NAV08/ILA37 Conference October 30, 2008 The Next Generation LF - - PowerPoint PPT Presentation

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NAV08/ILA37 Conference October 30, 2008 The Next Generation LF - - PowerPoint PPT Presentation

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NAV08/ILA37 Conference October 30, 2008 The Next Generation LF Transmitter and its Impact on Loran, eLoran, and Tactical (e)Loran Systems. Presented by Charles Schue With thanks to Nautel, Inc. & Symmetricom, Inc. 1 NAV08/ILA37

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NAV08/ILA37 Conference The Next Generation LF Transmitter and its Impact on Loran, eLoran, and Tactical (e)Loran Systems.

Presented by Charles Schue With thanks to Nautel, Inc. & Symmetricom, Inc.

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We are the exclusive worldwide Value Added Reseller of Nautel’s (e)Loran products.

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U.S. Air Force Space Command Commercial

What is the problem?

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Unclassified – Sep2008

What is the problem?

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Unclassified – Sep2008

What is the problem?

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NAV08/ILA37 Conference What is the “market”?

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NAV08/ILA37 Conference Real World GPS Case Study | President, GM OnStar | Oct 2007

In addition, OnStar uses GPS to be an effective advocate against crime – Targeted Amber alert with the National Center For Missing Children – Stolen Vehicle location – GM and Red Cross partner to provide information to those in crisis OnStar currently has over 5 million active subscribers OnStar will be standard across all General Motors retail vehicles in the U.S. & Canada (~4 Million per year)

  • “GPS location & clock are critical enablers for all OnStar services”

OnStar Monthly interactions (Avg. May-July ’07)

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NAV08/ILA37 Conference What are the solutions?

  • Loran
  • PNT service in use in many parts of the northern

hemisphere

  • eLoran
  • PNT&D service
  • Tactical (e)Loran
  • Deployable (e)Loran PNT&D service

Got eLoran?

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NAV08/ILA37 Conference Are you prepared? Why not?

$$?

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NAV08/ILA37 Conference Introducing the Next Generation LF (e)Loran Transmitter

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Control Board Exciter 375V Power Supply Power Amps (16 active, 2 spare) and Resistive Damping Modules (1 Active, 1 Spare) Harmonic Filter Antenna Current Probe Low Voltage Power Supply Antenna Tuning

Next Generation LF (e)Loran Transmitter

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NAV08/ILA37 Conference Next Generation LF (e)Loran Transmitter

RF amplifier

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Advanced User Interface (AUI)

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Proof-of-Concept Transmitter in Halifax, NS - April 2008

Next Generation LF (e)Loran Transmitter

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Proof-of-Concept Transmitter in Wildwood, NJ – May 2008

Next Generation LF (e)Loran Transmitter

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NAV08/ILA37 Conference Next Generation LF (e)Loran Transmitter

First pulses into 625-foot TLM: 1100, May 12, 2008

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NAV08/ILA37 Conference Next Generation LF (e)Loran Transmitter (Conceptual)

480 kW ERP Production Model NL Series Transmitter

(Maximum 1.84 m H x 2.88 m W x 1.12 m D)

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  • Dual exciters and controllers
  • Redundant power supplies
  • Advanced User Interface (AUI) with touch screen display

and web-enabled remote control/ monitoring capability

  • Automatic antenna tuning and pulse optimization
  • “Hot swappable” power amplifiers for on-air serviceability
  • Reserve power amplifiers allows soft fail capability

Next Generation LF (e)Loran Transmitter

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  • Modern/ State-of-the-Art design
  • Allows use of current and proposed modulation techniques
  • Highly stable pulse timing
  • Greater than 67% efficient AC in to RF out
  • Pulse Repetition Rates in excess of 600 PPS
  • MTTR 1 hour
  • LRU diagnostics & fault monitoring / Built-in analytics

Next Generation LF (e)Loran Transmitter

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NAV08/ILA37 Conference Next Generation LF (e)Loran Transmitter

 size

 weight  input power  maintenance  installation time  installation personnel  installation materials  HVAC  price  manufacturing time  logistics tail  training  staffing  shipping  sparing  …  efficiency  reliability (MTBF)  availability  continuity  accuracy  operational ease  PPS  soft fail capability  stability  diagnostics  analytics  flexibility  modulation types  modulation speed

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  • Take cost out of the system
  • apply new, cost effective technology
  • Reduce system risk
  • replace legacy equipment that is costly to
  • perate and maintain
  • Increase system agility
  • install technology capable of today’s enhancements
  • include some level of future-proofing
  • Win the Dr. Sally Basker “X-Prize” for innovative

public/ private applications of “high-speed” eLoran data service

Why a Next Generation LF (e)Loran Transmitter?

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  • Take cost out of the system,
  • Reduce system risk, and
  • Increase system agility?

So, how do we …

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NAV08/ILA37 Conference Goal: destination / Build: station

Popular Mechanics Magazine Photo

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NAV08/ILA37 Conference Goal: provide a service / Build: site

Miller Building Systems Thermo Bond Shelter One April 2000 Solution

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NAV08/ILA37 Conference Yesterday’s Systems

USCG Photos

  • Larger SWAIP
  • More expensive
  • More manpower intensive
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NAV08/ILA37 Conference Yesterday’s Systems

USCG Photos

  • Large SWAIP
  • Expensive
  • Manpower intensive
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NAV08/ILA37 Conference Today’s Systems

USCG Photos

  • Large SWAIP
  • Expensive
  • Less manpower intensive
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GLAs & VT Communications Photos

Today’s Systems

  • Smaller SWAIP
  • Less expensive
  • Less manpower intensive

3 container solution

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NAV08/ILA37 Conference Tomorrow’s Systems: (e)Loran-in-a-Box (ELB)

Alkan ISO 20-foot Container UPS NL Series 2’ x 2’ TFE Cs + Misc Gichner Trailerable “ELB”

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NAV08/ILA37 Conference Tomorrow’s Systems: NL Series-based (taking orders today)

  • Smallest SWAIP
  • Most economical
  • No staff

Maximum 6’ H x 12’ W x 3’ D 6’ H x 2’ W x 2.5’ D

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  • Augmentation to improve poor geometry
  • Determining optimum station/ site location
  • Testing station relocation
  • Component solutions (crisis contingency; temporary site)
  • Additional service/ sites – low to middle latitudes
  • Additional service/ sites – high latitudes
  • System backup (R21, GMDSS, NAIS – VTS, SCC)
  • Tracking and monitoring (convicts; telematics)
  • System replacement (TACAN)
  • High security event PNT&D (Presidential Inauguration)
  • Southern hemisphere

Some Applications

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finis