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Comment by chatmasta | Hacker News Reader

I'm surprised, given all the focus on surveillance, that nobody is talking about the fact that GPS is entirely controlled by the US government. [1]

Any time one of your devices contacts a GPS satellite, it's telling a system of satellites owned and maintained by the US government exactly where you are.

It does not seem at all far-fetched that some government "intelligence" agency is collecting, mining, and processing this data.

Please, if I'm wrong about the system being totally US-controlled, I would love to be corrected.

[1] http://en.wikipedia.org/wiki/Global_Positioning_System

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GPS is a one way system. Receivers do not communicate back to the satellites, thus they do not tell the US government where you are.

Thanks, did not know that.

If theses little cheap device could communicate to a satellite, it would be amazing. Currently if you want to connect to a satellite, you need a big antenna and a bunch of time.

Don't these handheld devices, $79.99 on Amazon, connect to satellites to send their location? https://en.wikipedia.org/wiki/SPOT_Satellite_Messenger

"Satellite service is wireless and requires a clear line of sight toward the satellite" http://faq.findmespot.com/index.php?action=showEntry&data=11...

> Any time one of your devices contacts a GPS satellite, it's telling a system of satellites owned and maintained by the US government exactly where you are.

GPS receivers are just that. They do not transmit anything to the satellite.

While the satellites are US-controlled, the communication is strictly in one direction; your GPS listens, it doesn't broadcast. I mean, do you think that news anchors can watch you through your TV?

Yes? https://news.ycombinator.com/item?id=8537039

Also, GPS has become a generic term, just like aspirin. There are quite a few alternative systems that provide the same functionality (http://en.m.wikipedia.org/wiki/Global_Positioning_System#Oth...). Most aren't global, but the Russian one is, and the Chinese and EU ones are planned to be one.

Many phones can use GLONASS, the Russian system, so, for example, the 'GPS' in your iPhone or Lumia may not always be using the GPS system to compute your location.

People, even allegedly technical ones, get amazingly confused.

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