In In this paper, two low profile, single fed cavity backed slot antennas providing a circularly polarized (CP) wave are introduced. One of the antennas presents a right-handed CP (RHCP) wave, while the other one offers a left handed CP (LHCP) wave. The proposed antennas consist of a square shaped Substrtae Integrated Waveguide (SIW) cavity incorporatng two couples of radiating slots to radiate...

All (except one) were healthy young Gurkhas. All necessary precautions were taken in every case. Their urines were alkaline, intake of fluids was satisfactory, quantity of sulphapyridine given was not excessive (one gramme four-hourly on the first day and one gramme six-hourly on the following day). Oliguria and later anuria were noticed on about the fifth day after starting the drug. Blood pre...