West Hills - Station #4921
Latitude / Longitude:
18.36° / -64.99°
Elevation:
166 m
Operated By:
Aqua Action Dive Center
Equipment Description:
SR161 AIS Receiver/AISDispatch
Current Status & Statistics
| Status | ONLINE |
| Availability | 98% (2112 hours online / 2157 total hours) |
| Reception distance in nautical miles | Average: 7.9 / Max: 86.1 |
| Records received in 1 hour | Distinct Vessels: 54 / Positions: 1948 |
| Area Covered | 1353 km2 |
Period Statistics
| Period | Availability | Reception Distance | Area Covered |
|---|---|---|---|
| 1 Month | 95.8% | 20 NM | 467.7 km2 |
| 2 Months | 97.4% | 19 NM | 377.3 km2 |
| 3 Months | 98% | 18 NM | 375 km2 |
| 6 Months | 98.9% | 20 NM | 369.5 km2 |
| 9 Months | 98.9% | 25 NM | 472 km2 |
Ais Message Type Statistics
| Message Type | Count |
|---|---|
| Total Ais Messages | 54.2 |
| MSG 1,2,3 - Position report - Class A | 27 |
| MSG 5 – Ship’s Static and Voyage related data | 1.3 |
| MSG 4 – Base Station report | 3 |
| MSG 6,8 – Binary messages | 0.3 |
| MSG 9 – SAR Aircraft position report | 0 |
| MSG 12, 14 – Safety related message | 0 |
| MSG 18 – Class B position report | 5.5 |
| MSG 19 – Extended Class B report | 0.1 |
| MSG 24 – Class B Ship’s Static data | 2.5 |
| MSG 21 – Aids-to-Navigation report | 13.9 |
| MSG 27 – Position report for Long-range applications | 0 |
| Other AIS Messages (AIVD) | 0.8 |
| Other Non-AIS messages | 0 |
| Errors | 0 |
| Inconsistent positions | 0 |