IEEE1 j
Dual-band reflectarray antennas using integrated resonant and non-resonant natures of metallic waveguide elements at millimeter wave frequencies
Abstract: Pure metallic reflectarray antennas have good power efficiency and low fabrication cost, limited to single-band operation in the past. A dual-band reflectarray antenna is developed for two ...
IEEE1 j
Dual-band Huygens source antennas with partially reflective surfaces
Simulation results show broadband radiation characteristics at 2.45 and 5 GHz bands, where the impedance bandwidths are in the ranges of 2.4–2.5 GHz and 4.8–5.8 GHz, respectively. In addition, the ...
Hackaday10 j
Improve Your HT Ham Radio By Adding A Counterpoise Antenna Wire
You would construct a counterpoise antenna wire 11.5 inch for VHF, 6.5 for UHF and about 19.5 inches for an OK performing dual band VHF/UHF radio. Normally with a handheld radio the counterpoise ...