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– Future Airport Development Plans
• Apply GBAS General Siting Requirements
– Power, Communications, Access, Security
• Meet GBAS Subsystem Siting Requirements
– Reference Receivers, Shelter, VDB Antenna
– Minimum & Maximum Separation
– Ensure Signal Coverage Volume
Dave Jensen/John Howard
8
CAAC New Technology Seminar – GBAS 29-30 October 2009
Flexible Siting
􀃆 Honeywell.com
SmartPathTM Installation
• Construct Infrastructure
– 4 Reference receiver footings and masts (up to 6 ft)
– Shelter (existing or build)
– VHF Antenna footing and mast (up to 35 ft)
– Trench and bury cabling
• Install GBAS Equipment
– Interconnect system components
• Baseline System Performance
– Identify system error bounds
– Identify unacceptable multipath regions 􀃆 mask
• Conduct 14-day Stability Test
• Complete Facility Approval
• Complete Operational Approval
Dave Jensen/John Howard
9
CAAC New Technology Seminar – GBAS 29-30 October 2009
Quick Installation
􀃆 Honeywell.com
Future Development
• Terminal Area Paths (TAP)
– Provide curved paths into final approach
– Provide missed approach path
– Provide guided departures
– Provide transition from RNP to GLS final
• Quantas has developed world’s first RNP to GLS final at Sydney
• Differential Correction Positioning Service (DCPS)
– RNP-0.1 achievable using positioning service
• Availability Enhancements
– Monitor optimization to reduce 0.50 cm accuracy
– Reduce system start-up time
• Category-II Precision Approaches
– >100 ft Decision Height (including CAT-I)
– Expect no HW upgrade for CAT-III
• Category-III Precision Approaches
– <100 ft Decision Height (including CAT-I)
– ICAO, RTCA requirements being approved, validated
Dave Jensen/John Howard
10
CAAC New Technology Seminar – GBAS 29-30 October 2009
Clear path to CAT-II and CAT-III
􀃆 Honeywell.com
Recap
• SmartPath is World’s First FAA-Certified CAT-I GBAS
• SmartPath Provides
– 26 GLS Approaches
– 14 GPS Integrity Monitors
– 13 GPS Corrections
– Integrity to 23 NM
– Critical redundant architecture
• SmartPath Leading the Way to
– Improved accuracy (<0.50 m)
– Curved paths into GLS final
– Missed approaches, guided departures
– Positioning service to support RNP-0.1
– CAT-II, CAT-III precision approaches
• Questions?
Dave Jensen/John Howard
11
CAAC New Technology Seminar – GBAS 29-30 October 2009
TELVENT
Almos
LLWAS
Low Level Windshear Alert System
Technical Proposal
Low Level Windshear Alert System
Title Low Level Windshear Alert System
Version 1
Date 30 November 2006
Ref
TELVENT Low Level Windshear Alert System
Almos
1
LLWAS
Low Level Windshear Alert System
Table of Contents
Technical Proposal ................................................................................0
1. Introduction…………………………………………………………………4
1.1 Company Background & LLWAS Experience...................................................4
1.2 LLWAS System Summary................................................................................5
2. System Description..............................................................................6
2.1 System Performance.......................................................................................6
2.1.1 System Performance Overview ..............................................................6
2.1.1 LLWAS Top Level Description ................................................................7
2.1.1.1 System Overview...............................................................................7
2.1.1.2 System Diagram..............................................................................10
2.1.2 Master Station (MS) ............................................................................10
2.1.2.1 Controller Hardware .......................................................................10
2.1.2.2 Master Station Computer Configuration.........................................12
2.1.2.3 Multi-port RS232 ............................................................................12
　
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