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Garmin
is proud to introduce the GDL 90™ — general
aviation's first certified ADS-B Universal Access
Transceiver (UAT).
The
GDL 90 is a TSO C145a remote-mount unit, certified to
support a broad array of Automatic Dependent
Surveillance-Broadcast (ADS-B) broadband services. It is
designed to interface with the MX20 multi-function
display and includes a TSO-C145a WAAS GPS sensor that
offers outstanding position accuracy and integrity.
The
GDL 90 uses ADS-B technology — a new technology that
allows pilots in the cockpit and air traffic controllers
on the ground to "see" aircraft traffic with
much more precision than has ever been possible before.
ADS-B can make flying safer and can provide more
efficient use of our airspace. It is the enabling
technology behind the FAA's vision for an air traffic
management concept known as "Free Flight."
The
Garmin GDL 90 is designed to transmit, receive and
decode ADS-B messages via a digital datalink. It
broadcasts your aircraft's position, velocity, projected
track, altitude, and flight identification to other
equipped aircraft in your vicinity, as well as to
ground-based transceivers maintained by the FAA.
The
broadband datalink itself operates on 978 MHz. It is
capable of data transmission rates in excess of 1
megabit per second, providing the bandwidth to transfer
large graphical weather files, TFRs, and traffic in real
time.
The
GDL 90 relies on the infrastructure that is part of the
FAA's Safe Flight 21 program. This program is currently
under development with implementation of the
ground-based portion of the ADS-B network taking place
along the East Coast and in Arizona. Additional
installations of ADS-B ground stations are planned for
Alaska and the Gulf of Mexico, with the rest of the U.S.
to follow.
The
ground stations can track aircraft movement and will
eventually be used to broadcast traffic and weather
services. Pilots equipped with the GDL 90 and operating
within the ground station coverage area will receive TIS-B
traffic, FIS-B weather, and TRF services free of charge.
There are no monthly fees or usage charges.
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