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Review of the Space Communications Program of NASA's Space Operations Mission Directorate (2007) / Chapter Skim
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6 Search and Rescue
Pages 45-50

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From page 45...
... or application of continuous Earth coverage, and so delays are possible betechnology6 and is the primary R&D agency for the follow- tween beacon activation and the generation of an alert on to the C-S program, called the Distress Alerting Satellite message.9 System (DASS) .7 The draft DASS implementation plan In September 1997, a Canadian study revealed that a clearly defines the program goals and objectives in the con- constellation of mid-Earth-orbiting (MEO)
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From page 46...
... The downlink frequency differs from the requirements for the design, procurement, and operation of internationally recognized 1544-1545 MHz distress and the DASS prototype ground segment; for defining and consafety communications frequency used by C-S, but its use ducting the POC phase testing; and for supporting DOE on in no way inhibits the ability of POC DASS to demonstrate DASS POC implementation using the existing DOE payload SAR repeater capability. on the GPS space segment.
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From page 47...
... D&E builds on work completed during the POC. NOAA will assume program man Methodology agement responsibility for DASS implementation at the conclusion of the POC phase and will guide the system transition The DASS implementation plan is a detailed interthrough D&E to an operational status.33 The current plan is agency program plan that describes the implementation of for NASA to provide funding as necessary for the prototype agency responsibilities as outlined in the document Memoground station to support the D&E test activities and for ana- randum of Agreement between NASA, NOAA, USAF, USCG, lytical support of the technical test results.
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From page 48...
... Recommendation: As chair of the DASS Management WorkThat work is essentially complete, and all block IIR/IIF sat- ing Group, NASA should assemble the interagency particiellites will be equipped with the R&D DASS configuration pants in the DASS proof of concept, review the program's to support NASA's DASS POC testing. The Air Force plans progress toward meeting technical, operational, and proto procure GPS III in blocks, and based on the current state grammatic requirements, review interagency and internaof requirements validation within the Air Force, DASS might tional commitments, and negotiate a plan for the future of not be included on the first block of GPS III satellites unless DASS.
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From page 49...
... NASA Goddard Space Flight Center Search and Rescue Satellite System Implementation Plan [DASS IP] , Issue 1, January Mission Office, Distress Alerting Satellite System (DASS)
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From page 50...
... DASS Management Working Group, Distress Alerting Satellite System Implementation Plan [DASS IP] , Issue 1, January 12, 2006, pp.
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Key Terms

  • implementation plan
  • dass management
  • dass poc
  • alerting satellite
  • mission office

  • goddard space
  • space flight
  • flight center
  • nasa goddard
  • national search

  • center search
  • dass implementation
  • states air
  • poc ground
  • poc phase

  • states coast
  • ground segment
  • gps iii
  • coast guard
  • ground station

  • poc dass
  • dass program
  • states national
  • air combat
  • national nuclear

  • energy national
  • force including
  • rescue committee
  • program plan
  • joint program


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