1. 9 incidents happened in 2005

2. Distribution of reports from Japanese VOSs

3. VOSs locations on websites

4. September 22, 2005 September 16, 2005 Maritime bureau of Ministry of Land, Infrastructure and Transport (MLIT) asked the CSOs to suspend making weather observation reports due to exposure of ship’s callsign and position on public websites. MLIT asked the CSOs to resume making weather observation reports by using dummy callsign “SHIP”. Since then, JMA had discussed with relevant parties (Shipowners’ Association, MLIT, Coast Guard) to seek for measures to resume making weather observation reports.

5. Real time reports from Japanese VOSs 9/22 9/16 [Date] [Reports]

6. ［ Number of ships ］ Number of Japanese VOSs

7. Yamaguchi VOSs INMARSAT GTS Since September 22, 2005 Since September 22, 2005 JMA BBXX JGQH 26034 99070 11623 41/97 70103 10283 20230 40079 57018 70222 83963 22263 00294 1//03 20100 32414 40702 50702 70016= Callsign Converted Non-Converted BBXX SHIP 26034 99070 11623 41/97 70103 10283 20230 40079 57018 70222 83963 22263 00294 1//03 20100 32414 40702 50702 70016= Dummy Callsign (Non-Converted data) (Converted data) JMA cannot make enough quality checks on Japanese VOSs data.

8. Yamaguchi VOSs INMARSAT GTS An Exapmple to improve JMA BBXX JGQH 26034 99070 11623 41/97 70103 10283 20230 40079 57018 70222 83963 22263 00294 1//03 20100 32414 40702 50702 70016= Callsign VOS want to use dummy Callsign ？ Yes No Converted Non- Converted BBXX SHIP 26034 99070 11623 41/97 70103 10283 20230 40079 57018 70222 83963 22263 00294 1//03 20100 32414 40702 50702 70016= Dummy Callsign (Non-Converted data) (Converted data) JMA can make quality checks on Japanese VOSs data. Is it globally agreeable?