042B D
 What is the purpose of the dedicated EGC receiver for A-1 area GMDSS Vessels?
a) To allow monitoring of the vessels location for AMVER tracking.
b) Simultaneous receipt and transmission of vessel SafetyNETTM messages.
c) To track which NAVAREA the vessel is currently in for receipt of MSI. 
d) To insure receipt of MSI in areas without NAVTEX coverage. 
