GPS for reporting points?
Thread Starter
Join Date: Mar 2000
Location: On a radial
Posts: 361
Likes: 0
Received 0 Likes
on
0 Posts
GPS for reporting points?
Hi,
Just to start a topic, watched, what appeared to be an aged prog on Wings the other day, following a flight across the north atlantic to Frankfurt.
As i have no experience (yet) please bear with me...
As the aircraft travels out to say the east towards the uk, the aircraft will lose VHF radio contact with all stations, so will switch to HF. It is then necessary for pilots to report every 15mins to HF stations along the route??
Are there any systems in place that track the A/C via GPS and hence can cut the rt and pressure on the HF guys and gals??
Just a thing thats been bugging me this week!
Chris
Just to start a topic, watched, what appeared to be an aged prog on Wings the other day, following a flight across the north atlantic to Frankfurt.
As i have no experience (yet) please bear with me...
As the aircraft travels out to say the east towards the uk, the aircraft will lose VHF radio contact with all stations, so will switch to HF. It is then necessary for pilots to report every 15mins to HF stations along the route??
Are there any systems in place that track the A/C via GPS and hence can cut the rt and pressure on the HF guys and gals??
Just a thing thats been bugging me this week!
Chris
Join Date: Jun 2002
Location: Kandahar Afghanistan
Posts: 539
Likes: 0
Received 0 Likes
on
0 Posts
Chris,
Yes, the technology exists to track aircraft via GPS, similar to what you see with Delivery Trucks being tracked via GPS. Your next question should be why isn't it used. The answer will probably be cost (money).
Mike
NATCA FWA
Yes, the technology exists to track aircraft via GPS, similar to what you see with Delivery Trucks being tracked via GPS. Your next question should be why isn't it used. The answer will probably be cost (money).
Mike
NATCA FWA
Join Date: May 2004
Location: Europe
Posts: 6
Likes: 0
Received 0 Likes
on
0 Posts
The technolgy does exist and has been accepted by ICAO and will be the new standard in the future.
Its called VDL MODE 4
http://www.gpc.se/press/airtec1.htm
It was devoloped by Håkan Lans, a swedish inventor (same guy that came up with color monitors and a first prototype of the computer mouse)
For more information http://www.gpc.se/ (Lans own homepage)
Its called VDL MODE 4
http://www.gpc.se/press/airtec1.htm
It was devoloped by Håkan Lans, a swedish inventor (same guy that came up with color monitors and a first prototype of the computer mouse)
For more information http://www.gpc.se/ (Lans own homepage)
Join Date: Jan 2002
Location: USA
Posts: 394
Likes: 0
Received 0 Likes
on
0 Posts
Chris.
The thing you are talking about isautomatic dependent surveillance (ADS). There are about 3 or 4 flavors. What itdoes is mechanize/automate what is in essence the position report. A gizmo on the aircraft know where it is, sends the inforamtion to a radio transmitter on the aircraft that transmits the information to somebodys else that is/are interested. You can do it broadcast (ADS-B) you can do it only on request, you can do it automatically to a pre-programed interesteed party.
Problem with this is that the airplane must know where it is and must tell truthfully what the location is. Systems for this have been implemented in number of airlines using GPS receivers and satellite or HF communications. Over the wide Atlantic a VHF data link (like VDL Mode 4 that nobody has been able to get working with more than one aircraft at a time) will be in reliable range of fish mainly and the occasional passing ship, so in that geographic area VHF is a nonrunner.
The thing you are talking about isautomatic dependent surveillance (ADS). There are about 3 or 4 flavors. What itdoes is mechanize/automate what is in essence the position report. A gizmo on the aircraft know where it is, sends the inforamtion to a radio transmitter on the aircraft that transmits the information to somebodys else that is/are interested. You can do it broadcast (ADS-B) you can do it only on request, you can do it automatically to a pre-programed interesteed party.
Problem with this is that the airplane must know where it is and must tell truthfully what the location is. Systems for this have been implemented in number of airlines using GPS receivers and satellite or HF communications. Over the wide Atlantic a VHF data link (like VDL Mode 4 that nobody has been able to get working with more than one aircraft at a time) will be in reliable range of fish mainly and the occasional passing ship, so in that geographic area VHF is a nonrunner.
