Editorial

Uncertain Times for DefenseADCs and DACs Penetrate Sacred Ground
By Barry Manz

The impact of converting analog signals to digital form is one of the greatest advances the electronics industry has ever achieved.
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Defense News

Northrop Grumman MMICs Speed AEHF Production
Northrop Grumman has fabricated more than 36,000 MMICs covering frequencies from 300 MHz to 300 GHz for the U.S. Air Force's fifth and sixth Advanced Extremely High Frequency (AEHF) satellites, speeding production of both spacecraft, according to Space Daily.

Article Highlights China Cruise Missile Threat
While the world focuses on China’s ballistic missiles, the country is rapidly developing advanced capabilities for its cruise missiles, according to The National Interest. This is occurring at the same time the U.S. Navy has limited the type and quantity of its own anti-ship cruise missiles, according to the article.

Iran Claims It Reverse-Engineered RQ-170 UAV
Iran says it has copied announced on Sunday that it has copied an RQ-170 Sentinel UAV that it says the country "commandeered" in 2011, after his allegedly being "brought down by the Iranian Armed Forces' electronic warfare unit" in December 2011, according to Iran's Tasnim News Agency. That Iran captured the UAV is not in doubt: U.S. President Barack Obama asked Iran sent to return it after it was captured.

Israeli Navy Gaining Greater Capabilities
The Israel Navy has begun a program to enhance its sea-to-surface missile capabilities, a senior naval source told The Jerusalem Post, who said that the efforts were part of a planned program to increase the role of the navy in integrated warfare capabilities.

House House to Keep A-10, Other Programs
The House Armed Services Committee (HASC) is opted to fund a broad array of projects and has stated its goal of protecting every possible defense system. For example, the committee left the Lockheed Martin F-35 Joint Strike Fighter largely intact and up the funding for Boeing's EA-18G Growler electronic attack aircraft.

EW Development Key Element of 2015 Budget
The proposed defense budget may be leaned out but electronic warfare will receive considerable funding as the need for it is growing, according to an interesting story in the LA Times.

Insight into Hypersonic Weapons
An article in The Interpreter published by the Lowy Institute for International Policy contains an interview by Harry Kazianis, a non-resident senior fellow at the China Policy Institute (University of Nottingham) with John Stillion, a senior fellow at the Center for Strategic and Budgetary Assessments (CSBA) into the workings of hypersonic weapons.

March 2014

Raytheon Back to Work on NGJ

Raytheon Space and Airborne Systems (McKinney, RX) is resuming work on the Navy’s Next Generation Jammer (NGJ) airborne EW program for the EA-18G Growler, after the Naval Air Systems Command at Patuxent River Naval Air Station (MD) confirmed the company’s $279.4 million contract award. BAE Systems had contested the award on several grounds.

 

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MMD March 2014

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Current Articles

Cut the Defense Budget? Sure, No Worries
The Obama administration and the President himself have always believed that the Department of Defense is like every other government agency: in tough economic times its budget must be cut like everything other agency.

HF SIGINT: A Return from the Dead?
Winston Churchill’s assessment of Ultra in winning World War II was joined by those of then-General Dwight D. Eisenhower who credited it as “decisive” and later by British intelligence official historian Sir Harry Hinsley, who flatly stated that it shortened the length of the war by “not less than two years and probably by four years.

Digital Technology is Removing the RF-to-Digital Divide
While defense systems are far from the first to realize the benefits of digital technology, they nevertheless obtain extraordinary benefits from it. However, one of greatest challenges remains the transformation of analog signals captured over the air into digital data streams--without using large amounts of intervening RF and microwave hardware.

The CDAA Antenna and the Wullenweber
A CDAA (Figure 1) of which the Wullenweber is a type, consists of a group of omnidirectional antennas symmetrically spaced about the periphery of a circular reflector screen. The location of each antenna with respect to the screen and to the adjacent antenna is such that by using a suitable antenna output scanning system, the array provides high unidirectional gain in all directions of azimuth.

 
 
 
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