Extra exam question E2D04
Subelement E2, OPERATING PROCEDURES· Group E2D
What technology is used for real-time tracking of balloons carrying amateur radio transmitters?
- A.FT8
- B.Bandwidth compressed LORAN
- C.APRS (correct answer)
- D.PACTOR III
WhyAPRS is the technology used for real-time tracking of balloons carrying amateur radio transmitters. APRS, the Automatic Packet Reporting System, is the technology commonly used to track high-altitude balloons carrying amateur radio transmitters in real time, broadcasting GPS position reports that anyone with an APRS receiver or internet gateway can follow, answer C. FT8, compressed LORAN, and PACTOR III aren't built for this kind of live position tracking.
Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2024-2028 NCVEC Element 4 pool (public domain); the explanation above is original writing, see our methodology.
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