Ships
3
Unique
2
Messages
536
Online
91%
Summary
AIS Receiver Station Boulder Top (ID: 1686) in Rockport, United States of America last sent a message 2025-03-14 16:09:32 UTC. The station received 536 messages from 3 different vessels over the last 60 minutes, with 2 vessels uniquely received by this station.
The availability of the station over the last 24 hours is 91%.
The maximum reception distance for a message over this period was 13.8 NMi for MMSI 538002220
Performance
Distance
Summary
| Name | Boulder Top |
| Station ID | 1686 |
| City | Rockport |
| Country | United States of America |
| Coordinates | 42.67° N, -70.63° E |
| Last Update | 2025-03-14 16:09:32 |
| Status | active |
| Messages (Last Hour) | 536 |
| Vessels (Last Hour) | 3 |
| Unique Vessels (Last Hour) | 2 |
| Online Rate (24h) | 91% |
| Max Reception Distance | 13.8 NMi (MMSI: 538002220) |