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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 ...
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.
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Driver 802.11 Bus interface Wireless Security Monitor mode Master mode Ad-Hoc mode; a b g n ac ad ax WEP WPA WPA2; acx1xx: No Yes Yes No No ? ? PCI, Mini PCI, PC card, USB: Yes No No Yes Yes ? adm8211: No Yes No No No ? ? PCI: Yes ? ? Yes No Yes carl9170: Yes Yes Yes Yes No ? ? USB: Yes Yes Yes Yes Yes Yes ath5k: Yes Yes Yes No No ? ? PCI, Mini ...
CCID (chip card interface device) protocol is a USB protocol that allows a smartcard to be connected to a computer via a card reader using a standard USB interface, without the need for each manufacturer of smartcards to provide its own reader or protocol. [1]
AIM Call Out is a discontinued Voice over IP PC-PC, PC-Phone and Phone-to-PC service provided by AOL via its AIM application that replaced the defunct AIM Phoneline service in November 2007. [54] It did not depend on the AIM client and could be used with only an AIM screenname via the WebConnect feature or a dedicated SIP device.
NASA distinguishes between a "transceiver" and "transponder". A transceiver has an independent transmitter and receiver packaged in the same unit. In a transponder the transmit carrier frequency is derived from the received signal. The frequency linkage allows an interrogating ground station to recover the Doppler shift and thus infer range and ...
A GPS tracking unit, geotracking unit, satellite tracking unit, or simply tracker is a navigation device normally on a vehicle, asset, person or animal that uses satellite navigation to determine its movement and determine its WGS84 UTM geographic position (geotracking) to determine its location. [1]