Two FlexRadio SDR-1000 Radios Used as a Transponder

摘要

Another first for the remarkable SDR-1000 radio is its successful trial as a transponder. The following is from Bob McGwier, N4HY: At the labs of CNS Systems, Inc. in Maryland (W2GPS business), Rick Hambly, W2GPS, Tom Clark, W3IWI, and Bob McGwier, N4HY, finished cobbling together the software defined radio transponder (SDX) prototype on August 17, 2005. We successfully conducted a three-way QSO in the 45-kHz wide Mode A transponder. Mode B, software selectable, was added the following week.