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Block 2 Algorithm Drop Schedule (aka NPP/J1 Algorithm Paradigm Shift). IDPS Splinter June 8, 2011. Overview. Issue: Planned “Build 2.1” algorithm drops in 2011 and 2012: 2.1 drops are currently planned too early in the lifecycle when compared with reality Background:

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block 2 algorithm drop schedule aka npp j1 algorithm paradigm shift

Block 2 Algorithm Drop Schedule (aka NPP/J1 Algorithm Paradigm Shift)

IDPS Splinter

June 8, 2011

overview
Overview
  • Issue: Planned “Build 2.1” algorithm drops in 2011 and 2012:
    • 2.1 drops are currently planned too early in the lifecycle when compared with reality
  • Background:
    • Raised issue at the IDPS Splinter on April 5, 2011
      • Government confirmed the dates are unrealistic, and that any major changes to algorithms will likely occur on the NPP Cal/Val path vs. reactions to J1 sensor deltas
    • Revisited issue at IDPS Splinter on May 10, 2011
      • IDPS proposed two options to handle “2.1” drop schedule: 1) Rebaseline hours into FY14-15; or 2) Repurpose the hours to support Cal/Val
      • Government indicated their support for option (2)
status
Status
  • Option (2) briefed to Raytheon PMO over last several weeks
    • Direction was to incorporate option (2) algorithm paradigm changes into DRW12 planning cycle
    • Option (2) will take effect in Oct 2011 with approval of DRW12 BCR
option 2 effects
Option 2 Effects
  • Algorithm drops
    • Drop sizes as listed in the JPSS proposal
    • Schedule as planned during DRW 11
    • Future Block 2 update budget reduced by 5,000 DSLOC from 11,750 to 6,750

Re-purpose FY11-12 drops to Cal/Val algorithm support in FY12-13

option 2 effects1
Option 2 Effects
  • Re-purposing 5,000 DSLOC to Cal/Val Algorithm Support
    • 75% of the DSLOC (3,750 DSLOC) to Sustainment for Cal/Val algorithm changes from NASA
    • Remaining 25% (1,250 DSLOC) used by Development to keep development algorithm baseline in sync with Sustainment
  • Sustainment Cal/Val
    • Currently scoped to accommodate 9.5% change in PRO code
    • Additional DSLOC would increase code change capacity to ~11.8% of PRO code
summary
Summary
  • Intend to repurpose FY11-12 C1 Algorithm hours for Cal/Val support in DRW12 planning
  • Provides additional algorithm code change capacity during Cal/Val
  • Budget for future Block 2 updates is reduced
dev sustainment hrs
Dev – Sustainment Hrs
  • Proposed change retains total algorithm hours, but re-spreads them between Development and Sustainment
    • Slight shift between fiscal years
npp cal val algorithm support
NPP Cal Val Algorithm Support
  • Proposed change adds surge staff for Sustainment algorithm updates during Cal/Val
npp cal val algorithm support1
NPP Cal Val Algorithm Support
  • Proposed change retains staff for merging algorithm changes into development baseline
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