Clair Crib Light. St. Mary's river traffic service From De Tour Reef Light to Ile Parisienne light. Here are some HF freqs used by various shore stations around the lakes. With VHF and now cellular phones these freqs end up used most often to provide weather reports and notice to mariners broadcasts. All listed are upper side band unless otherwise noted.
Docks use ships walkie-talkie frequency when actual loading is taking place.