GPS Antennas: FAQs
A GPS antenna is a device that provides connectivity with the GPS – or Global Positioning System – network. The antenna receives signals from the GPS, enabling accurate positioning and location data processing.
An active GPS antenna is almost identical to a passive antenna. Both receive signals from the GPS network, which are used for gaining an understanding of orientation, position, and location. A passive antenna will receive this signal, which will then need to be amplified and passed on to a processing unit – no power source is required for a passive antenna. An active GPS antenna has an amplifier built-in and will need an external power source to operate.
A GNSS antenna works with the Global Navigation Satellite System to process location and positioning data. While the GPS network is generally used in North America, GNSS brings together GPS and other networks around the world to achieve seamless positioning in different locations. For GNSS applications, both passive and active antennas are available.
Antennas work by picking up electromagnetic waves in the atmosphere. These waves make electrons within the antenna vibrate at specific frequencies, which are then converted into electrical signals for processing.
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