Vallda - Station #4609
Latitude / Longitude:
57.46° / 11.92°
Elevation:
15 m
Operated By:
David E
Equipment Description:
COMAR SLR350Ni
Current Status & Statistics
| Status | LOW COVERAGE |
| Availability | 96.7% (2059 hours online / 2131 total hours) |
| Reception distance in nautical miles | Average: 2.8 / Max: 8.3 |
| Records received in 1 hour | Distinct Vessels: 5 / Positions: 1851 |
| Area Covered | 369 km2 |
Period Statistics
| Period | Availability | Reception Distance | Area Covered |
|---|---|---|---|
| 1 Month | 100% | 16 NM | 531.2 km2 |
| 2 Months | 95.3% | 16 NM | 615.9 km2 |
| 3 Months | 96.7% | 17 NM | 602.8 km2 |
| 6 Months | 98.2% | 15 NM | 410.3 km2 |
| 9 Months | 98.7% | 14 NM | 367.8 km2 |
Ais Message Type Statistics
| Message Type | Count |
|---|---|
| Total Ais Messages | 42.3 |
| MSG 1,2,3 - Position report - Class A | 30 |
| MSG 5 – Ship’s Static and Voyage related data | 0.6 |
| MSG 4 – Base Station report | 5.5 |
| MSG 6,8 – Binary messages | 0.3 |
| MSG 9 – SAR Aircraft position report | 0 |
| MSG 12, 14 – Safety related message | 0.1 |
| MSG 18 – Class B position report | 0.9 |
| MSG 19 – Extended Class B report | 0 |
| MSG 24 – Class B Ship’s Static data | 1 |
| MSG 21 – Aids-to-Navigation report | 0.3 |
| MSG 27 – Position report for Long-range applications | 0 |
| Other AIS Messages (AIVD) | 3.8 |
| Other Non-AIS messages | 0 |
| Errors | 0 |
| Inconsistent positions | 1 |