Inmarsat STD-B service is still active, even after all these years. On STD-B you will find voice, data and fax services Here are a couple of examples of recently received faxes via Inmarsat 3F3 Pacific Ocean Region (POR) at 178°.
NCS Frequency: 1538.230 MHz
Inmarsat Mini-M is also still active, you will also find voice, data and fax services. Mini-M is much more active than STD-B as it is a less expensive service and uses a much smaller antenna/dish. Here is an example of a recently received fax.
NCS Frequency: 1537.330 MHz
Ever wonder what a food order looks like for a ship at sea?