The leading pioneer in GPS technology

The StarFire Global Satellite Based The StarFire Global Satellite Based Augmentation SystemAugmentation System

Ron HatchRon HatchNavCom Technology, Inc.NavCom Technology, Inc.

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AgendaAgenda

Introduction

System Description

User Benefits/ Performance- StarFire Navigation- RTK Extend- System integrity

Summary

The leading pioneer in GPS technology

IntroductionIntroduction

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Who is NavCom Technology, Inc?Who is NavCom Technology, Inc?

Located in Southern California Major Business Areas

- Proprietary Products for precise positioning & wireless communication

- Product Services (Global Differential GNSS Corrections)

- Contract Engineering Acquired by Deere & Co. November 1999

- Technology steward- NavCom remains “pathfinder brand”

The leading pioneer in GPS technology

StarFireStarFireSystem DescriptionSystem Description

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What is StarFireWhat is StarFire

Worldwide Satellite Based Augmentation System (SBAS) Broadcasts satellite clock and orbit corrections Utilizes six L-band satellites in geosynchronous orbits to provide

duplicate global coverage

10 cm Positioning Anywhere, Anytime

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StarFire SystemStarFire System

User – Receivers and System

Control - Processing CenterSpace – Signal Distribution

Ground Tracking - Global Network

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StarFire System - GroundStarFire System - Ground

Ground Tracking - Global Network

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Reference Station NetworkReference Station Network

Over 50 Reference Stations Worldwide

The network tracks all GPS satellites continuously – GNSS upgrades in progress

Survey grade receivers Processing centers receive measurements from each reference station

once a second

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StarFire System - ControlStarFire System - Control

Control - Processing Center

Ground Tracking - Global Network

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StarFire Processing CentersStarFire Processing Centers

Two Processing Centers- Torrance, California- Moline, Illinois

Both Processing Centers Compute a Correction Stream for Satellites- Orbit Corrections once a minute (∆xyz ECEF)- Clock Corrections once every two seconds

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StarFire System - SpaceStarFire System - Space

Space – Signal Distribution Control - Processing Center

Ground Tracking - Global Network

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StarFire Uplink and Space SegmentStarFire Uplink and Space Segment

StarFire channels on global beams of 6 different L-band communication satellites

All users see StarFire signals from two sources

- Americas –Laurentides, Canada- Americas – Santa Paula, CA- Europe – Burum, Netherlands- Europe – Southbury, CT- Asia – Perth, Australia - Asia - Auckland, New Zealand

Redundant Uplink Sites and Satellites

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StarFire System - UserStarFire System - User

User – Receivers and System

Control - Processing CenterSpace – Signal Distribution

Ground Tracking - Global Network

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StarFire System PerformanceStarFire System Performance

Reliability achieved by ensuring no single point of failure and thorough monitoring- Redundancy throughout entire system

From reference sites to broadcast signals

- Extensive real-time monitoring internal checks real-time positioning results

- 99.999% availability Under 6 minutes of outage annually

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StarFire StarFire Integrated ReceiversIntegrated Receivers StarFire SF-3000

- Multi-frequency GNSS receiver- MEMs inertial attitude determination

StarFire SF-3050 Series - Military, Offshore, Machine Control markets- Full GNSS capability- CORS and Heading Functionality

StarFire SF-2040- Survey markets

Worldwide decimeter accuracy in real-Worldwide decimeter accuracy in real-timetime

SF-2040GGIS SensorSF-2040G

GIS Sensor

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ApplicationsApplications

Machine Guidance- Agriculture- Construction- Intermodal (port operations)

Offshore Survey Aerial Survey Autonomous Vehicles Land Survey

The leading pioneer in GPS technology

User BenefitsUser Benefits

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System Performance and User BenefitsSystem Performance and User Benefits

Real-time global accuracy- Less than 10 cm. one-sigma per

horizontal axis (20 cm. vertical) - No local base station - Transparent communication link- Global availability

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StarFire and Unaided Horizontal AccuracyStarFire and Unaided Horizontal Accuracy

24 hour data sample

-1.5

-1

-0.5

0

0.5

1

1.5

-2 -1.5 -1 -0.5 0 0.5 1 1.5 2-1.5

-1

-0.5

0

0.5

1

1.5

-2 -1.5 -1 -0.5 0 0.5 1 1.5 2

Error East (meters)

Erro

r N

orth

(m

eter

s)

- With StarFire augmentation

- Unaided

With StarFire augmentation 0.04Unaided (non-differential) 0.86

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RTK Extend bridges the gaps in RTK coverage RTK and StarFire operations all in ONE receiver Patented innovation exclusive to NavCom

RTK ExtendRTK Extend

RTK corrections No blockage.No problems.

Blockage!Problems!!!

StarFire corrections

Star

Fire

cor

rect

ions

Continuous cm-level positioning for up to 15 mins .

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-1

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1

0 10 20 30 40

Time (minutes)

Del

ta N

orth

ings

and

Eas

tings

(met

ers)

5

10

15

20

25

dGPS

Mod

e

err East err North dGPS ModeRTK gap #217 minutesall dynamic

RTK gap #14 minutesstationary

RTK gap #35 minutesstationary

Gap #2 Statistics East North UpAverage (m.) -0.02 0.01 0.01Std. Dev. (m.) 0.01 0.01 0.03Min (m.) -0.04 -0.02 -0.07Max (m.) 0.01 0.04 0.08

RTK Extend Dynamic Test ResultsRTK Extend Dynamic Test Results

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Additional Benefits from StarFire AugmentationAdditional Benefits from StarFire Augmentation

Integrity monitoring- Broadcast correction stream contains validity flags for each

satellite which are tightly monitored and controlled by the processing center software Most common satellite vehicle error, clock runoff, detected early – PRN 02

example from 2006

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PRN 30 - 02 June 2006 (Indian Ocean)PRN 30 - 02 June 2006 (Indian Ocean)

StarFire

Provided corrections for 36 Seconds and then disabled the satellite

GPS System

Invalid clock for 12 Minutes before setting the satellite unhealthy

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PRN30 Effect on StarFire PositioningPRN30 Effect on StarFire Positioning

NCT-2100D Receiver

Johannesburg, S.Africa

No Effect on StarFire Positioningfrom PRN30 Clock Issue

The leading pioneer in GPS technology

SummarySummary

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StarFire Key Features and DiscriminatorsStarFire Key Features and Discriminators

Only global SBAS owned and operated by a manufacturer of high precision GNSS receivers

Unique fusion of RTK with global SBAS RTK-extend

Reliable, global decimeter accuracy in one receiver

- Built-in StarFire capability

- Independence from local base

The leading pioneer in GPS technology

Questions?Questions?

The leading pioneer in GPS technology

Thank You!Thank You!

Please visitwww.navcomtech.com

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Global SBAS initialization timeGlobal SBAS initialization time

-1

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1

0 30 60 90 120

Time (minutes)

Posi

tion

Erro

r (m

eter

s)

err Up err North err East

30 to 60 minute pull-in (initialization) time before steady state accuracy achieved

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Global SBAS initialization with QuickStartGlobal SBAS initialization with QuickStart

-1

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1

0 30 60 90 120

Time (minutes)

Posi

tion

Erro

r (m

eter

s)

err Up err North err East

QuickStart applied using known position.

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RTK-X Augmenting RTK CoverageRTK-X Augmenting RTK Coverage

RTK-extend operational area

RTK Base Stations with range limits

Operational Area