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Alternative Concept of Operations Realized: Rugby Relocation

Alternative Concept of Operations Realized: Rugby Relocation. PRESENTED BY: Erik Johannessen. Presented to: ILA 36 Orlando FL 15 October, 2007. Getting Started.

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Alternative Concept of Operations Realized: Rugby Relocation

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  1. Alternative Concept of Operations Realized: Rugby Relocation PRESENTED BY: Erik Johannessen Presented to: ILA 36 Orlando FL 15 October, 2007

  2. Getting Started • Corporation of Trinity House London issues Contract Notice December 1, 2006 for a services contract for the provision of UK eLoran signal-in-space, as part of European eLoran service. • Invitations to Tender issued in January 2007. • The General Lighthouse Authorities (GLAs) today (31 May 2007) announces the award of a prestigious fifteen-year contract to VT Communications (part of VT Group plc) for the provision of a state-of-the-art enhanced Loran (eLoran) radionavigation service to improve the safety of mariners in the UK and Ireland. • http://www.trinityhouse.co.uk/media_centre/press_releases/press_release.html?id=15001 • VT Communications awarded subcontracts to R.G. Nash & Associates, reelektronika, and Megapulse.

  3. Other Service eLoran Service MSF Service

  4. Interface Specification (ICDs) • Engineering Issues • Induced Voltages into T antenna and SSX • Monitor Performance in presence of other signals • Specifications developed for interfaces at: • Prime Power Input • Antenna Matching and Feed • Grounding • Mechanical Mounting • Clearances Required • Lighting & HVAC • 216 line items specified for fab, build, or buy

  5. Site Survey • General site survey • Antenna farm location survey and orientation tests - Day 1 • 2 pre-tuned NF-6 notch filter boxes and engineering antenna preamp - provided by Megapulse; • spectrum analyzer, scope, van, etc. - provided by VTC; • 2 locations surveyed; • several antenna orientations tried; • preamp overloading caused multiple harmonics in Loran band; • Antenna farm location survey and orientation tests - Day 2 • preamp gain reduced, antenna orientation adjusted - successful reception of Lessay; • Container "survey" (1/3 of the future building)

  6. VT Contract Announced by GLAs Kick off Meeting with Megapulse Rugby De-commissioning Engineering and Fabrication Monitor System Site Survey Site Works Off Airs for Antenna Measurement Testing into Dummy Antenna Testing into Antenna On-air 8940M May 31, 2007 Jun 28-29 Jul 2- Jul 6 Jul 1- Sep 4 Aug 14-15 Sep 11- Sep 20 Sep 25-26 Sep 27-28 Sep 30 Summary

  7. Questions?

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