Zelinda specializes in the design of communications equipment for the space industry.  The company was formed in August 2000 and has acquired  from its founders a wealth of  understanding of the needs of space based communications as well as the project management skills needed to deliver on time and within budget.  Whilst specializing in digital signal processing techniques for digital modulation and demodulation, our experience  covers a wide range of fields including, on-board software, real-time software, GUI software, VHDL, simulation, spread-spectrum techniques,  analysis, and design of digital and analogue electronics.   Our expertise in transponder and ground modem design has been gained through a variety of projects, many of which originate with the European Space Agency (ESA).