler could spoof a GPS, but I have no hard > evidence that it can. > > I'm in agreement with they just jammed everything and the thing ran out of > fuel. I have a FOIA somewhere on a Predator crash. With LOS, it just orbits. > In the case of this Predator, it orbited into a mountain near Creech AFB. > > > On 12/15/2011 3:18 PM, Chris Albertson wrote: >> >> I bet this drone contains no technology that is not exportable. Of >> course they had to think about a crash. >> >> I also bet it had an inertial nav system as backup to the GPS. But >> and this is the key to all backups. You have to know the primary is >> failed. When you jam GPS the smart way is not to over power it with >> white noise but to first transmit an IDENTICAL signal. Then very >> slowly move your stronger signal away from "truth" until it is sending >> a false signal. This way the receiver does not know it is being >> jammed. No I did not just think of this, it's what "everyone" does. >> But why then if the INS and GPS disagree was there not an alarm? It >> was likely a low-cost INS that needed periodic updates from a GPS >> >> I would not rule out that they simply made the drone fly into a big >> fishing net and dropped it with a parachute in a kind of controlled >> mid air collision. Heck the US used to capture film cam falling from >> space with big nets >> >> Chris Albertson >> Redondo Beach, California >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. -- Chris Albertson Redondo Beach, California _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
