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Why The US Military Made GPS Free-To-Use

MilkmanDan says...

Interesting and good, but it missed an opportunity to talk about another reason that Clinton removed the scrambling that reduced accuracy to ~100m in 2000:

It was fairly easily circumvented.

Your GPS device isn't sending anything TO the satellites -- just receiving FROM them. So, the scrambling had to be done on a system-wide scale; it couldn't skew your location 37m to the west and your friend a block away 62m northeast. So, every device in a particular area (that can see the same satellites) would be skewed by essentially the same distance and direction.

That means that all you needed to circumvent the scrambling was a GPS device relatively nearby at a known latitude and longitude. Then you took the GPS reported coordinates of that device and compared them to the known coordinates, and badda-bing you've got the skew figured out.

I remember that system being used to overcome the scrambling in the late 90's for robotics / AI competitions where things like early versions of drones or other robots had to autonomously navigate a maze or move towards some particular target coordinates.

Basically, if nerdy robotics enthusiasts could circumvent the scrambling, surely a motivated enemy military or terrorist group could too. So, there wasn't much point in continuing it. Ending the scrambling was a good thing for Clinton to do, but I'm sure that impracticality played just as much if not more of a part in his decision as benevolence towards citizens of the Earth / potential economic rewards for American companies did...

Immovable Object vs. Unstoppable Force - Which Wins?

Mass Arrests On Wall St., Girls Get Maced

packo says...

>> ^Yogi:

>> ^packo:
>> ^Yogi:
>> ^packo:
@Yogi
again, its all just conjecture without proper context... whether your conspiracy theory leans one way or the other...
its like seeing the picture of the two soldier and the detainee from Iraq... where if you cut out either soldier, the picture takes on a very different meaning... 1 soldier's gun appears to be held threateningly towards the detainee... the other soldier is giving the detainee water... remove the context of either soldier and the picture becomes misleading... in that case both directions
and in regards to this video... without context, we're left to our own prejudices to determine the context the video falls, so then it's simply chance if our prejudice aligns with the actual context of the video... people on both sides could use this to mislead
again, not attacking one side or the other... just the failings of the presentation

Not really since you're citing a war. I'm talking about civilians and police who are charged with protecting them. There is a much greater burden of proof to be addressed whether or not these women posed a threat to anyone. So there's some context right there...civilians, unarmed, not in a warzone.

technically there's rules to warfare too, and saying which are stricter is a whole other debate
accusers must prove guilt, guilt != not being able to prove merit in this instance : in regards to criminal cases... rephrased someone isn't guilty without proof to their guilt, being unable to prove innocence isn't the same as being guilty... ie, "you robbed the bank", "no i didn't", "can anyone attest to your whereabouts during the time of the robbery?", "no i was alone", "aha, you must be guilty then!"
civil i believe at best you'd be able to hold police officers accountable in regards to them not following proper procedure... which again, this video in no way demonstrates because (again) it was lacking context
all of that get's muddier with the Patriot Act and dealing with masses of people as opposed to the individual
and to summarize, this video doesn't qualify as evidence of misdoing, one way or the other... for the protesters or for the police... i'm sure the police have debriefed/taken statements from officers involved and if those statements/documentation was held up against this video as some sort of proof, no court (civil/criminal) would find much of a case... again back to context and corroberating sources

This is your opinion based on your experience as an expert on what? My opinion is based on that of a crazy person...badda bing badda boom shut the fuck up.


@Yogi,

not my opinion, i rolled over and let your mom get a few words in, she's the expert/professional

Mass Arrests On Wall St., Girls Get Maced

Yogi says...

>> ^packo:

>> ^Yogi:
>> ^packo:
@Yogi
again, its all just conjecture without proper context... whether your conspiracy theory leans one way or the other...
its like seeing the picture of the two soldier and the detainee from Iraq... where if you cut out either soldier, the picture takes on a very different meaning... 1 soldier's gun appears to be held threateningly towards the detainee... the other soldier is giving the detainee water... remove the context of either soldier and the picture becomes misleading... in that case both directions
and in regards to this video... without context, we're left to our own prejudices to determine the context the video falls, so then it's simply chance if our prejudice aligns with the actual context of the video... people on both sides could use this to mislead
again, not attacking one side or the other... just the failings of the presentation

Not really since you're citing a war. I'm talking about civilians and police who are charged with protecting them. There is a much greater burden of proof to be addressed whether or not these women posed a threat to anyone. So there's some context right there...civilians, unarmed, not in a warzone.

technically there's rules to warfare too, and saying which are stricter is a whole other debate
accusers must prove guilt, guilt != not being able to prove merit in this instance : in regards to criminal cases... rephrased someone isn't guilty without proof to their guilt, being unable to prove innocence isn't the same as being guilty... ie, "you robbed the bank", "no i didn't", "can anyone attest to your whereabouts during the time of the robbery?", "no i was alone", "aha, you must be guilty then!"
civil i believe at best you'd be able to hold police officers accountable in regards to them not following proper procedure... which again, this video in no way demonstrates because (again) it was lacking context
all of that get's muddier with the Patriot Act and dealing with masses of people as opposed to the individual
and to summarize, this video doesn't qualify as evidence of misdoing, one way or the other... for the protesters or for the police... i'm sure the police have debriefed/taken statements from officers involved and if those statements/documentation was held up against this video as some sort of proof, no court (civil/criminal) would find much of a case... again back to context and corroberating sources


This is your opinion based on your experience as an expert on what? My opinion is based on that of a crazy person...badda bing badda boom shut the fuck up.

OK, these wedding proposals are really getting over-the-top

D A R K R O W A N : Gold By Midnight (Sift Talk Post)

Civillian EOD contractors detonating 100 tons of dynamite

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