Sea Tel ST94-21 User manual

Sea Tel, Inc.
4030 Nelson Avenue
Concord, CA 94520
Tel: [phone]
Fax: [phone]
Web: http://www.cobham.com/seatel
Sea Tel Europe
Unit 1, Orion Industrial Centre
Wide Lane, Swaythling
Southampton, UK S0 18 2HJ
Tel: [phone]
Fax: [phone]
Web: http://www.cobham.com/seatel
Sea Tel Inc is also doing business as Cobham SATCOM - Maritime
July 1, 2015 Document. No. 136465 Revision A1
INSTALLATION AND OPERATION MANUAL
FOR SEA TEL MODEL
ST94-21 DUAL C/QUAD KU-BAND TVRO ANTENNA
EAR Controlled - ECCN EAR99
EAR Controlled - ECCN EAR99
This technical data is subject to US Government export control in accordance with
the Export Administration Regulations. Export of this data to any foreign country
or disclosure of this data to a Non-US person may be a violation of Federal law.

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Sea Tel Marine Stabilized Antenna systems are manufactured in the United States of America.
Sea Tel is an ISO 9001:2008 registered company.
Certificate Number 13690 issued March 14, 2011.
R&TTE
CE
The Series 97 Family of Marine Stabilized Antenna Pedestals with DAC-97 Antenna Control
Unit complied with the requirements of European Norms and European Standards EN 60945
(1997) and prETS 300 339 (1998-03) on July 20, 1999. Sea Tel document number 119360
European Union Declaration of Conformity for Marine Navigational Equipment is available on
request.
Copyright Notice
Copyright © 2012 Sea Tel Inc All Rights Reserved. The information contained in this document is proprietary to Sea Tel,
Inc.. This document may not be reproduced or distributed in any form without prior written consent of Sea Tel, Inc. The
information in this document is subject to change without notice. Sea Tel Inc, is also doing business as Cobham Antenna
Systems.
This document has been registered with the U.S. Copyright Office.
EAR Controlled - ECCN EAR99

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Revision History
REV
ECO#
Date
Description
By
A
N/A
April 11, 2012
Initial Production Release
MDN
A1
N/A
January 20, 2014
Update installation text and installation arrangement drawing
MDN
A2
N/A
July 1, 2015
Clerical corrections in specifications
MDN
EAR Controlled - ECCN EAR99

EAR Controlled - ECCN EAR99

Table of Contents
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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 .............................................................................................................................................................................2-4
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
2.8.6. Grounding......................................................................................................................................................................................2-7
3. INSTALLATION.............................................................................................................................................................................................3-1
3.1. GENERAL CAUTIONS &WARNINGS ........................................................................................................................................................... 3-1
3.2. SITE SELECTION ABOARD SHIP ................................................................................................................................................................... 3-2
3.3. PREPARATION .................................................................................................................................................................................................3-2
3.4. OPENING YOUR CRATES ................................................................................................................................................................................ 3-2
3.4.1. Location of Items inside the Crates.................................................................................................................................3-3
3.4.2. Base Frame and Reflector Crate........................................................................................................................................3-3
3.4.3. Pedestal Crate .............................................................................................................................................................................3-4
3.4.4. Radome Crate:.............................................................................................................................................................................3-5
3.5. UNPACKING THE BASE FRAME AND REFLECTOR CRATE ......................................................................................................................... 3-5
3.6. UNPACKING THE PEDESTAL CRATE ............................................................................................................................................................ 3-8
3.7. UNPACKING THE RADOME CRATE: ...........................................................................................................................................................3-10
3.8. ASSEMBLING THE ADE...............................................................................................................................................................................3-11
3.8.1. Preparing for Assembly of the ADE ..............................................................................................................................3-11
3.8.2. Sub-assemble the Base Frame Assembly...................................................................................................................3-11
3.8.3. Sub-assemble the bottom panels of the 144” Radome Assembly................................................................3-12
3.8.4. Sub-assemble the upper panels of the 144” Radome Assembly ...................................................................3-16
EAR Controlled - ECCN EAR99