Present Situation of Radionavigation System in Japan. Masao Shinozaki Japan Coast Guard

Transcription

1 Present Situation of Radionavigation System in Japan Masao Shinozaki Japan Coast Guard

2 Major Radionavigation System Positioning System LORAN C Differential GPS Radar Beacon RAMARK Beacon Information provision System MICS (Type 16) VTS

3 LORAN C

4 International Cooperation Chains (FERNS) Alexandrovsk Okhotsk Petropavlovsk Attu Ussuriisk 40 Helong Tokatibuto 40 Rongcheng Pohang 30 Xuancheng Kwangju Niijima 30 Hexian Chongzuo 20 Gesash i Raopin g Minamitorishima

5 North West Pacific Chain (GRI:8930) Tokatibuto(Y) 40 Pohang(Z) Niijima(M) Gesashi(W) Minamitorishima (X)

6 Korean Chain (GRI:9930) Ussuriisk(Z) Pohang(M) 30 Kwangju(W) Niijima(Y) Gesashi(X)

7 Russia Chain (GRI:7950) Alexandrovsk(M) Okhotsk(Z) Petropavlovsk(W) Ussuriisk(X) 40 Tokatibuto(Y)

8 Position Accuracy and Recurrence Accuracy 2D Error GPS Loran C

9 Tsushima

10 Positioning accuracy comparison chart (1) Measurements (no correction) ASF correction Error correction red blue gray black Average range error less than100m Average range error 100m or more less than 500m Average range error 500m or more less than 900m Average range error 900m or more

11 Positioning accuracy comparison chart (2) Latitude 39.5 North measurements ASF Correction Error Correction Range deviation (m)

12 Differential GPS

13 DGPS Coverage 1 DGPS Center 27 DGPS sites DGPS Coverage

14 Local Marine Weather Information Japan Coast Guard Web Server JCSAT-1B Data VTS Center MICS Message Type 16 Message Type 16 Marine users Data Local CG Office MICS Weather Information Data (via Internet) Satellite Transmission System RTCM Message Local weather observation point DGPS Control Center DGPS Station

15 Display sample of Type 16 message Conventional Receiver Date (Day, Month, Year ), Time (HH,MM,SS) Reference Station ID Number Time (HH,MM), St.name, Wind direction, Wind Speed, Atmospheric pressure Prototype Receiver Sorry, Japanese character only! Display changes when pushed a button

16 Radar Beacon & RAMARK Beacon

17 Radar Beacon &RAMARK Beacon

18 M I C S (Maritime Information and Communication Services)

19 list of offices and centers providing the MICS service (As of April 1, 2004) Sakai Onomichi Kure Hiroshima Hamada Tokuyama Tsushima Fushiki Tsuruga Maizuru Akita Rumoi Otaru Muroran Niigata Monbets u Nemuro Kushiro Hakodat e Aomori Hachinoh e Fukushima Choshi Yokosuka Yokohama Chiba Tokyo Kanmon Kagoshima Aburatsu Naze Bisan Seto Kurushima Imabari Matsuyama Toba Osaka Osaka Komatsujima Nagoya Isewan 34 Regional JCG Offices 7 VTS Centers

20 Information from vessels Concept of MICS Concept of MICS CG Offices and VTS Centers Information from marine offices concerned Remote operation is available View Cam image from L.H. Electric message board Radio Editing & sending to Cellular Phone Internet Weather data or marine data from observation sites Phone / FAX Providing Fishery cooperative /home Ships Pleasure boats Marine users

21 Wave height measuring equipment used radar System composition Antenna (9GHz band) DGPS receiver Directional data & radar video signal Directional data & radar video signal Control & response time signal Wind direction & speed signal Wave height data Meteorological equip. Marine weather transmitting equip. Trans & Receiver Data processing unit : The wave height measuring equipment

22 Wave height measuring equipment used radar Possible coverage for measurement Coverage Circle line on 1 degree elevation Circle line on 10 degree elevation Antenna position Circle line on 3800 m in distance from Antenna position Radar antenna Horizontal coverage Coverage for measurement Average water level Vertical coverage 50 m or more in the depth Bottom of the sea

23 V T S (Vessel Traffic Services)

24 Vessel Traffic Advisory Service Senter Bisanseto Nagoya Ko Kanmon Kaikyo Tokyo Wan Kurusima Kaikyo Ise Wan Osaka Wan

25 Outline of Service at Traffic Advisory Service Center Information of other vessels movement Radar WD, WV, air pressure, visual range, etc. ITV Maritime accident navigation warnings, aids to navigation sign, etc. Provision of informati on General Information Medium-shot wave Telephone Internet Signal Light Electric signal board Individual information Navigation information Special information VHF radiotelephone General telephone Weather information Telephone service Other vessels Small vessels, fishing boats, and pleasure boats, etc. Vessels reporting current position information only Vessels applicable to navigation control Dept. of Coast Guard Viual range and track information of other vessels etc. Patrol Vessels Track information of fishing boats Navigation control Instruction and recommendation VHF radiotelephone General telephone Fax Huge vessels, etc. Information on navigation and current position Huge vessels, etc. Control Signal Electric signal board Navigation control Vessels subject to navigation control

26 Current AIS service areas Kanmon Straight VTS (under construction) Bisan-seto seto VTS (under construction) Ise Bay VTS (under construction) Tokyo Bay VTS 100 km 100 km

27 AIS service areas in 2007 Bisan-seto seto VTS Kanmon Straight Ise Bay VTS VTS Osaka Bay VTS Kurushima Straight VTS Tokyo Bay VTS 100 km 100 km

28 AIS service areas in the future BISAN-SETO VTS KANMONstraight VTS KURUSHIMAstraight VTS OSAKA bay VTS ISE bay VTS TOKYO bay VTS 250km 250km

29 AIS on-shore stations and regional frequency of Tokyo Bay VTS ch79b ( MHz) ch85b ( MHz) Regional frequency area Urayasu Honmoku North-east corner N E South-west corner N E Tokyo Bay VTS (Kannon-zaki) Katsu-ura Lighthouse Izu Oshima Lighthouse Nojimazaki Lighthouse Irozaki Lighthouse Stations operating on regional frequency (ch79,85) Stations operating on international frequency (ch87,88)

30 Display on VTS Radar operation desk 5576 P03 AIS operation desk (Switched between 3 screens) Graphic screen Static and dynamic data screen Message input screen