AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/ham-satellite-doppler

What is Doppler shift in satellite communications?

Start playing free

  1. A change in the satellite orbit
  2. A frequency change caused by relative motion
  3. Receiving on one band and transmitting on another

🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every Ham Radio Operator Should Know, plus timed practice exams.

The first 50 cards of every test are free to play.

Play the free cards See membership

Like this card?
Play the game

References

  1. NCVEC 2026-2030 Technician Question Pool, T8B07 www.ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf Checked 2026-10-09.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Ham RadioWhat does a satellite tracking program provide?Ham RadioWhat does LEO mean for communication satellites?Ham RadioHow does Part 97 define an amateur space station?

That's stuff everyone should know.