| Which of the following is the minimum license requirement of a GMDSS Radio Operator? |
| A) Holding the Marine Radio Operator Permit is a pre-requisite before the GMDSS Radio Operator Endorsement can be obtained. |
| B) Holding the General Radiotelephone Operator License with RADAR endorsement is sufficient. |
| C) Holding a valid GMDSS Radio Operator license is sufficient. |
| D) Holding either the General Radiotelephone Operator License or the First or Second Class Radiotelegraph license with GMDSS Radio Maintainer's endorsement is sufficient. |