Global Positioning System (GPS), the most common technology for the tracking and navigation system in modern time in military and civilian use. GPS, initially, was developed as a military navigation system, started in 1973 and it took 20 years to be fully operationalized in 1993. The military version of GPS is known as NAVSTAR GPS used by the US Space force. 24 satellites are revolving around the Earth in different orbits, giving information regarding latitude, longitude, time to good accuracy and claim to be resistance to jamming technologies. GPS has now increased more space in civilian applications as well. The Civilian version of GPS is a software-based application and chipset used for navigation in rural areas and wilderness. It's also useful in an emergency when the traveller becomes off course and unable to understand the way, GPS help him or her to guide a suitable place. The civilian application also includes tracking of endangered species of animals kingdom, tracking of cargo and marine traffics on oceans. However, the birth of GPS is purely for military purpose.
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| Geolocalisation GPS (Credit- commons.wikimedia.org/wiki/File: Geolocalisation_GPS_SAT) |
GPS System worldwide
Many counties have and trying to create navigation consolation around the globe. More than 100 satellites are moving across the globe. These systems normally exist in medium earth orbit. The following GPS and Navigation system has been working across the earth.
1. Beidou- China- Fully Operational Worldwide
2. GPS- USA- Fully Operation Worldwide
3. Galileo - EU- Partial Operational- Worldwide
4. Glonass - Russia- Fully Operational- Worldwide
5. NavIC - India- Partial Operational- Regional
6. Michibiki- Japan-Partial Operational-Regional
There are three segments of GPS. The first space segment is a satellite constellation with multiple revolving around the globe, which collect data and send it to monitoring stations on earth, which is the second segment. Ground stations also responsible for monitoring satellites to remain in the proper orbit. the third segment is user support. It depends upon the user criteria that how much functionality you will have. Civilian user, as not required precise accuracy whereas the Military requires much more accuracy. The first use of GPS in the actual war was tested on the Gulf war in 1990 when the GPS was not completely operational however, America had the upper hand with GPS to have a deep look into enemy territory and vector land and airforces in a more advantageous way. The tactics used by the USA became book trick nowadays. The technologies are now more refine and target acquisition and engagement has been more accurate and precise than ever.
Pakistan and GPS
Pakistan is a long user of the GPS through F-16s and other weapon platforms, however, Pakistan is not having good relation with America in continuous terms. Therefore, the USA had the power to limit the utilisation of GPS of Pakistani F-16s and other associated weapons platform which including LINTING POD, use for targeting acquisition and navigation POD used for precise bombing and that is not good news for Pakistan. The Pakistani AWACS system Saab Erieye use the American GPS for navigation and target acquisition which later relies on different platforms and control centres on the ground and air.
Pakistan shifting from a GPS to the Chinese BeiDou System
Two-Way Communication- BeiDou distinct feature

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