Page ii GDL 88 TSO Installation ManualRev. A 190-01122-001 GENERAL DESCRIPTION .............................................................................................................. 1-11.1 Introduction ................................................................................................................................ 1-11.2 Equipment Description .............................................................................................................. 1-11.3 Technical Specifications ............................................................................................................ 1-21.3.1 Physical Characteristics ..................................................................................................... 1-21.3.2 General Specifications ....................................................................................................... 1-21.3.3 GPS/SBAS Specifications.................................................................................................. 1-31.3.4 978 MHz UAT Transceiver Specifications ........................................................................ 1-31.3.5 1030 MHz Transmitter Specifications ............................................................................... 1-41.3.6 1090 MHz Receiver Specifications .................................................................................... 1-41.3.7 UAT/1090 Requirements ................................................................................................... 1-51.3.8 GPS Antenna Requirements............................................................................................... 1-51.4 License Requirements ................................................................................................................ 1-61.5 Regulatory Compliance.............................................................................................................. 1-71.5.1 TSO Authorization and Advisory Circular References...................................................... 1-71.5.2 Non-TSO Functions ........................................................................................................... 1-81.5.3 TSO Deviations .................................................................................................................. 1-91.5.4 FCC Grant of Equipment Authorization ............................................................................ 1-91.6 Aviation Limited Warranty ...................................................................................................... 1-102 LIMITATIONS .................................................................................................................................. 2-12.1 Installation.................................................................................................................................. 2-13 INSTALLATION OVERVIEW ........................................................................................................ 3-23.1 Antenna Considerations ............................................................................................................. 3-23.1.1 GPS Antenna Location....................................................................................................... 3-24 INSTALLATION PROCEDURES.................................................................................................... 4-14.1 Unit and Accessories .................................................................................................................. 4-14.2 Optional Accessories.................................................................................................................. 4-24.2.1 GPS Antenna Options ........................................................................................................ 4-24.2.2 UAT Antenna Options ....................................................................................................... 4-34.3 Miscellaneous Options ............................................................................................................... 4-34.4 Installation Materials not Supplied ............................................................................................ 4-34.4.1 Installation Materials Required but not Supplied............................................................... 4-34.5 Special Tools Required .............................................................................................................. 4-34.6 Coaxial Cable Installation .......................................................................................................... 4-44.7 Equipment Mounting ................................................................................................................. 4-64.7.1 Unit Replacement ............................................................................................................... 4-64.8 Antenna Installation and Connections ....................................................................................... 4-6