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T8B07:What is Doppler shift in reference to satellite communications?

T8B07T8B

What is Doppler shift in reference to satellite communications?

Direct answer summary (2026-2030 NCVEC pool)

The official correct answer for T8B07 is An observed change in signal frequency caused by relative motion between the satellite and Earth station.

The key fact is An observed change in signal frequency caused by relative motion between the satellite and Earth station. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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More questions in T8B

T8B01What telemetry information is typically transmitted by satellite beacons?T8B02What is the impact of using excessive effective radiated power on a satellite uplink?T8B03Which of the following are provided by satellite tracking programs?T8B04What mode of transmission is commonly used by amateur radio satellites?T8B05What is a satellite beacon?T8B06Which of the following are inputs to a satellite tracking program?