Q-par Angus design and write our own software mainly for our range of Antenna Positioners, and to drive electronics for other bespoke customer project uses. We also offer a simple freely available fully functional Microwave Antenna Design Calculator and a limited demo version of our QDAS FSS software.

• Microwave Antenna Design Calculator
  

  Our famous Antenna Design Calculator runs on Win9x/Me/2000/XP and Linux (under WINE). Not often, are things truely free in life, but the Q-par Angus Antenna Design Calculator is one of them !! The calculator is available to download here!
  
  

• Microwave Antenna Design Calculator Instructions
  

  Notes on how to read and use our Microwave Antenna Calculator.
  
  

• FSS Demo Software Download
  

  We present a free download of our demo release of our QDAS FSS Software. This version places a limit on the complexity of the FSS structure (25 basis function maximum per FSS) but allows studies of multiple FSS, close inter-FSS coupling, arbitrary materials etc. The software runs only under Linux.