The tracker is a small part of the on-board computer. It is responsible for transmitting the position and height of the charge you sent to the stratosphere.
It is up to you what technology you choose. Will it be APRS , WSPR whether LoRa .
Some devices also transmit multiple emissions, so one tracker can work with APRS frames and WSPR broadcast information.
The decision depends on the flight strategy. Is it a long-haul flight using a balloon? hypertensive or standard shell flight latex .
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