St Helena Bay - Station #4763
Latitude / Longitude:
-32.72° / 17.93°
Elevation:
8 m
Equipment Description:
COMAR SLR350Ni
Current Status & Statistics
| Status | ONLINE |
| Availability | 77.7% (1675 hours online / 2157 total hours) |
| Reception distance in nautical miles | Average: 11.1 / Max: 18 |
| Records received in 1 hour | Distinct Vessels: 12 / Positions: 158 |
| Area Covered | 615 km2 |
Period Statistics
| Period | Availability | Reception Distance | Area Covered |
|---|---|---|---|
| 1 Month | 99% | 35 NM | 820.6 km2 |
| 2 Months | 99% | 32 NM | 748.6 km2 |
| 3 Months | 77.7% | 30 NM | 748.9 km2 |
| 6 Months | 86% | 35 NM | 773.3 km2 |
| 9 Months | 87.8% | 33 NM | 793.3 km2 |
Ais Message Type Statistics
| Message Type | Count |
|---|---|
| Total Ais Messages | 16 |
| MSG 1,2,3 - Position report - Class A | 1.8 |
| MSG 5 – Ship’s Static and Voyage related data | 0.9 |
| MSG 4 – Base Station report | 10.4 |
| MSG 6,8 – Binary messages | 0.8 |
| MSG 9 – SAR Aircraft position report | 0 |
| MSG 12, 14 – Safety related message | 0 |
| MSG 18 – Class B position report | 0.9 |
| MSG 19 – Extended Class B report | 0 |
| MSG 24 – Class B Ship’s Static data | 0.3 |
| MSG 21 – Aids-to-Navigation report | 0.5 |
| MSG 27 – Position report for Long-range applications | 0 |
| Other AIS Messages (AIVD) | 0.6 |
| Other Non-AIS messages | 11 |
| Errors | 0 |
| Inconsistent positions | 0 |