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Instrument used to locate airplanes?

transponder/radar


What do you mean by transponder?

That rather depends in which context you mean ! When I first saw this question - the transponder I immediately thought of - is the kind that's built-in to an aircraft. An aircraft transponder is a small box of electronics, that transmits a constant stream of data - including the plane's identity, height, speed and radar heading. The control tower sees the data alongside a corresponding 'blip' on the radar screen.


What is the name of a secondary radar system?

Secondary radar system are known as "Interrogator/Transponders" and are cooperative radar systems. The Interrogator transmits a pulse pattern that signals the kind of response they are looking for transponders that receive it. The transponder replies with a pulse pattern on a different frequency. Transponders can also carrier coded information that give more then just there position. Most typical transponder system is associated with Air Traffic Control Radar. Air Traffic Control systems integrate the primary radar return (non-cooperative return) with the position and coded data from the secondary radar (cooperative return) that will also provide flight information like Squawk code (a Unique ID) altitudes speed position etc. The maritime equivalent has three equivalents SART (Search and Rescue Transponder), Racon Buoys (Navigation transponders that respond to maritime radar pulse width) and a systems that is not really radar but is VHF transmission and is called AIS (Automatic Identification System) but perform similar information to the ATC system. However when the term Secondary Radar is used it almost always means ATC Interrogator Transponder system or the military version system.


What is the difference between radar identification and radar contact?

Radar identified refers to your aircraft's position presented on a ground based radar screen and by using a squawk code in the aircraft which corresponds to the ground based station your aircraft is then identified. Radar control refers to an aircraft already identified on the radar screen and flying in controlled airspace under an IFR flight plan and the ground based station would provide heading, speed and altitude you should fly at.


What do transponders on aircrafts do?

They do a few different things these days but their primary role is that of radar. The use of radar that flies from a station, hits the aircraft and bounces back to the station is very limited. In most normal situations the ground station sends out a signal. The transponder receives the signal and transmits the return signal. It allows for greater range of the radar and also allows extra info to be passed to the radar controller like height and aircraft ID. This is known as Secondary Radar.


How do you determine if a transponder key is bad for your car?

Locksmiths have transponder detectors that read if a transponder is active within a key. The device we have is called "TD3AII Transponder Detector" by Ilco.


Does the key for the 2000 Daewoo leganza have a transponder?

The Daewoo had NO transponder on any of their vehicles from 1999-2002. Incorrect. The Daewoo Leganza had a transponder option in 2001+, as did the Lanos. The Nubria had a transponder option in 2000+.


Have you forgotten your EZ Pass transponder?

Have you left behind your EZ Pass transponder?


How can I use EZ Pass without a transponder?

You cannot use EZ Pass without a transponder. The transponder is necessary for the system to detect and process your toll payment.


What is the different between primary and secondary RADAR?

the primary radar mostly we used for air traffic control and other civil society work but this primary radar will not cover the whole requirement data. But secondary radar system will give all the details which we required Also mostly we used for it for security purpose and we can take the IFF and SSR from this secondary


Were is transponder for door locks locate on 1994 Pontiac grandprix?

no transponder on '94 model


Can I use EZ Pass without a transponder?

No, you need a transponder to use EZ Pass.