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Station is LOW COVERAGE

undef.net - Station #81

US
Apprentice (2016)
Latitude / Longitude: 37.76° / -122.5°
Elevation: 53 m
Equipment Description: dAISy
     

Current Status & Statistics

Status LOW COVERAGE Station is LOW COVERAGE
Availability 65.3% (1409 hours online / 2160 total hours)
Reception distance in nautical miles Average: 7.1 / Max: 9.3
Records received in 1 hour Distinct Vessels: 2 / Positions: 10
Area Covered 369 km2

Period Statistics

Period Availability Reception Distance Area Covered
1 Month 100% 21 NM 579.5 km2
2 Months 98% 21 NM 559.7 km2
3 Months 65.3% 21 NM 559.7 km2
6 Months 50.6% 20 NM 552.1 km2
9 Months 59.2% 18 NM 664.1 km2

Ais Message Type Statistics

Message Type Count 
Total Ais Messages 4.4
MSG 1,2,3 - Position report - Class A 1.9
MSG 5 – Ship’s Static and Voyage related data 0
MSG 4 – Base Station report 0.7
MSG 6,8 – Binary messages 0.2
MSG 9 – SAR Aircraft position report 0
MSG 12, 14 – Safety related message 0
MSG 18 – Class B position report 0.7
MSG 19 – Extended Class B report 0
MSG 24 – Class B Ship’s Static data 0.2
MSG 21 – Aids-to-Navigation report 0.4
MSG 27 – Position report for Long-range applications 0
Other AIS Messages (AIVD) 0.4
Other Non-AIS messages 0
Errors 0
Inconsistent positions 0