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What is RASDR?
Radio Astronomy research is dominated by large antennas, sensitive front-end radio frequency detection and amplification equipment, a wide-bandwidth analog to digital conversion stage and finally, a computer system to extract and present information. When used in this way, the post-antenna stage is called a Software-Defined Receiver (SDR). The Radio Astronomy Software Defined Receiver (RASDR) is an Open Hardware project undertaken by members of the Society of Amateur Radio Astronomers(SARA) to develop a low cost, high performance software defined receiver for use by SARA members.