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DARPA’s AMEBA effort developing transmitters that could communicate hundreds of kms in air, hundreds of meters underground and tens of meters underground


Modern day radio transmitters and receivers, the devices that uses electromagnetic wave signals to communicate through cellphones, radios and television, seem to be present everywhere.  The propagation of these electromagnetic waves has some limitation too,   Key among these is that radio frequency signals hit veritable and literal walls when they …

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As the threat of space warfare is increasing, Militaries are looking to troposcatter systems again as a backup to Satellite communication


US-based Comtech Systems has received a contract to supply the Swedish Defense Material Administration (FMV) with deployable troposcatter systems for the Swedish Armed Forces (SwAF). The latest $2.2m contract follows the assessment of commercial off-the-shelf (COTS) Comtech troposcatter products. As part of the evaluation, rigorous field-testing was carried out in …

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Gallium Nitride entering mainstream to enable IoT revolution, Cellular 5G to Military Communications, Radars and Jammers


Concerns over China gaining access to the secrets of producing Gallium nitride, a powdery yellow compound used in light-emitting diodes (LED), radar, antennas and lasers, appear to be behind the U.S. block on a 670 million-euro ($713 million) Chinese bid for German chip equipment maker Aixtron (AIXGn.DE). Aixtron-manufactured Gallium nitride technology,  has in …

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DARPA developing cognitive radio technologies that maintain communications even under severe jamming environment by Russian Electronic Warfare systems


During Recent ongoing Syrian conflict Russia has demonstrated many advanced weapons, one of which were advanced electronic warfare systems. U.S. Air Force Gen. Philip Breedlove, commander of U.S. European Command told the House Armed Services Committee: “They [Russians] have invested a lot in electronic warfare because they know we are …

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DARPA’s ultrahigh speed Analog-to-Digital converter (ADC) to improve performance of Radar, Electronic Warfare and Communications

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Electronic ADCs are embedded ubiquitously in numerous everyday items, such as mobile phones, digital cameras and computer mice. As the speed of electronic ADCs continues to increase, more and more sophisticated applications including medical imaging, 60GHz wireless communications and cognitive radar can benefit from the use of ADCs and digital …

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Many Militaries employing Over-The-Horizon radars in their air and maritime defence networks to detect and track stealth Aircrafts and Aircraft carriers


OTHR and HFSWR radars have become important element of air and maritime operations for defence of many countries including China, Australia, Iran, US and Russia.  They can defeat the stealth of aircrafts like the Northrop Grumman B-2 Spirit, F-35 or F-22 by detecting and tracking them from hundreds of kilometers. …

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