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Baumanetz microsatellite

Baumanetz microsatellite. 1. Tasks:. Globalstar services area definition Downlink possibility definition Uplink possibility definition Displacement possibility definition. 2. Onboard equipment. Qualcomm GSP 1620. 3. Scheme of commutation. 4. Modelling.

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Baumanetz microsatellite

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  1. Baumanetz microsatellite 1

  2. Tasks: • Globalstar services area definition • Downlink possibility definition • Uplink possibility definition • Displacement possibility definition 2

  3. Onboard equipment Qualcomm GSP 1620 3

  4. Scheme of commutation 4

  5. Modelling • Possibility of connection - ≈30 % flight time • Average time of connection - 3..5 minutes • Max Doppler effect - less than 40 kHz Satellites trajectory 5

  6. Position algorithm AT$QCPLS N: <Degrees> <Minutes> <Seconds> W: <Degrees> <Minutes> <Seconds> TIME: <Years>:<Days>:<Hours>:<Minutes>:<Seconds> ERR: <positioning error> OK Minimum 4 measurements measurements Orbit plane Real anomaly Variation of eccentric and pericenter argument Eccentric anomaly Field of differences in main axis Average motion for 2 measurements f0 Main axis for 2 measurements Orbit parameters Minimization differences of main axis for pair measurements e 6

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