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QB50

QB50 QB50, an international network of 50 CubeSats for multi-point, in- situ measurements in the lower thermosphere and re-entry research.

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QB50

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  1. QB50 QB50, an international network of 50 CubeSats for multi-point, in-situ measurements in the lower thermosphere and re-entry research Initial parameters:50 x2U cubesats independently built by UniversitiesLaunch altitude <= 320kmNear polar orbit approx 79 degreesOrbital lifetime –up to three monthsteams will be provided with a standard sets of sensors (payload)Subsystems not standardised1U for the payloads & 1U for subsystemsOpportunity for a unique AMSAT cubesat

  2. QB50 QB50, an international network of 50 CubeSats for multi-point, in-situ measurements in the lower thermosphere and re-entry research Ground Station Network & Frequency Allocation Working Group (GFWG)Initial invitees: Graham Shirville – G3VZVNeil Melville - PA9NMLars Mehnen – University of Applied Science Technikum ViennaDietmarKubat – DLR GermanyWouter Jan Ubbels – PE3WEG - ISIS DelftHelen Page – ESA Education OfficePhil Beavis – Vega Co UKRepresentative from University of Vigo SpainCharles Swenson - Utah State University LoganReps from AMSAT organisations in USA, Germany France & Japan

  3. QB50 QB50, an international network of 50 CubeSats for multi-point, in-situ measurements in the lower thermosphere and re-entry research Communication “issues”:How much data to downloadWhich band(s)?Telecommanding legal requirement?Telecommanding practical need?Modulation methodologies? Risk of mutual QRMUse of “spread spectrum”? Use of time division multiplexing?Could it use the whole 435-438MHz allocation?

  4. QB50 QB50, an international network of 50 CubeSats for multi-point, in-situ measurements in the lower thermosphere and re-entry research Ground Station “issues”:How to track 50 satellites?Initial TLE uncertainties then high dragLink budgets?Use of Software Defined Radio techniques?Cost of harwdareGENSO opportunity?Use of GENSO MCC system or central data repository?Centralized test / verification / certification ?

  5. QB50 QB50, an international network of 50 CubeSats for multi-point, in-situ measurements in the lower thermosphere and re-entry research AMSAT/IARU “issues”:Is it a reasonable use of frequencies in the amateur satellite service?Is a telecommand functionality needed?How will the cubesats be named?Frequency coordination?How to deal with ITU Notification processes?How would we use an Hamcube version?How would we build a Hamcube version?

  6. QB50 QB50, an international network of 50 CubeSats for multi-point, in-situ measurements in the lower thermosphere and re-entry research Provisional Mission Timeline:Application for funding from the European Commission - end 20102nd QB50 Workshop – 3rd /4th Feb 2011 (includes 1st GFWG meeting)Notification of funding outcome - May/June 20102nd GFWG meeting late June 2011: : :Launch could be 2013/2014

  7. QB50 QB50, an international network of 50 CubeSats for multi-point, in-situ measurements in the lower thermosphere and re-entry research Requests for support:Definition of specs for, and development of, the flight hardware and softwareDitto for the ground segmentInterfacing with the University teams Secretary and document management for the Working Group(pls contact g3vzv@amsat.org!)

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