http://www.q-par.com Q-par Angus provides a couple of useful microwave engineering software packages available here. One is our simple fully functional Microwave Antenna Design Calculator; the other a demo version of our QDAS Frequency Selective Surface Design and Analysis Software. daily 1 2007-01-17T11:53:04Z http://www.q-par.com/capabilities/microwave-research/qdas-software-user-manual.pdf User manual for the Q-par Dichroic Array Software (QDAS) No publisher julianr Datasheet Downloadable Software 2009-05-08T16:56:36Z File http://www.q-par.com/capabilities/software/fss-demo-software-download Q-par Angus is pleased to announce a new Frequency Selective Surface design capability for application in the following areas: Radome design with frequency filtering characteristics, Composite Radar Absorbent Material improvements, Free-space polarisation transformers (e.g. linear to circular), Switchable (active FSS) surfaces, & Microwave diffraction gratings. The software runs only under Linux and although fully functional, is limited to 25 basis function maximum per FSS. No publisher julianr Downloadable Software 2009-05-08T16:57:01Z Form Folder http://www.q-par.com/capabilities/software/microwave-antenna-design-calculator Our famous Q-par Antenna Design Calculator runs on Win9x/Me/2000/XP/Vista and Linux (under WINE). Not often, are things truly free in life, but the Q-par Angus Antenna Design Calculator is one of them !! The calculator is available to download here! No publisher julianr Downloadable Software 2009-05-08T16:24:32Z Form Folder http://www.q-par.com/capabilities/software/microwave-antenna-calc-instructions Notes on how to read and use our Microwave Antenna Calculator. Please follow the link below to download this calculator for free. No publisher julianr Downloadable Software 2009-05-08T16:31:10Z Page http://www.q-par.com/capabilities/microwave-research/fss-software-formulation.pdf The mathematical formulation for the QDAS FSS analysis software. No publisher julianr Downloadable Software 2009-05-08T16:56:02Z File