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Radio Wave news and technical articles from Military & Aerospace Electronics magazine. Search Radio Wave latest and archived news and articles

  1. Raytheon and Northrop Grumman to attack costs and complexity of AESA radar

    Magazine Articles

    Tue, 8 Jul 2014

    receivers that are composed of many small solid-state transmit and receive modules. AESA radars aim their beams by emitting radio waves from each module in different phases to focus radar energy in different directions. This kind of radar particularly lends

  2. Air Force picks Raytheon and Northrop Grumman to attack costs and complexity of AESA radar

    Online Articles

    Thu, 5 Jun 2014

    receivers that are composed of many small solid-state transmit and receive modules. AESA radars aim their beams by emitting radio waves from each module in different phases to focus radar energy in different directions. This kind of radar particularly lends

  1. Air Force considering AESA radar upgrades for B-1 and B-52 strategic bomber fleets

    Online Articles

    Tue, 11 Mar 2014

    radar systems to improve bomber surveillance and targeting capability. AESA radars aim their beam by emitting separate radio waves interfering constructively at certain angles off the antenna, Air Force officials say. With this technology change, Air

  2. Army revisits troposcatter communications technology as alternative to long-range SATCOM

    Magazine Articles

    Mon, 9 Sep 2013

    Troposcatter communications mode scatters radio waves as they pass through upper layers of ..... Only a small portion of troposcatter radio waves can be received, so large high-gain ..... communications typically are secure because their radio waves are difficult for enemies to intercept

  3. Navy uses UAV data to improve performance and stealth qualities of communications and radar

    Magazine Articles

    Mon, 9 Sep 2013

    owned research vessel RV Knorr to explore ocean and atmospheric weather variations that can change the angle that radar and radio waves bend, making it more difficult for ships to remain undetected and hindering their ability to communicate or locate adversaries

  4. Air Force officials select Ball Aerospace to develop Ion Velocity Meter to fly on microsatellite

    Online Articles

    Sat, 15 Feb 2014

    the IVM instruments will be used to characterize the ionosphere, providing information related to applications involving radio wave propagation. U.S. agencies led by the National Oceanic and Atmospheric Administration (NOAA) are now actively partnering

  5. Army revisits troposcatter communications technology as alternative to long-range SATCOM

    Online Articles

    Fri, 26 Jul 2013

    Troposcatter communications mode scatters radio waves as they pass through upper layers of ..... Only a small portion of troposcatter radio waves can be received, so large high-gain ..... communications typically are secure because their radio waves are difficult for enemies to intercept

  6. Air Force scours industry for replacement part to nuclear bomber communications system

    Online Articles

    Tue, 12 Mar 2013

    essentially tunes an antenna to enable it to transmit and receive radio waves efficiently over a relatively wide frequency range. Without ..... bands between about 2 and 30 MHz rely on relatively long radio waves that bounce off the layer of the atmosphere called the ionosphere

  7. DARPA to brief industry 18 March on program to create common RF phased array building blocks

    Online Articles

    Fri, 1 Mar 2013

    for the antenna to interact with radio waves ; and over-the-air coherent ..... aggregation. Phased arrays steer radio waves without using moving parts. These ..... or phases, to steer beams of radio waves . Building these arrays, however

  8. Research initiatives pumping new life into phased-array radar

    Video

    Mon, 19 Nov 2012

    ground sites and for aircraft. Cover radar surveillance is a bigger deal than it might sound. A radar bites nature transmits radio waves which alerts anyone nearby to its presence. Turning on a radar is kinda like sweeping a flashlight around a darkened room

    Radio Waves found at 2:45

    a bigger deal than it might sound. A radar bites nature transmits radio waves which alerts anyone nearby to its presence. Turning on a radar is kinda like sweeping a flashlight around a darkened room. You