IARPA challenged to give small antennas higher gain

(Source: IEEE Spectrum via Dennis Dura) A Four-Year Program to Tackle a Fundamental Antenna Challenge - IARPA hopes to break past an 80-year-old limit on making small radio antennas more effective For 80 years, a class of antenna called electrically small antennas has been stymied by a seemingly insurmountable barrier. These antennas, which can receive [...]