Sea Tel ST144-21 - Default Chapter; Table of Contents

Table of Contents
vii
1. INTRODUCTION .......................................................................................................................................................................................... 1-1
1.1. GENERAL DESCRIPTION OF SYSTEM ................................................................................................................................................................. 1-1
1.2. PURPOSE.................................................................................................................................................................................................................. 1-1
1.3. SYSTEM COMPONENTS........................................................................................................................................................................................ 1-1
1.4. DUAL ANTENNA CONFIGURATION ................................................................................................................................................................... 1-2
1.5. DUAL ANTENNA ARBITRATOR ........................................................................................................................................................................... 1-3
1.6. GENERAL SCOPE OF THIS MANUAL .................................................................................................................................................................... 1-3
1.7. QUICK OVERVIEW OF CONTENTS...................................................................................................................................................................... 1-3
2. SITE SURVEY .................................................................................................................................................................................................. 2-1
2.1. SITE SELECTION ABOARD THE SHIP ................................................................................................................................................................ 2-1
2.2. ANTENNA SHADOWING (BLOCKAGE) AND RF INTERFERENCE .................................................................................................................. 2-1
2.3. MOUNTING FOUNDATION ................................................................................................................................................................................. 2-2
2.3.1. Mounting on Deck or Deckhouse .......................................................................................................................................... 2-2
2.3.2. ADE Mounting Considerations ............................................................................................................................................... 2-2
2.3.3. Sizing of the support pedestal ................................................................................................................................................ 2-2
2.4. MOUNTING HEIGHT AND FORE-AFT LOCATION .......................................................................................................................................... 2-3
2.5. MAST CONFIGURATIONS ................................................................................................................................................................................... 2-3
2.5.1. Vertical Masts .................................................................................................................................................................................... 2-4
2.5.2. Raked Masts ....................................................................................................................................................................................... 2-4
2.5.3. Girder Masts ....................................................................................................................................................................................... 2-5
2.5.4. Truss Mast ........................................................................................................................................................................................... 2-5
2.6. SAFE ACCESS TO THE ADE ................................................................................................................................................................................ 2-5
2.7. BELOW DECKS EQUIPMENT LOCATION ........................................................................................................................................................... 2-5
2.8. CABLES .................................................................................................................................................................................................................... 2-6
2.8.1. ADE/BDE Coaxial Cables ............................................................................................................................................................ 2-6
2.8.2. Antenna Power Cable ................................................................................................................................................................... 2-6
2.8.3. Air Conditioner Power Cable .................................................................................................................................................... 2-6
2.8.4. ACU Power Cable/Outlet ............................................................................................................................................................ 2-7
2.8.5. Gyro Compass Cable ..................................................................................................................................................................... 2-7
3. INSTALLATION ............................................................................................................................................................................................. 3-1
3.1. GENERAL CAUTIONS & WARNINGS ................................................................................................................................................................. 3-1
3.2. SITE SELECTION ABOARD SHIP ......................................................................................................................................................................... 3-2
3.3. PREPARING FOR THE INSTALLATION................................................................................................................................................................ 3-2
3.3.1. Unpack Shipping Crates .............................................................................................................................................................. 3-2
3.3.2. Inspect / Inventory ........................................................................................................................................................................ 3-2
3.3.3. Prepare ADE Mounting Location ........................................................................................................................................... 3-2
3.3.4. Preparing BDE Location .............................................................................................................................................................. 3-2
3.3.5. Installing The System Cables .................................................................................................................................................. 3-3
3.4. ASSEMBLING THE ADE........................................................................................................................................................................................ 3-3
3.4.1. Preparing for Assembly of the ADE ..................................................................................................................................... 3-3
3.4.2. Sub-assemble the Base Frame Assembly ......................................................................................................................... 3-3
3.4.3. Sub-assemble the 168” Radome Assembly ..................................................................................................................... 3-6
3.4.4. Sub-assemble the Antenna Pedestal ................................................................................................................................ 3-14
3.4.5. Close the 168” Radome Assembly ..................................................................................................................................... 3-18
3.4.6. Prepare the 168” Radome ADE for Lift ........................................................................................................................... 3-19
3.5. INSTALLING THE ADE ...................................................................................................................................................................................... 3-20
3.5.1. Hoist ..................................................................................................................................................................................................... 3-20