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Navigational MSI to be broadcast 30 minutes earlier on HF radio from today

Sunday 30 November 2014

Due to more detailed reporting from the Bureau of Meteorology, it has become necessary to change Navigational Maritime Safety Information (MSI) broadcast times. A summary of the changes is below:

  1. The broadcast time of Navigational MSI will be shifted 30 minutes earlier, from 57 past the hour to 25 past the hour.
  2. The allocated time for Navigational MSI will be expanded from 3 minutes to 5 minutes.
  3. Dual broadcasts (25 and 57 past the hour) will occur from 1 December 2014 until 1 January 2015.  From 1 January 2015, the new arrangements (25 past the hour) will take effect.

The updated schedule is available on the Bureau of Meteorology's website.