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 | 94.1% (2029 hours online / 2157 total hours) |
| Reception distance in nautical miles | Average: 31.2 / Max: 67.4 |
| Records received in 1 hour | Distinct Vessels: 42 / Positions: 1810 |
| Area Covered | 1722 km2 |
Period Statistics
| Period | Availability | Reception Distance | Area Covered |
|---|---|---|---|
| 1 Month | 82.5% | 31 NM | 765.4 km2 |
| 2 Months | 91.2% | 31 NM | 816.6 km2 |
| 3 Months | 94.1% | 34 NM | 887.4 km2 |
| 6 Months | 95.5% | 43 NM | 1037.2 km2 |
| 9 Months | 97% | 38 NM | 932 km2 |
Ais Message Type Statistics
| Message Type | Count |
|---|---|
| Total Ais Messages | 54.8 |
| MSG 1,2,3 - Position report - Class A | 29 |
| MSG 5 – Ship’s Static and Voyage related data | 0.5 |
| MSG 4 – Base Station report | 9.2 |
| 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 | 1.2 |
| MSG 19 – Extended Class B report | 0 |
| MSG 24 – Class B Ship’s Static data | 0.2 |
| MSG 21 – Aids-to-Navigation report | 14.3 |
| 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 |