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GPS tracking fundamentals

How GPS Trackers Send Their Location

A connected GPS tracker usually performs two separate jobs: it calculates its position from navigation signals, then uses another communication method to share that position with software.

By TransitSatellite · Reviewed October 20, 2026

GPS calculates the position

GPS satellites transmit one-way navigation signals. A receiver uses signals from multiple satellites to calculate its own position and time.

The satellites do not need to know which tracker is receiving the signals and do not transmit a map or dashboard back to the vehicle.

A communication network carries the report

Once the device has coordinates, a connected tracker can transmit them through a separate network such as cellular service or a satellite communication service.

The communication method affects coverage, reporting frequency, power use, and recurring service cost.

Software turns coordinates into something useful

A tracking platform receives location reports and can place them on a map, retain history, create alerts, or connect positions with business information such as drivers, jobs, equipment, or maintenance.

This separation is important when diagnosing a missing update: the GPS position fix and the communication link can fail for different reasons.

Common questions

Can a GPS tracker know its location without cell service?

Yes. A GPS receiver can calculate position without cellular service when it can receive suitable satellite signals. Sending that position remotely requires another communication path.

Do GPS satellites track individual vehicles?

No. GPS satellites broadcast navigation signals. The receiver in or on the vehicle calculates its own position.

Sources

GPS fundamentals

Follow a location report from satellite signals to a receiver and tracking platform.

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