Search results
Results From The WOW.Com Content Network
IFF is a combat identification system that uses a transponder to respond to radar signals and identify friendly or hostile forces. Learn about the history, types and modes of IFF, and how it works with different frequencies and formats.
A radar beacon (racon) is a device that returns a distinctive signal when triggered by a radar, providing range, bearing and identification information. Learn about the principle of operation, the characteristics, the applications and the proposal for enhanced RACON.
VHF Data Link (VDL) is a means of sending information between aircraft and ground stations using VHF band. VDL Mode 2 is the main version of VDL for CPDLC and has 12 channels in Europe, while VDL Mode 4 is used for ADS-B and other applications.
AOL Mail offers secure and personalized email with features like AOL Mail, news, and weather for free. You can also access your email on the go with an iOS & Android app and get help from experts.
Learn about the different modes of aviation transponders, such as Mode S, which provides multiple information formats to a selective interrogation. Mode S transponders are compatible with Mode A and C Secondary Surveillance Radar (SSR) systems and are required for Airborne Collision Avoidance System (ACAS) functions.
This is a partial list of awareness ribbons.The meaning behind an awareness ribbon depends on its colors and pattern. Since many advocacy groups have adopted ribbons as symbols of support or awareness, ribbons, particularly those of a single color, some colors may refer to more than one cause.
Find out the notable month-long observances around the world, such as Dry January, Black History Month, LGBT Pride Month, and more. Learn about the origins, purposes, and dates of these recurrent months that raise awareness, commemorate, or celebrate something.
DEFCON is a system of five levels of readiness for the US Armed Forces, ranging from normal to nuclear war. Learn about the definition, history, and examples of DEFCON levels, and how they differ from other similar systems.