9 incidents happened in 2005
Distribution of reports from Japanese VOSs
VOSs locations on websites
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.
Real time reports from Japanese VOSs 9/22 9/16 [Date] [Reports]
[ Number of ships ] Number of Japanese VOSs
Yamaguchi VOSs INMARSAT GTS Since September 22, 2005 Since September 22, 2005 JMA BBXX JGQH / // = Callsign Converted Non-Converted BBXX SHIP / // = Dummy Callsign (Non-Converted data) (Converted data) JMA cannot make enough quality checks on Japanese VOSs data.
Yamaguchi VOSs INMARSAT GTS An Exapmple to improve JMA BBXX JGQH / // = Callsign VOS want to use dummy Callsign ? Yes No Converted Non- Converted BBXX SHIP / // = Dummy Callsign (Non-Converted data) (Converted data) JMA can make quality checks on Japanese VOSs data. Is it globally agreeable?