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Game training / 2:35
Radar Basics 003: Electronic warfare, Nimrod and AWACS
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Read EW bearings and diamonds, then use airborne sensors to understand gaps in the radar picture.

What you’ll take away
- Strobes and EW diamonds
- Nimrod listening versus AWACS radar
- White tracks and faded tracks
Words used on this page
Choose an underlined term for a quick explanation, or browse the meanings here.
- EW
Electronic warfare: using or responding to electromagnetic signals, such as radio and radar. In these guides, separate listening for signals from jamming them.
Related guide: ew bearings- Bearing
The direction from one position towards another, normally expressed in degrees. In the game’s north-up map, 090 degrees points east; the starting position matters.
Related guide: range bearing- Bearing strobe
A line showing the direction towards a detected signal. One line does not tell you how far away the source is.
Related guide: ew bearings- AWACS
Airborne Warning and Control System: an aircraft carrying radar and control equipment. In this game, the E-3D Sentry provides the airborne radar picture.
Related guide: awacs coverage- Track
The system’s record of a contact over time, built from related reports. On the scope it is shown using a symbol and available information.
Related guide: plot or track- Faded track
A track that is no longer receiving fresh reports. It flashes to attract attention and can disappear if updates do not resume; that alone does not mean the aircraft was destroyed.
Related guide: faded tracks

