August 2014 * Volume 37, Issue 8 The Journal of Electronic Defense | August 2014 4 News The Monitor 15 US Air Force Issues BAA for EW- And EMS-Related TENCAP Research. Washington Report 22 House Passes FY2015 Defense Spending Bill. World Report 24 UK Signals Regiment Seeks EME Generator. Features Back to the Future with HF SIGINT 28 John Haystead Today's HF SIGINT challenges aren't the same as yesterday's. New communications technology, as well as some unintended neglect among intelligence organizations, helps to explain why HF SIGINT is becoming a whole new game. HF SIGINT Battles the Ionosphere Barry Manz 32 Technology Survey: Solid-State Power Amplifiers 37 Ollie Holt The solid-state power amplifier market has become complex in terms of applications and crowded with competitors. This month's survey looks at what's available for EW, comms and radar systems. Departments 6 8 10 12 14 45 46 49 50 The View From Here Conferences Calendar Courses Calendar From the President Letters Book Reviews EW 101 Index of Advertisers JED Quick Look The spectrum between about 1 and 30 MHz, known as High Frequency (HF), presents unique SIGINT challenges. Cover photo iStockphoto.com.http://www.iStockphoto.com