Federal Railroad Administration Leonard W. Allen III Acting Chief Track and Infrastructure Division Track and Infrastructure Division Office of Research.

1Nationwide Differential Global Positioning System (NDGPS)

FederalFederalRailroadRailroad

AdministrationAdministration

Leonard W. Allen IIILeonard W. Allen III

Acting ChiefActing Chief

Track and Infrastructure DivisionTrack and Infrastructure Division

Office of Research and DevelopmentOffice of Research and Development

Federal Railroad AdministrationFederal Railroad Administration

Presented to:Presented to:

Russian Plenary Session GPS - GlonassRussian Plenary Session GPS - GlonassDecember 2005December 2005

Nationwide Differential Global Nationwide Differential Global Positioning SystemPositioning System

Nationwide Differential Global Positioning System (NDGPS) 2



December 2005

Differential GPS (DGPS)Differential GPS (DGPS)

ReferenceReferenceStationStation

.

Expanding the Coast Guard’s

DGPS into the

Nationwide DGPS

Expanding the Coast Guard’s

DGPS into the

Nationwide DGPS

Nationwide Differential Global Positioning SystemNationwide Differential Global Positioning System




December 2005

Current NDGPS CoverageCurrent NDGPS Coverage

NewSt. Marys

WV

GWEN BoboMS

New Dandridge

TN

GWENEssex CA

M to GMequon

WI

GWENKlamath

FallsOR

NewPoplarBluffMO

NewBig Lake

TX

GoodingIdaho

FundedCompletion2005-2006

NewMarshall

TX

Approximately 92% of the lower 48 states has single coverage and

60% has dual coverage.

Approximately 92% of the lower 48 states has single coverage and

60% has dual coverage.




December 2005

International StandardInternational Standard

NDGPS is designed to an international, NDGPS is designed to an international, non-proprietary standardnon-proprietary standard Compliant with RTCM SC-104 Compliant with RTCM SC-104

and ITU-R M.823 and ITU-R M.823 Increases market for manufacturers Increases market for manufacturers Enhances Global interoperabilityEnhances Global interoperability

Signal is free to all usersSignal is free to all users 50 other countries operate 50 other countries operate

compatible systems compatible systems Resulting in a seamless Resulting in a seamless

international navigation systeminternational navigation system

Acceptance of the international standardAcceptance of the international standardis leading to a seamless worldwide service.is leading to a seamless worldwide service.Acceptance of the international standardAcceptance of the international standardis leading to a seamless worldwide service.is leading to a seamless worldwide service.




December 2005

Nationwide Differential Global Nationwide Differential Global Positioning System (NDGPS)Positioning System (NDGPS)

ApplicationsApplications

Five Categories of NDGPS ApplicationsFive Categories of NDGPS ApplicationsFive Categories of NDGPS ApplicationsFive Categories of NDGPS Applications

1. Original Code-Based NDGPS Applications 1. Original Code-Based NDGPS Applications 1 - 3 meters1 - 3 meters

Navigation, Precision Farming, Positive Navigation, Precision Farming, Positive Train Control, Dredging, Buoy Positioning, Train Control, Dredging, Buoy Positioning, Resource Management & GIS Resource Management & GIS

2. Real-Time High Accuracy NDGPS Apps2. Real-Time High Accuracy NDGPS Apps 10-15 10-15 centimeterscentimeters

Real-time Automated Surveying of Roads, Real-time Automated Surveying of Roads, Railroads & Harbors; Highway Lane Keeping;Railroads & Harbors; Highway Lane Keeping; Machinery Control; & Auto-Docking of Ships Machinery Control; & Auto-Docking of Ships

3. Post-Processing NDGPS Applications3. Post-Processing NDGPS Applications 1 - 3 1 - 3 centimeterscentimeters

Very Accurate Surveying, Mapping, & HydrographyVery Accurate Surveying, Mapping, & Hydrography

4. Stationary Scientific NDGPS Applications4. Stationary Scientific NDGPS Applications 2 - 3 millimeters2 - 3 millimeters

Plate Tectonics Monitoring & Earthquake PredictionPlate Tectonics Monitoring & Earthquake Prediction

5. Weather Forecasting Application5. Weather Forecasting Application Water Vapor Water Vapor InfoInfo

1. Original Code-Based NDGPS Applications 1. Original Code-Based NDGPS Applications 1 - 3 meters1 - 3 meters

Navigation, Precision Farming, Positive Navigation, Precision Farming, Positive Train Control, Dredging, Buoy Positioning, Train Control, Dredging, Buoy Positioning, Resource Management & GIS Resource Management & GIS

2. Real-Time High Accuracy NDGPS Apps2. Real-Time High Accuracy NDGPS Apps 10-15 10-15 centimeterscentimeters

Real-time Automated Surveying of Roads, Real-time Automated Surveying of Roads, Railroads & Harbors; Highway Lane Keeping;Railroads & Harbors; Highway Lane Keeping; Machinery Control; & Auto-Docking of Ships Machinery Control; & Auto-Docking of Ships

3. Post-Processing NDGPS Applications3. Post-Processing NDGPS Applications 1 - 3 1 - 3 centimeterscentimeters

Very Accurate Surveying, Mapping, & HydrographyVery Accurate Surveying, Mapping, & Hydrography

4. Stationary Scientific NDGPS Applications4. Stationary Scientific NDGPS Applications 2 - 3 millimeters2 - 3 millimeters

Plate Tectonics Monitoring & Earthquake PredictionPlate Tectonics Monitoring & Earthquake Prediction

5. Weather Forecasting Application5. Weather Forecasting Application Water Vapor Water Vapor InfoInfo

Categories of ApplicationsCategories of Applications ProvidesProvides




December 2005

High Accuracy NDGPS High Accuracy NDGPS Program ObjectivesProgram Objectives

Develop a nationwide 3-D dynamic Develop a nationwide 3-D dynamic positioning service that has an accuracy positioning service that has an accuracy of less than 15 centimeter and time to of less than 15 centimeter and time to alarm integrity of less than 2 secondsalarm integrity of less than 2 seconds

Coexist with existing NDGPS Coexist with existing NDGPS infrastructure infrastructure

Do not degrade existing NDGPSDo not degrade existing NDGPS

Minimize deployment costsMinimize deployment costs




December 2005

Broadcast Site Broadcast Site ConfigurationConfiguration

TRANSMITTERTRANSMITTER

DIPLEXERDIPLEXER

REFERENCE

STATION

DATADATA

FORMATTERFORMATTERMODULATORMODULATOR

TRANSMITTERNDGPS

HIGH ACCURACYNDGPS

NDGPS &HA NDGPSTO ANTENNA

OBSERVABLES

CORRECTIONS

Rack Mount PC

DSP/Analog CardDSP/Analog Card




December 2005

High Accuracy NDGPSHigh Accuracy NDGPS

110-15 centimeters at 150 miles 0-15 centimeters at 150 miles on a dynamic platform (boat).on a dynamic platform (boat).




December 2005

Development of Development of High Accuracy DGPS High Accuracy DGPS

International StandardInternational Standard The United Kingdom, Germany and Japan have The United Kingdom, Germany and Japan have

expressed an interest in working with the US on an expressed an interest in working with the US on an international standard for High Accuracy DGPS. international standard for High Accuracy DGPS.

Russia is a major user of DGPS.Russia is a major user of DGPS. The combination of Russia, Europe, Japan and U.S. The combination of Russia, Europe, Japan and U.S.

represents about 90% of the world DGPS users.represents about 90% of the world DGPS users. Does Russia want to work with the UK, Japan, Does Russia want to work with the UK, Japan,

Germany and U.S. on development of an international Germany and U.S. on development of an international standard for High Accuracy Differential GPS? standard for High Accuracy Differential GPS?

If so, I need contact information on Russia’s point of If so, I need contact information on Russia’s point of contact.contact.




December 2005

Federal Railroad AdministrationFederal Railroad AdministrationOffice of R&D, Mail Stop 20Office of R&D, Mail Stop 201120 Vermont Ave. N.W.1120 Vermont Ave. N.W.Washington, DC 20590Washington, DC 20590

Federal Railroad AdministrationFederal Railroad AdministrationOffice of R&D, Mail Stop 20Office of R&D, Mail Stop 201120 Vermont Ave. N.W.1120 Vermont Ave. N.W.Washington, DC 20590Washington, DC 20590

Nationwide Differential Nationwide Differential Global Positioning System Global Positioning System

Len Allen Len Allen Acting ChiefActing Chief

Track and Infrastructure DivisionTrack and Infrastructure DivisionOffice of Research & DevelopmentOffice of Research & Development

Len Allen Len Allen Acting ChiefActing Chief

Track and Infrastructure DivisionTrack and Infrastructure DivisionOffice of Research & DevelopmentOffice of Research & Development

Phone: (202) 493-6329Phone: (202) 493-6329Fax: (202) 493-6333Fax: (202) [email protected]@fra.dot.govWeb: www.fra.dot.govWeb: www.fra.dot.gov

Phone: (202) 493-6329Phone: (202) 493-6329Fax: (202) 493-6333Fax: (202) [email protected]@fra.dot.govWeb: www.fra.dot.govWeb: www.fra.dot.gov

Federal Railroad Administration Leonard W. Allen III Acting Chief Track and Infrastructure Division Track and Infrastructure Division Office of Research.

Documents

buoy positioning

single coverage

dual coverage

coast guards dgps

accurate surveying

positive train control

new marshall tx

machinery control autodocking