10.02 If a spacecraft is three-way, it means...       it is coherent.       it is non-coherent.       it is receiving an uplink.       a second station is receiving a downlink.

10.03 What is/are the primary benefit/s of a coherent downlink?       precision Doppler.       accurate telemetry.       clean radio science.       error-free commanding.

10.04 If TWNC is on, a spacecraft's downlink cannot be...       one-way.       two-way.       three-way.       non-coherent.       coherent.

10.05 A spacecraft can modulate telemetry symbols onto its...       uplink carrier.       downlink carrier.       downlink subcarrier.       uplink subcarrier.       beacon.

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SECTION I   ENVIRONMENT 1 The Solar System 2 Reference Systems 3 Gravity & Mechanics 4 Trajectories 5 Planetary Orbits 6 Electromagnetics

SECTION II FLIGHT PROJECTS 7 Mission Inception 8 Experiments 9 S/C Classification 10 Telecommunications 11 Onboard Systems 12 Science Instruments 13 Navigation

SECTION III FLIGHT OPERATIONS 14 Launch 15 Cruise 16 Encounter 17 Extended Operations 18 Deep Space Network