Has anybody seen the underside? It could have pancaked or crashed on sand or something. I've no idea of the terrain at the crash site.
-John =============== > 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 <li...@lazygranch.com> 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 -- time-nuts@febo.com >>> To unsubscribe, go to >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>> and follow the instructions there. >>> >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> 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 -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.