Latitude / Longitude:
37.76° / -122.5°
Elevation:
53 m
Operated By:
ampledata
Equipment Description:
W2GMD QTH.dAISy 2+, Raspberry Pi 3, Shakespeare 8 Foot VHF Antenna, full view west towards the Pacific Ocean from San Franciscos Sunset District.
Current Status & Statistics
| Status | ONLINE  |
| Availability | 100% (2157 hours online / 2158 total hours) |
| Reception distance in nautical miles | Average: 12.1 / Max: 48 |
| Records received in 1 hour | Distinct Vessels: 38 / Positions: 1269 |
| Area Covered | 1230 km2 |
Period Statistics
| Period | Availability | Reception Distance | Area Covered |
|---|---|---|---|
| 1 Month | 100% | 55 NM | 1381.9 km2 |
| 2 Months | 100% | 54 NM | 1415.5 km2 |
| 3 Months | 100% | 51 NM | 1407.6 km2 |
| 6 Months | 95.3% | 45 NM | 1256.8 km2 |
| 9 Months | 95.5% | 42 NM | 1167.7 km2 |
Ais Message Type Statistics
| Message Type | Count |
|---|---|
| Total Ais Messages | 57.4 |
| MSG 1,2,3 - Position report - Class A | 18.1 |
| MSG 5 – Ship’s Static and Voyage related data | 0.6 |
| MSG 4 – Base Station report | 10.7 |
| MSG 6,8 – Binary messages | 0.1 |
| MSG 9 – SAR Aircraft position report | 0 |
| MSG 12, 14 – Safety related message | 0 |
| MSG 18 – Class B position report | 3 |
| MSG 19 – Extended Class B report | 0 |
| MSG 24 – Class B Ship’s Static data | 0.6 |
| MSG 21 – Aids-to-Navigation report | 24.1 |
| MSG 27 – Position report for Long-range applications | 0 |
| Other AIS Messages (AIVD) | 0.3 |
| Other Non-AIS messages | 0 |
| Errors | 0 |
| Inconsistent positions | 0 |