Welgelegen - Station #4739
Latitude / Longitude:
-33.87° / 18.56°
Elevation:
100 m
Equipment Description:
COMAR SLR350Ni
Current Status & Statistics
| Status | ONLINE |
| Availability | 99.5% (2145 hours online / 2157 total hours) |
| Reception distance in nautical miles | Average: 30.9 / Max: 163.6 |
| Records received in 1 hour | Distinct Vessels: 51 / Positions: 8449 |
| Area Covered | 2706 km2 |
Period Statistics
| Period | Availability | Reception Distance | Area Covered |
|---|---|---|---|
| 1 Month | 100% | 85 NM | 2799.1 km2 |
| 2 Months | 99.3% | 79 NM | 2461.7 km2 |
| 3 Months | 99.5% | 78 NM | 2438.1 km2 |
| 6 Months | 99.7% | 83 NM | 2753.5 km2 |
| 9 Months | 99.8% | 84 NM | 2854.4 km2 |
Ais Message Type Statistics
| Message Type | Count |
|---|---|
| Total Ais Messages | 178.6 |
| MSG 1,2,3 - Position report - Class A | 134.3 |
| MSG 5 – Ship’s Static and Voyage related data | 8.3 |
| MSG 4 – Base Station report | 14.1 |
| MSG 6,8 – Binary messages | 4.4 |
| MSG 9 – SAR Aircraft position report | 0 |
| MSG 12, 14 – Safety related message | 0 |
| MSG 18 – Class B position report | 6.6 |
| MSG 19 – Extended Class B report | 0 |
| MSG 24 – Class B Ship’s Static data | 6.8 |
| MSG 21 – Aids-to-Navigation report | 0.9 |
| MSG 27 – Position report for Long-range applications | 0 |
| Other AIS Messages (AIVD) | 3.3 |
| Other Non-AIS messages | 61 |
| Errors | 0 |
| Inconsistent positions | 0 |