Potreo Hill - Station #1219
Latitude / Longitude:
37.75° / -122.4°
Elevation:
75 m
Equipment Description:
dAISy
Current Status & Statistics
| Status | ONLINE |
| Availability | 100% (2157 hours online / 2157 total hours) |
| Reception distance in nautical miles | Average: 3.5 / Max: 7.5 |
| Records received in 1 hour | Distinct Vessels: 51 / Positions: 1058 |
| Area Covered | 492 km2 |
Period Statistics
| Period | Availability | Reception Distance | Area Covered |
|---|---|---|---|
| 1 Month | 100% | 8 NM | 506.5 km2 |
| 2 Months | 100% | 8 NM | 459 km2 |
| 3 Months | 100% | 8 NM | 463.9 km2 |
| 6 Months | 97.6% | 8 NM | 418.6 km2 |
| 9 Months | 98.4% | 6 NM | 319.3 km2 |
Ais Message Type Statistics
| Message Type | Count |
|---|---|
| Total Ais Messages | 52.4 |
| MSG 1,2,3 - Position report - Class A | 17.6 |
| MSG 5 – Ship’s Static and Voyage related data | 4.7 |
| MSG 4 – Base Station report | 8.5 |
| MSG 6,8 – Binary messages | 1.1 |
| MSG 9 – SAR Aircraft position report | 0 |
| MSG 12, 14 – Safety related message | 0 |
| MSG 18 – Class B position report | 0.1 |
| MSG 19 – Extended Class B report | 0 |
| MSG 24 – Class B Ship’s Static data | 0.2 |
| MSG 21 – Aids-to-Navigation report | 16.6 |
| MSG 27 – Position report for Long-range applications | 0 |
| Other AIS Messages (AIVD) | 3.7 |
| Other Non-AIS messages | 0 |
| Errors | 0 |
| Inconsistent positions | 0 |