U.s. Wide Area Augmentation System (waas) Update
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U.S. Wide Area Augmentation System (WAAS) Update Mitch Narins Air Traffic Organization Navigation Services May 2006
Federal Aviation Administration
Evolution of IFR Navigation in the National Airspace
VOR, DME, Tacan
WAAS
Four-course range
Loran C
NDB
Instrument Landing System
1930
1940
1950
CGSIC – Manchester, UK 7 May 2006
1960
1970
GPS
LAAS
Microwave Landing System
1980
1990
2000
2010
Federal Aviation Administration
2020 2
FY 2004 Operations & Maintenance Budget Allocation for Navigation Systems Fac # In NAS Total O&M ALS 142 $8,331,230 DF 119 $2,318,144 DFI 114 $1,031,264 DME 856 $23,418,182 DMER 116 $2,115,984 GS 1134 $35,261,276 IM 132 $2,960,289 LDIN 20 $570,666 LOC 1163 $37,534,788 LOM 538 $8,183,727 LRNCM 143 $1,597,984 MALS 95 $1,819,289 MALSR 803 $19,612,811 MLSA 17 $664,597 MLSD 16 $528,833 MLSE 18 $633,823 MM 679 $13,334,214 NDB 1166 $14,253,854 ODALS 64 $1,020,836 OM 881 $18,435,587 PAPI 684 $14,614,446 REIL 926 $6,487,197 RMCF 160 $3,140,904 RMSC 623 $6,259,274 RMVC 60 $532,090 RVR 340 $8,059,160 SSALR 18 $372,528 SSALS 3 $92,397 TACAN 5 $53,345 TACR 585 $15,002,272 VASI 1192 $14,516,833 VOR 1036UK $45,029,905 CGSIC – Manchester, VOT 105 $2,223,894 7 May 2006 WMS 7 $1,560,564
% of Total 2.56% 0.71% 0.32% 7.20% 0.65% 10.85% 0.91% 0.18% 11.55% 2.52% 0.49% 0.56% 6.03% 0.20% 0.16% 0.19% 4.10% 4.38% 0.31% 5.67% 4.50% 2.00% 0.97% 1.93% 0.16% 2.48% 0.11% 0.03% 0.02% 4.61% 4.47% 13.85% 0.68% 0.48%
Ann Fac Avg $58,671 $19,480 $9,046 $27,358 $18,241 $31,095 $22,426 $28,533 $32,274 $15,211 $11,175 $19,150 $24,424 $39,094 $33,052 $35,212 $19,638 $12,225 $15,951 $20,926 $21,366 $7,006 $19,631 $10,047 $8,868 $23,703 $20,696 $30,799 $10,669 $25,645 $12,179 $43,465 $21,180 $222,938
•
Precision Approach Systems Account for Approximately 42% of the Navigation Services Systems and almost 50% of the Annual O&M Budget Allocation for Navigation Services. – – – – – – – – – – – –
ALS – Approach Lighting System GS – Glide Slope IM – Inner Marker LOC - Localizer LOM – Locator Outer Marker MALS – Medium Intensity ALS MALSR – MALS w/Runway Alignment MM – Middle Marker OM – Outer Marker RVR – Runway Visual Range SSALR – Simplified Short ALS SSALS – Simplified Short ALS
Federal Aviation Administration
3
Intl Cooperation….. A Necessity
• • •
Approx. 77 million sq. km of total airspace Largest area of all ANSPs (Australia 2nd at 47 million sq. km) 15.15% of earth’s surface CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
4
Moving To a Performance Based NAS • FAA’s Goal Is To Design An Integrated, Performance Based National Airspace System That Can Meet The Needs Of Tomorrow And Satisfy ICAO’s Vision Of A Safe, Secure, And Seamless International Air Transportation System Presentation to: Regional Airline Association Flight Technology Committee
Name: Phil Leman Date: June 2, 2005 CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
5
What Is “Performance-Based” Navigation? • An End-to-End Air Transportation System Based On Performance Standards Rather Than Specific Technologies Or Equipment – Area Navigation (RNAV) – Required Navigation Performance (RNP)
• Recognizes The Ability Of Modern Aircraft To Operate Safely And Efficiently Using A Variety Of On-Board Systems and External Signals
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
6
GPS Background •
Designed as a dual-use system – Military applications for US and Allied use – Civilian applications for worldwide use – Open signal specification available to industry and all users, both US and International
•
GPS not originally designed to do many of the civil applications being done today – Modernization program in progress
•
Consistent U.S. National Policy from both Executive and Legislative branches – U.S. Public Law - December 1997 – U.S. Space-Based Positioning, Navigation, and Timing Policy – March 1996; updated December 2004
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
7
GPS User Range Error (URE) History 7
RMS URE (m)
6 5
Current Requirement 4.6 4.3
4
3.0
3
Act ua 2.7
2.1
2 1 0
l Pe
rfor m
1.8
a nc e 1.5
1.1
Current Objective
1990 1992 1994 1996 1997 1999 2001 2005 Year
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
8
GPS Modernization Path
Increasing System Capabilities Increasing Defense / Civil Benefit
Block IIA/IIR
Basic GPS • Std Service (16-24m SEP) – Single frequency (L1) – Coarse acquisition (C/A) code navigation • Precise Service (16m SEP) – Y-Code (L1Y & L2Y) – Y-Code navigation
CGSIC – Manchester, UK 7 May 2006
Block IIR-M, IIF IIR-M: IIA/IIR capabilities plus • 2nd civil signal (L2C) • M-Code (L1M & L2M) IIF: IIR-M capability plus • 3rd civil signal (L5)
Block III Block IIIA: • Increased anti-jam power • Increased security • Increased accuracy • Navigation surety • Backward compatibility • Assured availability • Controlled integrity • 4th civil signal (L1C)
Federal Aviation Administration
9
GPS Modernized Signals • L1 C/A – Available on all satellites – Backwards compatible for existing civil and military applications
• L2C - First available with IIR-M launch 21 Sep 05 – Configuration of signal determined via interagency process – Use for non-safety of flight applications, not in ARNS band
• L5 - First available with first GPS IIF launch (2007) – Improved signal structure enhances performance – WRC-2000 added signal component to protected aeronautical band – Interoperable with Galileo L1
• L1C - First available with first GPS III launch (2013) – Data-less signal component improves tracking performance – Interoperable with Galileo L1
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
10
New U.S. Policy • U.S. Space-based Positioning, Navigation, and Timing (PNT) Policy – Released by the President - December 15, 2004 – Replaced the 1996 U.S. GPS Policy
• Provide updated, comprehensive, and responsive guidance – Improved management processes for all spacebased PNT issues
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
11
WAAS • Operational System – Commissioned July 2003 • Enhances Navigation In All Phases Of Flight – Enroute, Arrival, and Departure: • Provides 100% Availability Of GNSS For Even The Most Critical RNP or RNAV Operations • Provides Coverage At All Altitudes From 100,000 Feet To The Surface • Provides Navigation Services To Users That Are Not Currently Served
– Approach: • Enhances Safety By Providing Vertical Guidance To Every Runway End In The Coverage Area • No Ground Hardware Required At Airport to Acquire Signal • Allows IFR Operations To All Qualified Airports
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
12
WAAS Operations •
FAA Technical Center continuously monitors the WAAS system Performance – 99% coverage over CONUS – There have been no HMIs since system inception – WAAS has experienced a number of outages since commissioning • Omits short outages due to GUS switchovers and minor ionospheric disturbances • Equates to 99.87% availability
•
Outages are classified into 4 categories – – – –
Total SIS outage (AOR-W, POR, or both) Major IONO storm (loss of service over all or most of CONUS) Minor IONO storm (loss of service over a portion of CONUS GUS switchovers • Many have occurred since commissioning. Adverse effect when there is not dual GEO coverage • User can lose LPV WAAS service for up to 5 minutes
•
WAAS has experienced several outages as of late during the upgrade process
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
13
WAAS Architecture
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
14
WAAS LPV Availability
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
15
WAAS Schedule • •
WAAS Commissioned Full LPV Performance – – – –
• •
2003 2003 – 2008
•
2007
13 additional reference stations Improved software efficiency System improvements will be brought online incrementally End state performance will result in greater availability of approach with vertical guidance (LPV - 250 foot minimums) • 99% CONUS • 95% in most of Alaska
• •
Two GEOs in view to all users over all CONUS and Alaska GLS Development
•
2015
– L5 frequency (block IIF & GPS III) – Better interference mitigation
•
Procedure Development ~ 300/yr
CGSIC – Manchester, UK 7 May 2006
•
2004 – 2028
Federal Aviation Administration
16
Development Activities: LPV • Hardware – 13 Additional Wide Area Reference Stations To Improve Availability And Coverage • • • •
4 Alaska 5 Mexico 4 Canada Equipment Upgrade Using Commercial Off The Shelf Hardware When Feasible
• Communications – Enhancing The Terrestrial Communications Network
• Software – More Efficient Integrity Monitor Algorithms – Enhanced O&M Efficiency
• Prime Contractor - Raytheon
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
17
Predicted Availability Gains
WAAS Commissioning - 2003
Full Capability - 2008
• Availability over the majority of CONUS improves from 99.5% to 99.9% • Alaskan availability improves from less than 75% to 99 – 99.9% • Significant availability gains in northeast and southern California, Texas, and Florida
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
18
Regional Cooperation •
•
USA, Canada, and Mexico Are Working Through The North American Aviation Trilateral (NAAT) To Cooperate On The Implementation of GNSS In The North American Region Canada And Mexico Will Host Additional WAAS Reference Stations – 5 Mexico • • • • •
Mexico City – Installed August 2005 Merida – Installed October 2005 Puerto Vallarta – Installed November 2005 La Paz – Surveyed in December, Installation Scheduled for August 2006 Tapachula – Surveyed in December, Installation Scheduled for August 2006
– 4 Canada • • • •
• •
Gander – Installed June 2005 Goose Bay – Installed September 2005 Iqaluit – Site Survey Completed August 2004, Installation Scheduled for August 2006 Winnipeg – Site Survey Completed October 2004, Installation Scheduled for August 2006
Provides WAAS Coverage In Canada And Mexico, Improves Availability For U.S. Expect Operational In 2006 And 2007 Respectively
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
19
GEO Satellite Improvements •
Commissioned system utilizes two Inmarsat satellites – Main problem is single coverage over the majority of the United States
•
Contract Awarded to Lockheed Martin to provide: – Leased payloads on up to 3 satellites – Ground infrastructure to support signal in space
•
POR 178°E
New AOR/W Position 142°W
Original AOR/W Position 54°W
Currently acquiring two satellite links – Provides dual coverage over entire United States – PanAmSat: Launched October 13th – Telesat: Launched September 9th
• •
Preliminary acceptance testing for both satellites expected to be complete Spring 2006 Expect operational by first quarter FY 07
CGSIC – Manchester, UK 7 May 2006
PanAmSat Telesat 133°W 107°W
Federal Aviation Administration
20
WAAS – GLS Development • •
Will Commence In 2008 In USA, GLS Capability Will Require Modernized GPS Constellation – Addition Of Second Frequency, L5 – Availability Of L5 For Operational Use By Aviation Expected By 2013 – FAA Ground Upgrade Complete In 2013
•
Hardware: – Upgrade of Reference Station Receivers To Receive L5
•
Software: – Broadcast Of WAAS Message On L5
• • •
Will Eliminate Loss Of Vertical Guidance Caused By Ionospheric Storms Full GLS Capability Throughout Coverage Area System Will Be Capable Of Augmenting Other Satellite Navigation System Constellations
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
21
Summary •
GPS – System is robust and operating above specifications – Modernized system will meet all aviation needs
•
WAAS – Commissioned For IFR Use On July 10, 2003, Incrementally Improving to Add Capability – Benefits All Classes Of Aviation Users, Enhancing Navigation In All Phases Of Flight – Supports RNP And Performance Based NAS – Aviation Receivers Available Today, More Coming To Market Over Next Three Years
•
FAA POC: Leo Eldredge, GNSS Program Manager ATO-W, Navigation Services 800 Independence Avenue, S.W. Washington, D.C. 20591 [email protected] CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
22
Federal Aviation Administration
Evolution of IFR Navigation in the National Airspace
VOR, DME, Tacan
WAAS
Four-course range
Loran C
NDB
Instrument Landing System
1930
1940
1950
CGSIC – Manchester, UK 7 May 2006
1960
1970
GPS
LAAS
Microwave Landing System
1980
1990
2000
2010
Federal Aviation Administration
2020 2
FY 2004 Operations & Maintenance Budget Allocation for Navigation Systems Fac # In NAS Total O&M ALS 142 $8,331,230 DF 119 $2,318,144 DFI 114 $1,031,264 DME 856 $23,418,182 DMER 116 $2,115,984 GS 1134 $35,261,276 IM 132 $2,960,289 LDIN 20 $570,666 LOC 1163 $37,534,788 LOM 538 $8,183,727 LRNCM 143 $1,597,984 MALS 95 $1,819,289 MALSR 803 $19,612,811 MLSA 17 $664,597 MLSD 16 $528,833 MLSE 18 $633,823 MM 679 $13,334,214 NDB 1166 $14,253,854 ODALS 64 $1,020,836 OM 881 $18,435,587 PAPI 684 $14,614,446 REIL 926 $6,487,197 RMCF 160 $3,140,904 RMSC 623 $6,259,274 RMVC 60 $532,090 RVR 340 $8,059,160 SSALR 18 $372,528 SSALS 3 $92,397 TACAN 5 $53,345 TACR 585 $15,002,272 VASI 1192 $14,516,833 VOR 1036UK $45,029,905 CGSIC – Manchester, VOT 105 $2,223,894 7 May 2006 WMS 7 $1,560,564
% of Total 2.56% 0.71% 0.32% 7.20% 0.65% 10.85% 0.91% 0.18% 11.55% 2.52% 0.49% 0.56% 6.03% 0.20% 0.16% 0.19% 4.10% 4.38% 0.31% 5.67% 4.50% 2.00% 0.97% 1.93% 0.16% 2.48% 0.11% 0.03% 0.02% 4.61% 4.47% 13.85% 0.68% 0.48%
Ann Fac Avg $58,671 $19,480 $9,046 $27,358 $18,241 $31,095 $22,426 $28,533 $32,274 $15,211 $11,175 $19,150 $24,424 $39,094 $33,052 $35,212 $19,638 $12,225 $15,951 $20,926 $21,366 $7,006 $19,631 $10,047 $8,868 $23,703 $20,696 $30,799 $10,669 $25,645 $12,179 $43,465 $21,180 $222,938
•
Precision Approach Systems Account for Approximately 42% of the Navigation Services Systems and almost 50% of the Annual O&M Budget Allocation for Navigation Services. – – – – – – – – – – – –
ALS – Approach Lighting System GS – Glide Slope IM – Inner Marker LOC - Localizer LOM – Locator Outer Marker MALS – Medium Intensity ALS MALSR – MALS w/Runway Alignment MM – Middle Marker OM – Outer Marker RVR – Runway Visual Range SSALR – Simplified Short ALS SSALS – Simplified Short ALS
Federal Aviation Administration
3
Intl Cooperation….. A Necessity
• • •
Approx. 77 million sq. km of total airspace Largest area of all ANSPs (Australia 2nd at 47 million sq. km) 15.15% of earth’s surface CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
4
Moving To a Performance Based NAS • FAA’s Goal Is To Design An Integrated, Performance Based National Airspace System That Can Meet The Needs Of Tomorrow And Satisfy ICAO’s Vision Of A Safe, Secure, And Seamless International Air Transportation System Presentation to: Regional Airline Association Flight Technology Committee
Name: Phil Leman Date: June 2, 2005 CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
5
What Is “Performance-Based” Navigation? • An End-to-End Air Transportation System Based On Performance Standards Rather Than Specific Technologies Or Equipment – Area Navigation (RNAV) – Required Navigation Performance (RNP)
• Recognizes The Ability Of Modern Aircraft To Operate Safely And Efficiently Using A Variety Of On-Board Systems and External Signals
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
6
GPS Background •
Designed as a dual-use system – Military applications for US and Allied use – Civilian applications for worldwide use – Open signal specification available to industry and all users, both US and International
•
GPS not originally designed to do many of the civil applications being done today – Modernization program in progress
•
Consistent U.S. National Policy from both Executive and Legislative branches – U.S. Public Law - December 1997 – U.S. Space-Based Positioning, Navigation, and Timing Policy – March 1996; updated December 2004
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
7
GPS User Range Error (URE) History 7
RMS URE (m)
6 5
Current Requirement 4.6 4.3
4
3.0
3
Act ua 2.7
2.1
2 1 0
l Pe
rfor m
1.8
a nc e 1.5
1.1
Current Objective
1990 1992 1994 1996 1997 1999 2001 2005 Year
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
8
GPS Modernization Path
Increasing System Capabilities Increasing Defense / Civil Benefit
Block IIA/IIR
Basic GPS • Std Service (16-24m SEP) – Single frequency (L1) – Coarse acquisition (C/A) code navigation • Precise Service (16m SEP) – Y-Code (L1Y & L2Y) – Y-Code navigation
CGSIC – Manchester, UK 7 May 2006
Block IIR-M, IIF IIR-M: IIA/IIR capabilities plus • 2nd civil signal (L2C) • M-Code (L1M & L2M) IIF: IIR-M capability plus • 3rd civil signal (L5)
Block III Block IIIA: • Increased anti-jam power • Increased security • Increased accuracy • Navigation surety • Backward compatibility • Assured availability • Controlled integrity • 4th civil signal (L1C)
Federal Aviation Administration
9
GPS Modernized Signals • L1 C/A – Available on all satellites – Backwards compatible for existing civil and military applications
• L2C - First available with IIR-M launch 21 Sep 05 – Configuration of signal determined via interagency process – Use for non-safety of flight applications, not in ARNS band
• L5 - First available with first GPS IIF launch (2007) – Improved signal structure enhances performance – WRC-2000 added signal component to protected aeronautical band – Interoperable with Galileo L1
• L1C - First available with first GPS III launch (2013) – Data-less signal component improves tracking performance – Interoperable with Galileo L1
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
10
New U.S. Policy • U.S. Space-based Positioning, Navigation, and Timing (PNT) Policy – Released by the President - December 15, 2004 – Replaced the 1996 U.S. GPS Policy
• Provide updated, comprehensive, and responsive guidance – Improved management processes for all spacebased PNT issues
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
11
WAAS • Operational System – Commissioned July 2003 • Enhances Navigation In All Phases Of Flight – Enroute, Arrival, and Departure: • Provides 100% Availability Of GNSS For Even The Most Critical RNP or RNAV Operations • Provides Coverage At All Altitudes From 100,000 Feet To The Surface • Provides Navigation Services To Users That Are Not Currently Served
– Approach: • Enhances Safety By Providing Vertical Guidance To Every Runway End In The Coverage Area • No Ground Hardware Required At Airport to Acquire Signal • Allows IFR Operations To All Qualified Airports
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
12
WAAS Operations •
FAA Technical Center continuously monitors the WAAS system Performance – 99% coverage over CONUS – There have been no HMIs since system inception – WAAS has experienced a number of outages since commissioning • Omits short outages due to GUS switchovers and minor ionospheric disturbances • Equates to 99.87% availability
•
Outages are classified into 4 categories – – – –
Total SIS outage (AOR-W, POR, or both) Major IONO storm (loss of service over all or most of CONUS) Minor IONO storm (loss of service over a portion of CONUS GUS switchovers • Many have occurred since commissioning. Adverse effect when there is not dual GEO coverage • User can lose LPV WAAS service for up to 5 minutes
•
WAAS has experienced several outages as of late during the upgrade process
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
13
WAAS Architecture
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
14
WAAS LPV Availability
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
15
WAAS Schedule • •
WAAS Commissioned Full LPV Performance – – – –
• •
2003 2003 – 2008
•
2007
13 additional reference stations Improved software efficiency System improvements will be brought online incrementally End state performance will result in greater availability of approach with vertical guidance (LPV - 250 foot minimums) • 99% CONUS • 95% in most of Alaska
• •
Two GEOs in view to all users over all CONUS and Alaska GLS Development
•
2015
– L5 frequency (block IIF & GPS III) – Better interference mitigation
•
Procedure Development ~ 300/yr
CGSIC – Manchester, UK 7 May 2006
•
2004 – 2028
Federal Aviation Administration
16
Development Activities: LPV • Hardware – 13 Additional Wide Area Reference Stations To Improve Availability And Coverage • • • •
4 Alaska 5 Mexico 4 Canada Equipment Upgrade Using Commercial Off The Shelf Hardware When Feasible
• Communications – Enhancing The Terrestrial Communications Network
• Software – More Efficient Integrity Monitor Algorithms – Enhanced O&M Efficiency
• Prime Contractor - Raytheon
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
17
Predicted Availability Gains
WAAS Commissioning - 2003
Full Capability - 2008
• Availability over the majority of CONUS improves from 99.5% to 99.9% • Alaskan availability improves from less than 75% to 99 – 99.9% • Significant availability gains in northeast and southern California, Texas, and Florida
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
18
Regional Cooperation •
•
USA, Canada, and Mexico Are Working Through The North American Aviation Trilateral (NAAT) To Cooperate On The Implementation of GNSS In The North American Region Canada And Mexico Will Host Additional WAAS Reference Stations – 5 Mexico • • • • •
Mexico City – Installed August 2005 Merida – Installed October 2005 Puerto Vallarta – Installed November 2005 La Paz – Surveyed in December, Installation Scheduled for August 2006 Tapachula – Surveyed in December, Installation Scheduled for August 2006
– 4 Canada • • • •
• •
Gander – Installed June 2005 Goose Bay – Installed September 2005 Iqaluit – Site Survey Completed August 2004, Installation Scheduled for August 2006 Winnipeg – Site Survey Completed October 2004, Installation Scheduled for August 2006
Provides WAAS Coverage In Canada And Mexico, Improves Availability For U.S. Expect Operational In 2006 And 2007 Respectively
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
19
GEO Satellite Improvements •
Commissioned system utilizes two Inmarsat satellites – Main problem is single coverage over the majority of the United States
•
Contract Awarded to Lockheed Martin to provide: – Leased payloads on up to 3 satellites – Ground infrastructure to support signal in space
•
POR 178°E
New AOR/W Position 142°W
Original AOR/W Position 54°W
Currently acquiring two satellite links – Provides dual coverage over entire United States – PanAmSat: Launched October 13th – Telesat: Launched September 9th
• •
Preliminary acceptance testing for both satellites expected to be complete Spring 2006 Expect operational by first quarter FY 07
CGSIC – Manchester, UK 7 May 2006
PanAmSat Telesat 133°W 107°W
Federal Aviation Administration
20
WAAS – GLS Development • •
Will Commence In 2008 In USA, GLS Capability Will Require Modernized GPS Constellation – Addition Of Second Frequency, L5 – Availability Of L5 For Operational Use By Aviation Expected By 2013 – FAA Ground Upgrade Complete In 2013
•
Hardware: – Upgrade of Reference Station Receivers To Receive L5
•
Software: – Broadcast Of WAAS Message On L5
• • •
Will Eliminate Loss Of Vertical Guidance Caused By Ionospheric Storms Full GLS Capability Throughout Coverage Area System Will Be Capable Of Augmenting Other Satellite Navigation System Constellations
CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
21
Summary •
GPS – System is robust and operating above specifications – Modernized system will meet all aviation needs
•
WAAS – Commissioned For IFR Use On July 10, 2003, Incrementally Improving to Add Capability – Benefits All Classes Of Aviation Users, Enhancing Navigation In All Phases Of Flight – Supports RNP And Performance Based NAS – Aviation Receivers Available Today, More Coming To Market Over Next Three Years
•
FAA POC: Leo Eldredge, GNSS Program Manager ATO-W, Navigation Services 800 Independence Avenue, S.W. Washington, D.C. 20591 [email protected] CGSIC – Manchester, UK 7 May 2006
Federal Aviation Administration
22
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