Certification: Six Month Service Endorsement

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45 L Street NE Washington, DC 20554

A Six Month Service Endorsement must be obtained by any holder of a T, T1 or T2 who wishes to serve as the sole radio operator on board a large U.S. cargo ship sailing on the high seas.

A product/equipment certification tests for knowledge about the use of proprietary software or hardware products. This classification is used primarily for computer-related companies such as IBM, CISCO, HP, etc.