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NTRIP Demo

NTRIP Demo. SatRef Launch to Gov’t users 21 June 2006 Kenny CHAN – ALS/G(1). Why NTRIP?. Using DGPS / RTK Require Real-time Delivery of GPS data & corrections Existing modes of delivery: 1-to-1 connection – GSM/Radio linkage Radio Broadcast – e.g. Kau Yi Chau DGPS

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NTRIP Demo

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  1. NTRIP Demo SatRef Launch to Gov’t users 21 June 2006 Kenny CHAN – ALS/G(1)

  2. Why NTRIP? • Using DGPS / RTK • Require Real-time Delivery of GPS data & corrections • Existing modes of delivery: • 1-to-1 connection – GSM/Radio linkage • Radio Broadcast – e.g. Kau Yi Chau DGPS • Satellites – e.g. WAAS Geo-stationary Satellites • SatRef • GSM Connection • GPRS with customized Pocket PC program

  3. Why NTRIP? • Using Internet • NTRIP – “Networked Transport of RTCM in Internet Protocol” • RTCM standard since September 2004 • Open, generic, non-proprietary application-level protocol • Advantage of using Internet • Ubiquitous: Anytime, Anywhere, Live! • Network independent • Wired Internet via Phone/Data Line / Power Line / Cable TV … etc. • Wireless Internet via GPRS / EDGE / Wi-Fi / 3G / HSDPA … etc. • Device independent • PC / Notebook / Tablet PC / PDA / 2G/3G Mobile phones / UMPC…

  4. Using NTRIP • Hardware – Connect to Internet • Any PC / PDA / Mobile devices connected to Internet • Software – NTRIP Client • Demo: “GNSS Internet Radio for Windows” • Others: “GNSS Internet Radio for PPC”, “ArcNtrip”, “mobile-ntrip” … etc • GPS Receivers • DGPS: e.g. Garmin e-Trex Summit receivers … • RTK: e.g. Leica GPS System 500 …

  5. Using NTRIP • NTRIP-ready GPS Instrument • e.g. Leica GPS System 1200 + GSM/GPRS connection

  6. NTRIP Client Demo • Demo: • Get RTK Corrections from a GPS Reference Station in Frankfurt, Germany • Procedures: • 1. Connect the PC to Internet • 2. Download a NTRIP Client software • e.g. GNSS Internet Radio by BKG (Freeware) • 3. Install and Run the program

  7. NTRIP Client Demo • 4. Enter NTRIPCaster Information • Host Name, Port Number (usually 80 / 2101) • Username, Password • 5. Get and Select Stream from SourceTable • Browse the Sources available Worldwide • Download the stream • 6. Decode the Received Data • using RTCM decoder

  8. DEMO START

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