Annapolis - Station #5118
Latitude / Longitude:
38.97° / -76.48°
Elevation:
8 m
Operated By:
Annapolis School of Seamanship
Equipment Description:
COMAR SLR350Ni
Current Status & Statistics
| Status | ONLINE |
| Availability | 64.5% (1391 hours online / 2157 total hours) |
| Reception distance in nautical miles | Average: 1.5 / Max: 9.2 |
| Records received in 1 hour | Distinct Vessels: 38 / Positions: 1984 |
| Area Covered | 615 km2 |
Period Statistics
| Period | Availability | Reception Distance | Area Covered |
|---|---|---|---|
| 1 Month | 67.5% | 8 NM | 434.8 km2 |
| 2 Months | 46.8% | 8 NM | 459.5 km2 |
| 3 Months | 64.5% | 9 NM | 510 km2 |
| 6 Months | 82.2% | 8 NM | 569.7 km2 |
| 9 Months | 88.1% | 9 NM | 615.5 km2 |
Ais Message Type Statistics
| Message Type | Count |
|---|---|
| Total Ais Messages | 78.9 |
| MSG 1,2,3 - Position report - Class A | 25.4 |
| MSG 5 – Ship’s Static and Voyage related data | 1.9 |
| MSG 4 – Base Station report | 5.8 |
| 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 | 7.7 |
| MSG 19 – Extended Class B report | 0.1 |
| MSG 24 – Class B Ship’s Static data | 7.9 |
| MSG 21 – Aids-to-Navigation report | 29 |
| MSG 27 – Position report for Long-range applications | 0 |
| Other AIS Messages (AIVD) | 0.3 |
| Other Non-AIS messages | 53 |
| Errors | 0 |
| Inconsistent positions | 0 |