NOAA Space Weather Week 2012 Paradigm and Space Weather

NOAA Space Weather Week 2012 Paradigm and Space Weather

UNCLASSIFIED NOAA Space Weather Week 2012 Paradigm and Space Weather Presented by Brian Swinburne, Head of Flight Dynamics 23rd – 27th April 2012 UNCLASSIFIED 1 UNCLASSIFIED 23rd – 27th April 2012 UNCLASSIFIED 2 UNCLASSIFIED Paradigm • Paradigm provides end-to-end, resilient secure communications services to the UK MoD and other third party users 23rd – 27th April 2012 UNCLASSIFIED 3 UNCLASSIFIED Ground System Colerne Oakhanger Hawthorn 23rd – 27th April 2012 UNCLASSIFIED 4 UNCLASSIFIED Paradigm Fleet Spacecraft Launch Date Status SKYNET 4B 11 Dec 1988 Mission Complete – Jun 1998 SKYNET 4A 01 Jan 1990 Mission Complete – Jun 2005 SKYNET 4C 30 Aug 1990 Operational NATO IVA 08 Jan 1991 Mission Complete – Aug 2007 1 Stage NATO IVB 08 Dec 1993 Operational SKYNET 4D 10 Jan 1998 Mission Complete – Jan 2008 SKYNET 4/NATO IV SKYNET 4/NATO SKYNET 4E 26 Feb 1999 Operational SKYNET 4F 07 Feb 2001 Operational 2 Stage SKYNET 5A 11 Mar 2007 Operational SKYNET 5B 14 Nov 2007 Operational S1 SKYNET 5C 12 Jun 2008 Operational SKYNET SKYNET 5 SKYNET 5D Q4 2012 Testing S2 23rd – 27th April 2012 UNCLASSIFIED 5 UNCLASSIFIED Paradigm Fleet 34°W 17.8°W 1°W 6°E 33°E 35.5°E 53°E 23rd – 27th April 2012 UNCLASSIFIED 6 UNCLASSIFIED Space Weather Effects • Typical effects on spacecraft platforms – Single Event Effects • Memory register corruptions – Deep Dielectric Discharge • Electrical discharge into cables, harness and platform units • May cause damage or spurious switching – Displacement Damage • Degradation of Solar Arrays and sensors – Total Ionising Dose • Degradation of platform units over time 23rd – 27th April 2012 UNCLASSIFIED 7 UNCLASSIFIED SKYNET 5 • Hardened EUROSTAR 3000 platform – Single Event Upsets • On-board error detection and correction of memory register corruptions – Deep Dielectric Discharge • Designed out of system by choice or materials and shielding – Displacement Damage and Total Ionising Dose • Spacecraft designed to have margin over lifetime • SKYNET 5 spacecraft have proven to be robust to space weather effects – No service interruptions to date 23rd – 27th April 2012 UNCLASSIFIED 8 UNCLASSIFIED SKYNET 4 • Based on ECS Platform – Susceptible to high energy electrons (>2MeV) • Spurious switching and memory register corruptions • Mitigation – Automated Ground Procedures • Monitor registers • Upload parameters upon corruption – Manual Procedures • Recovery from spurious switching events 23rd – 27th April 2012 UNCLASSIFIED 9 UNCLASSIFIED SKYNET 4 • Customer Warning Service – NOAA Nowcast and Forecast • Paradigm receives warnings from NOAA when electron flux level (2MeV) level rises above 1000 pfu • Paradigm monitors Relativistic Electron Forecast Model • Paradigm sends out a warning of risk of service interruption to PCCC and others if required – UK MoD Space Weather Warning • Not currently used for warning service 23rd – 27th April 2012 UNCLASSIFIED 10 UNCLASSIFIED Future • Improved Space Weather Warnings – Value added service into Paradigm • Platform specific warnings • Severity of impact • Duration of event • Predictive rather than reactive service • Further understanding of local space weather effects – Flying sensor packages – Correlation of platform events against weather forecast – Operators sharing/pooling information 23rd – 27th April 2012 UNCLASSIFIED 11 UNCLASSIFIED Contact • Brian Swinburne – Head of Flight Dynamics Landline: +44 (0) 1249 85 3607 Mobile: +44 (0) 7766 53 6425 Email: [email protected] • General Enquires Email: [email protected] 23rd – 27th April 2012 UNCLASSIFIED 12 .

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