[ SECRET POST #3485 ]

[case]

⌈ Secret Post #3485 ⌋

Warning: Some secrets are NOT worksafe and may contain SPOILERS.

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Notes:

Secrets Left to Post: 02 pages, 42 secrets from Secret Submission Post #498.
Secrets Not Posted: [ 0 - broken links ], [ 0 - not!secrets ], [ 0 - not!fandom ], [ 0 - too big ], [ 0 - repeat ].
Current Secret Submissions Post: here.
Suggestions, comments, and concerns should go here.

Comments

Re: Question about tracking cell phones

[(Anonymous)]

If you regularly leave your GPS on, it will be continually transmitting to whichever satellite network it is hooked up to.

GPS doesn't work that way. GPS satellites send a synchronized time code from a highly stable orbit. The GPS receiver reads the time codes from multiple satellites, calculates the difference between time codes, uses that to calculate distance to each satellite, and does some complex trigonometry to calculate the location of the receiver on the Earth.

No data goes from GPS receiver to GPS satellite. This is important for military applications, and most handhelds can't get into orbit anyway because they lack the power or antenna to do so.

Now if you're using something like the Google Maps API, you'll be transmitting GPS data nearly continuously through the ground-based cellular network and getting map updates. However commercial GPS systems usually have the maps pre-loaded into memory so they work reliably without cell phone coverage.

Privacy tinhatters suspect that many phones can be activated remotely and silently. But removing the battery is probably sufficient.

Another method of triangulation is to use raw cell tower data to triangulate a rough position. It's not as good as GPS but is good enough for military work.