Here are a couple of more of the ( St. ) decodes. Could this be caused by insufficient data in the coast station info???
<Selective call to a particular individual station> Called MMSI station address: 003669997 [Coast station: Miami FL MRCC Miami FL, MRCC Norfolk VA] (USA) Category: Safety MMSI self-identifier: 003369997 [Coast station: St. (Haiti)] (Haiti) Telecommand 1: Test Telecommand 2: No information Neither RX/TX frequencies nor position supplied Check Sum: error Date and time of decoding: 02/21/2014 05:07:21
<Selective call to a particular individual station> Called MMSI station address: 314012000 [Ship] (Barbados) Category: Safety MMSI self-identifier: 007251861 [Coast station: St. (Chile)] (Chile) Telecommand 1: Test Telecommand 2: No information No control by check sum. Date and time of decoding: 02/21/2014 06:30:30