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  2. Airport surveillance radar - Wikipedia

    en.wikipedia.org/wiki/Airport_surveillance_radar

    Various modes exist from Mode 1 to 5 for military use, to Mode A, B, C and D, and Mode S for civilian use. Only Mode C transponders report altitude. Busy airports usually require all aircraft entering their airspace to have a mode C transponder which can report altitude, due to their strict requirements for aircraft altitude spacing; this is ...

  3. HDMI - Wikipedia

    en.wikipedia.org/wiki/HDMI

    [5]: §4.2.6 It also added the new HDMI type C "Mini" connector for portable devices. [5]: §4.1.1 [101] HDMI 1.3a was released on November 10, 2006, and had cable and sink modifications for HDMI type C, source termination recommendations, and removed undershoot and maximum rise/fall time limits. It also changed CEC capacitance limits, and CEC ...

  4. Air traffic control radar beacon system - Wikipedia

    en.wikipedia.org/wiki/Air_traffic_control_radar...

    Mode 3/A is used to identify each aircraft in the radar's coverage area. Mode C is used to request/report an aircraft's altitude. Two other modes, mode 4 and mode S, are not considered part of the ATCRBS system, but they use the same transmit and receive hardware. Mode 4 is used by military aircraft for the Identification Friend or Foe (IFF ...

  5. Download, install, or uninstall AOL Dialer - AOL Help

    help.aol.com/articles/aol-dialer-download-and...

    About favorite places (AOL Desktop) View my plan; Download, install, or uninstall AOL Dialer ... • Windows 7, Windows 8, Windows 8.1, Windows 10 • 1024 x 768 or ...

  6. Traffic collision avoidance system - Wikipedia

    en.wikipedia.org/wiki/Traffic_collision...

    A traffic alert and collision avoidance system (TCAS), pronounced / ˈ t iː k æ s / TEE-kas), also known as an Airborne Collision Avoidance System (ACAS), [1] is an aircraft collision avoidance system designed to reduce the incidence of mid-air collision (MAC) between aircraft.

  7. MIFARE - Wikipedia

    en.wikipedia.org/wiki/MIFARE

    Permits AES-protected over-the-air updates even to Crypto1 application sectors (SL1SL3 mix mode). Transaction MAC The card can produce an additional message-authentication code over a transaction that can be verified by a remote clearing service, independent of the keys used by the local reader during the transaction.

  8. Stingray phone tracker - Wikipedia

    en.wikipedia.org/wiki/Stingray_phone_tracker

    The rogue base station can send a 'Cipher Mode Settings' element (see GSM 04.08 Chapter 10.5.2.9) to the phone, with this element clearing the one bit that marks if encryption should be used. In such cases the phone display could indicate the use of an unsafe link—but the user interface software in most phones does not interrogate the handset ...

  9. Automatic equipment identification - Wikipedia

    en.wikipedia.org/wiki/Automatic_equipment...

    An AEI tag attached to the side of a freight car. Automatic equipment identification (AEI) is an electronic recognition system in use with the North American railroad industry.