To commemorate the 100th anniversary of the ITU Prefixes, look for special event station PB100PREFIX to be active between October 4-31st. QSL via PB0P.
After the tragic loss of the Titanic (Callsign MGY, the, "M", is from the Marconi company) in April 1912, there was an acknowledgement that there should be international standards for radio communications. Therefore, the leading colonial countries planned several meetings in the aftermath of the loss of the Titanic.
For more details, visit - http://www.PB100PREFIX.n