Garmin GDL 88, Installation Manual

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GDL 88 TSO Installation Manual Page 1-1
190-01122-00 Rev. A
1 GENERAL DESCRIPTION
1.1 Introduction
This manual is applicable for GDL 88 units with software version 2.00 or later. This manual describes the
physical, mechanical, and electrical characteristics, as well as instructions and other conditions and
limitations for installation and approval of the GDL units. Refer to Section 2, Limitations, for additional
information and other considerations.
NOTE
Except where specifically notes, references made to GDL 88 will equally apply to
GDL 88 with GPS/SBAS, GDL 88D, and GDL 88D with GPS/SBAS units.
Table 1-1. GDL 88 Units
Model Part Number
GDL 88 010-00859-00
GDL 88 with GPS/SBAS 010-00860-00
GDL 88D 010-00861-00
GDL 88D with GPS/SBAS 010-00862-00
1.2 Equipment Description
The GDL 88 is a remote-mounted product that contains a 978 MHz Universal Transceiver (UAT) and a
1090 MHz receiver. The GDL 88 will transmit ownship ADS-B data via the UAT data link. It will receive
data from other UAT and 1090ES equipped aircraft, as well as Flight Information Service Broadcast
(FIS-B) weather. The received data may be output to an appropriate display.
The GDL 88 Series consist of four variations:
GDL 88
GDL 88, with an internal GPS/SBAS receiver
GDL 88D with dual antenna diversity
GDL 88D, with dual antenna diversity and an internal GPS/SBAS receiver