Antenna Assists MW Power Transmission May 17, 2010 This rectenna dipole element uses matching stubs for increased power capability and improved efficiency for microwave-power-transmission applications at 5.8 GHz. Extract Petroleum With Microwaves Oct 21, 2009 Microwave heating effects can help extract crude petroleum from abundant tar sand and oil shale by means of applicators capable of generating evanescent electromagnetic fields. Electronically Steerable Antenna Cuts Low Profile Jan 15, 2007 A compact electronically steerable antenna array has been developed by means of a clever arrangement of PIN-diode-based parasitic elements on a compact ground plane. Monopole Arrays Are Electronically Steerable Sep 13, 2006 By dielectrically embedding monopole elements in low loss material, compact electronically steerable antennas can be fabricated with good mechanical stability. Microstrip Antennas Guide Satellite Data Transmissions Jul 19, 2005 Microstrip antennas provide circularly polarized conical patterns for effective data transmission from a satellite to the earth at UHF and S-band frequencies. Checker Reads Cellular Radiation Feb 27, 2005 This portable, low-cost, unpowered instrument can measure radiation levels of handsets and other devices and cellular and Personal Communications Services (PCS) frequencies. RCS Measurements Detect Power Lines Mar 30, 2004 Radar-cross-section (RCS) measurements at microwave and millimeter-wave frequencies can be useful in detecting power-line backscattering from low-flying aircraft. Designing Antennas For Indoor Millimeter-Wave Use Nov 30, 2002 Low-cost shaped-beam antennas can be designed with polarizers to provide the uniform EM patterns needed for reliable indoor millimeter-wave WLAN systems.