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Any Brother Here Know How To Disable Covert Satellite Tracking In A Phone
- Thread starter Wildfire
- Start date
low earth orbit is 2000km. gps is on mid earth orbit (meo) or ico. the only leo sats i know that are still in operational service are those of iridium and globastar. i worked on both.
cm precision with gps requires terrestrial assist. surveyors have been using dgps for a long time with cm precision. however, more new gps iii sv's are being deployed, and more sv's will improve precision. right now, you'll notice an average of 9 "birds" at any one time on a sophisticated gps receiver. it's an improvement over 4 then 6 when i first tested it. now you know how old i am.
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low earth orbit is 2000km. gps is on mid earth orbit (meo) or ico. the only leo sats i know that are still in operational service are those of iridium and globastar. i worked on both.
cm precision with gps requires terrestrial assist. surveyors have been using dgps for a long time with cm precision. however, more new gps iii sv's are being deployed, and more sv's will improve precision. right now, you'll notice an average of 9 "birds" at any one time on a sophisticated gps receiver. it's an improvement over 4 then 6 when i first tested it. now you know how old i am.
We have to differentiate the function of the GPS satellite and ISR. GPS satellites just send out clock signals and information on the locations of the satellites to be analysed by GPS receivers on the ground e.g. a mobile phone with GPS. The location information is obtained from the receiver. The satellite does not receive any location information of receivers on the ground.
On the other hand an ISR satellite has cameras attached that capture images of the ground over it passes. Most spy satellites are at a low earth orbit of around 300 km to allow a reasonably detailed image. If you are talking about tracking a person and using face detection technology we are in fact talking about this type of satellites or even drones.
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gps with terrestrial assist means ground receiver equipped with additional hardware and software that help correct and add redundancy to precision from terrestrial sources. there are some very precise measurements, mostly static, that cannot rely on gps alone. for example, dgps with terrestrial (coastal) reference beacons were already in use in the late 80s, early 90s to conduct geo-surveys of oil rig drilling locations in the gulf.
for satint, the technology is quickly being augmented by drones, sigint and humint as terrorist elements learn to "hide" from the birds so to speak within the last decade.
get cozy and hide with gangbangers in oakland, and the law pretends not to find you. so many murders in oakland, and only a few cases are solved.
