Re: FAA Gives ADS-B Green Light for National Rollout
- From: "Thomas Lindberg" <thomas.h.lindberg@xxxxxxxxx>
- Date: Thu, 04 Dec 2008 11:04:11 GMT
A similar system is already in use in aviation, see
http://www.flygradar.nu/svealand.php for realtime info about the air traffic
above mid Sweden.
The ADS-B seems also to be more or less the same system as used in the
maritime world for a couple of years, there called AIS.
It is a world standard and is compuslory in vessels larger than 200 tons.
See http://aisserver.yachtmarine.com/US-NEWYORKHARBOR.html for realtime
info.
Credit should go to Håkan Lans who invented the system.
Thomas Lindberg
"Sam Wormley" <swormley1@xxxxxxxxx> wrote in message
news:4XYYk.405271$TT4.225890@xxxxxxxxxxxx
FAA Gives ADS-B Green Light for National Rollout
http://tl.gpsworld.com/gpstl/content/printContentPopup.jsp?id=568746
Dec 1, 2008
GPS World
The U.S. Federal Aviation Administration says it has approved a national
rollout of
automatic dependent surveillance - broadcast (ADS-B) air traffic control
following its
introduction in Southern Florida.
"ADS-B is the backbone of the future of air traffic control. NextGen is real
and, as of
today, NextGen is now," said Robert A. Sturgell, FAA acting administrator.
"President Bush
just last week stated that modernizing our aviation system is an urgent
challenge, and
today's announcement demonstrates that the Department of Transportation and
the FAA are
taking concrete steps to do just that." Bush signed an executive order
November 18
accelerating the implementation of ADS-B, according to the FAA.
ADS-B uses GPS signals to determine aircraft position, particularly for
airport approach
and departure. Aircraft transponders receive satellite signals; once per
second these
transponders in turn transmit their precise location, along with other
pertinent data from
the aircraft's flight monitoring system. Other aircraft equipped to receive
the data and
ADS-B ground stations up to 200 miles away receive these broadcasts. ADS-B
ground stations
add radar-based targets for non-ADS-B-equipped aircraft to the mix and send
all of the
information back up to equipped aircraft, along with information on weather
and flight
restrictions.
In September the ADS-B system reached a milestone, achieving so-called
initial operational
capability (IOC) in southern Florida with the installation of 11 ground
stations.
Sturgell's commissioning of essential services for ADS-B in Florida clears
the way for
nationwide deployment of the system by 2013, the FAA said.
By that time, the FAA plans to have 794 ground stations across the United
States that will
provide ADS-B services everywhere there is radar coverage today, with
further coverage in
places that lack radar coverage, including the Gulf of Mexico and Alaska.
Work at the
sites for the next implementations of ADS-B services - Juneau, Alaska;
Louisville,
Kentucky; the Gulf of Mexico; and Philadelphia - are scheduled for
completion by the end
of 2010.
Louisville actually became the first U.S. airport to utilize ADS-B, albeit
for
non-passenger flights; in January of this year the FAA approved United
Parcel Service's
use of ADS-B technology at its air transport hub in Louisville. The company
has been an
early proponent and active developer of the technology.
.
- References:
- FAA Gives ADS-B Green Light for National Rollout
- From: Sam Wormley
- FAA Gives ADS-B Green Light for National Rollout
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