1. PURPOSE. To provide communications personnel with Coast Guardtactics, techniques, and procedures (CGTTP) for using theradiotelephone.2. ACTION. The provisions of this CGTTP apply to all Coast Guardpersonnel conducting voice telecommunications by radiotelephone.Internet release is authorized.3. DIRECTIVES/TTP AFFECTED. This publication supersedes theRadiotelephone Handbook, CGTTP 6-01.1.4. DISCUSSION. The Radiotelephone Handbook is a user's guideaddressing proper radiotelephone procedures. It consolidates portionsof International Telecommunication Union (ITU) radio regulations andvarious allied communications publications (ACPs) into a single sourcereference for field use.