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The Wideband Global SATCOM system (WGS) block II satellite offers Airborne Intelligence, Surveillance, and Reconnaissance platforms with an unprecedented amount of satellite bandwidth. Unmanned aerial vehicle (UAV) platforms require a new waveform and subsequent modem implementations to fully exploit these new capabilities. To complement the high data rate (HDR) version of the Digital Video Broadcasting, Second Generation Satellite (DVB-S2) standard waveform and the single FPGA modulator introduced in previous work, this paper will focus on the implementation of a matching HDR ground-based demodulator. The implementation described within leverages commercial off the shelf (COTS) technology, to deliver a low risk, scalable, and portable design.