AIS in the Straits area?

[Guest]

I'm seeing the American Mariner now west of the Mackinaw, and American Spirit should be in the Straits of Mackinaw in the early morning on Saturday.

https://www.marinetraffic.com/en/ais/ho ... 5.8/zoom:9

[Guest]

What about Marine Traffic?

[Guest]

I have been at the Straits of Mackinac for the last few days and have watched a good number of freighters go by under the bridge. None have them have shown up on Boatnerd AIS tracking. I also pull up the Mackinac Bridge webcam regularly and sometimes see a ship going by in real time and it doesn’t show up on AIS. Does anyone out there know why this is?

Lack of coverage. Either not enough shore-based receivers or the ones that exist are offline for some reason.

[Guest Jon Paul]

I live in Mackinaw City and have offered many times to have the AIS equipment in my home to facilitate coverage for the area but so far have been unable to get Boatnerd's cooperation in getting it done.

[Guest]

I have been at the Straits of Mackinac for the last few days and have watched a good number of freighters go by under the bridge. None have them have shown up on Boatnerd AIS tracking. I also pull up the Mackinac Bridge webcam regularly and sometimes see a ship going by in real time and it doesn’t show up on AIS. Does anyone out there know why this is?