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How GPS trackers work

How the app works?


Have you ever found yourself endlessly circling on a perplexing highway, or realized during a vacation that the actual roads beg to differ from your maps? It's quite a puzzle and, admittedly, a significant time-waster, correct?

In such moments, your GPS device proves to be an invaluable ally. The Global Positioning System (GPS) stands as one of the most instrumental innovations of our century. Imagine a network of 24 to 32 satellites, all solar-powered, working in tandem with their ground stations to relay data to GPS-equipped devices, be it your car or smartphone. Though initially a resource reserved for military use, GPS has progressively expanded its reach into various civilian sectors.

At its core, the GPS is designed to pinpoint the real-time location of an object or individual. It operates through the Global Navigation Satellite System (GNSS), where each satellite in orbit dispatches microwave signals to a ground-based receiver. By processing signals from a minimum of four satellites, the receiver can compute your exact location with remarkable precision. This determination of your global position down to mere meters is achieved through a triangulation method based on these signal distances. This methodology hinges on a fundamental mathematical concept known as trilateration. To carry out these calculations, GPS receivers interpret the precise coordinates of at least four satellites, along with the distance to each, to deduce four critical values: latitude, longitude, elevation, and time. Your location is ascertained based on these satellite positions and distances. It's crucial for these satellites to maintain a clear trajectory or 'line of sight' to transmit their exact locations consistently to all receivers. The distance to a satellite is measured by the exact arrival time of a satellite's transmission, enabled by the satellite’s highly accurate atomic clock.

In light of this, employing GPS technology not only streamlines navigation but also significantly reduces the time spent in potentially futile endeavours, like deciphering misleading maps or navigating complex highways.

How a GPS Tracking Device Works

GPS tracking devices operating on established principles, take a proactive approach by not just collecting location data but also transmitting it via the global GSM cellular network to a server. This server, in turn, presents a platform accessible to users, where they can review both current and historical data concerning path, speed, and various alerts. This information becomes conveniently available on a desktop or smartphone application, compatible with both iPhone and Android platforms.

The utility of GPS tracking systems extends to a broad audience. For instance, business proprietors utilize these systems for real-time fleet tracking and employee supervision. On a more personal level, families rely on these devices to monitor the safety of elderly members, children, or even pets. Moreover, travelers find them essential for securing luggage, ensuring it doesn't succumb to misplacement or theft. In the marketplace, the choice between active and passive GPS trackers is pivotal. Passive trackers, more cost-effective, record data to be later retrieved and analyzed on a computer, devoid of real-time tracking capability. Conversely, active trackers offer the advantage of real-time data processing and transmission, employing a SIM card and GSM transceiver. This functionality, however, incurs a recurring monthly charge, attributable to the requisite cellular services.

Complications arise when GPS devices encounter obstacles, such as indoor environments or substantial structures, impeding the direct satellite signal. Under these circumstances, the device pivots, seeking signals from cellular towers. Through a process known as triangulation, based on the signal strength from these towers, the device endeavors to approximate its location. This methodology, while effective, has its limitations. In densely populated urban settings, the proximity of cell towers can yield location estimates with a respectable accuracy of up to 100 meters. However, in more remote locales, the scarcity of towers can significantly dilute precision, leading to potential discrepancies, positioning the device miles from its actual coordinates.

The Device
The Device

Real-time accurate GPS

Tracki GPS tracker is the world’s smallest in size and lightest in weight (only 1.26 ounces)
Tracki GPS tracker is the world’s smallest in size and lightest in weight (only 1.26 ounces)
Note: Just like a cell phone, your Tracki tracker needs a data connection plan using the cellular network which requires a monthly subscription.