Launch of SatRef System Services

to Government Users

Hong Kong Satellite Positioning

Reference Station Network System

By K.K. CHAN, LS / G (K)

Hong Kong Satellite Hong Kong Satellite Positioning Positioning

Reference Station Reference Station NetworkNetwork (SatRef) (SatRef)

AGENDA:

Introduction The SatRef System The SatRef Functions The SatRef Knowledge Sharing Platform - Geodetic Survey Information - Geodetic Survey Knowledge The Way Forward - Future Developments of SatRef - NTRIPcaster Demo Q & A

The SatRef SystemThe SatRef System

Introduction

＊SatRef is the first CORS system in Hong Kong to cover the whole territory

＊The GPS data and correctional information of the SatRef improve the accuracy and efficiency of those positioning operations significantly

The SatRef SystemThe SatRef System

＊The SatRef Phase I Contract

(Feb 2000 – Dec 2001)

6 GPS Permanent Reference Stations (GPSRSs) were constructed in the northwest and northern part of the Hong Kong Territory

Control Centre in NPGO

Layout Plan of SatRef SystemLayout Plan of SatRef System

GPS Reference Station (Siu Lang Shui)GPS Reference Station (Siu Lang Shui)

The SatRef SystemThe SatRef System

＊The SatRef Phase II Contract

(Jan 2004 – May 2006)

6 GPSRSs were constructed in the Lantau Island, Hong Kong Island and eastern part of the territory

Modification of Control Centre

Data Centre at Powerbase Data Centre

Layout Plan of SatRef SystemLayout Plan of SatRef System

Shap Sze Heung GPS Reference Shap Sze Heung GPS Reference StationStation

The SatRef SystemThe SatRef System

Project Planning and Site Selection Stage:

- Planning Permissions for GPSRS

* Country Park

* Green Belt

* Site of Special Scientific Interest

Site within Sai Kung Country ParkSite within Sai Kung Country Park

Site within Green Belt and Special Scientific InterestSite within Green Belt and Special Scientific Interest

Drainage SystemDrainage System

Plantation of HedgePlantation of Hedge

Shap Sze Heung GPS Reference StationShap Sze Heung GPS Reference Station

The SatRef SystemThe SatRef System

Extn. of Time Under Construction Stage:

＊Bad weather (about 8 weeks)

＊Lightning Protection System (about 8 weeks)

＊Excavation Permit of LPS (about 8 weeks)

＊IT Security and Audit (about 18 weeks)

Lightning Protection System (LPS)Lightning Protection System (LPS)

Lightning Protection System (LPS)Lightning Protection System (LPS)

IT Security Policy of Lands D Ver 2.0 OGCIO Circular 07-2004

(Protection of IS from Security Attacks and

Infection by Computer Viruses/Worms)

G3 Internet Security Guidelines G50 Internet Gateway Security G54 Information Security Incident Handling

Guidelines

IT Security Policy & GuidelinesIT Security Policy & Guidelines

IT Security MeasuresIT Security Measures

Intrusion Detection Services IT Security Audit Services Business Continuity Plan and Disaster Reco

very Plan Information Security Incident Reporting Proc

edures No restricted data will be collected Common look and feel of web pages

Intrusion Detection Services Weekly Report (P.1)Intrusion Detection Services Weekly Report (P.1)Supplementary Weekly Intrusion Detection Report

CUSTOMER: LANDS DEPARTMENT REPORT DATE: 05-Jun-2006

LOCATION: Rm 2438, 24/F, North Point Government

Offices, 333 Java Road, North Point,

HK.

REPORT TO: Mr. LEUNG Yun-kui

CUSTOMER ID: HK00058

SERVICE PERIOD: 01 DEC 2005 – 30 NOV 2006

THIS WEEK LAST WEEK

FROM 29-May-2006 22-May-2006

TO 04-Jun-2006 28-May-2006

L4: Critical 0 0

L3: Serious 0 0

L2: Suspicious 0 0

L1: Informational 134,606 143,588

Top 5 Incident Types:

Incident Type Severity

ICMP PING NMAP Low

ICMP L3retriever Ping Low

NETBIOS SMB Session Setup NTMLSSP unicode asn1 overflow attempt Low

NETBIOS SMB IPC$ unicode share access Low

NETBIOS SMB-DS IPC$ unicode share access Low

Follow-up actions/issues: NIL

Intrusion Detection Services Weekly Report Intrusion Detection Services Weekly Report (P.2)(P.2)

Intrusion Detection Services Weekly Report (P.3)Intrusion Detection Services Weekly Report (P.3)

IT IT Security Audit Services (Project Schedule)Security Audit Services (Project Schedule)

IT IT Security Audit Services (Audit Report)Security Audit Services (Audit Report)

Common Look & Feel of SatRef Web PagesCommon Look & Feel of SatRef Web Pages

Common Look & Feel of SatRef Web PagesCommon Look & Feel of SatRef Web Pages

Summary of SatRef ImplementationSummary of SatRef Implementation

Feb 2000 – Dec 2001 Phase I Contract

May 2001 – Oct 2001 Planning Permission

2002 – 2003 Phase II Tendering

Jan 2004 – May 2006 Phase II Contract

Oct 2005 – Dec 2005 IDS implementation

Dec 2005 – June 2006 IT Security Audit

Thank you!

12 GPS Reference Stations

Data Centre

Control Centre

The SatRef SystemThe SatRef System

Static GPS Survey

(RINEX Data Downloading) RTK Survey

(Real-time Data Delivery) Automatic GPS Computation Admin Tools – Utilization Records

The SatRef FunctionsThe SatRef Functions

The SatRef Knowledge Sharing Platform - Geodetic Survey Information - Geodetic Survey Knowledge I & II

The Way Forward - Future Developments of SatRef - NTRIPcaster

Q & A

BreakBreak

Geodetic Survey Information Geodetic Survey Knowledge I Geodetic Survey Knowledge II Geodetic Survey Practice

The SatRef Knowledge Sharing PlatformThe SatRef Knowledge Sharing Platform