Note that the MCA is sometimes referred to as the cranking amperes or CA. Define the difference between MCA and CCA. The marine cranking ampere (MCA) rating of a battery is very similar to the CCA rating; the only difference is that while the CCA is measured at a temperature of 0Â°F, the MCA is measured at 32Â°F. All
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In the maritime community, satellite communication systems such as Inmarsat provide good communication links to ships at sea. These links use a VSAT type device to connect to geosynchronous satellites, which in turn link the ship to a land based point of presence to the respective nations telecommunications system.