BURNABY, British Columbia, 31 March 2006. Spectrum Signal Processing Inc. has received a contract for three flexComm SDR-3000 software defined radio (SDR) platforms and related engineering services from Lockheed Martin. Lockheed Martin plans to use the solutions for the research, development, and prototyping of advanced satellite communications applications. These applications are designed for future net-centric space systems that will support Defense Department and other government organizations.