CHIBA, JAPAN - Station #5003
Latitude / Longitude:
35.61° / 140.1°
Elevation:
15 m
Operated By:
JPCHBS
Equipment Description:
COMAR SLR350Ni v2 with AIS-GPA-X ANTENNA.A wireless LAN system comprises TP-link IEEE 802.11n/b/g Wi-Fi 2.4GHz
Current Status & Statistics
| Status | ONLINE |
| Availability | 99.8% (2151 hours online / 2157 total hours) |
| Reception distance in nautical miles | Average: 7.1 / Max: 34.8 |
| Records received in 1 hour | Distinct Vessels: 185 / Positions: 24863 |
| Area Covered | 2091 km2 |
Period Statistics
| Period | Availability | Reception Distance | Area Covered |
|---|---|---|---|
| 1 Month | 99.5% | 28 NM | 1966.1 km2 |
| 2 Months | 99.7% | 28 NM | 1976.4 km2 |
| 3 Months | 99.8% | 28 NM | 1998.6 km2 |
| 6 Months | 99.9% | 32 NM | 2183.7 km2 |
| 9 Months | 99.4% | 38 NM | 2381 km2 |
Ais Message Type Statistics
| Message Type | Count |
|---|---|
| Total Ais Messages | 471.1 |
| MSG 1,2,3 - Position report - Class A | 400.9 |
| MSG 5 – Ship’s Static and Voyage related data | 19.5 |
| MSG 4 – Base Station report | 8.1 |
| MSG 6,8 – Binary messages | 9.6 |
| MSG 9 – SAR Aircraft position report | 0 |
| MSG 12, 14 – Safety related message | 0.1 |
| MSG 18 – Class B position report | 13.5 |
| MSG 19 – Extended Class B report | 0.5 |
| MSG 24 – Class B Ship’s Static data | 5.3 |
| MSG 21 – Aids-to-Navigation report | 2.7 |
| MSG 27 – Position report for Long-range applications | 0 |
| Other AIS Messages (AIVD) | 11.1 |
| Other Non-AIS messages | 0 |
| Errors | 0 |
| Inconsistent positions | 0 |