We also qualified and are participating the DARPA Spectrum Collaboration Challenge (SC2). Our team was the overall winner at the Phase 1 Tournament in December, 2017 and placed second in Phase 2 in December, 2018.
In October, 2019 we released the source code for our modem competing in the SC2 Final Event under the GPLv3 license. The rest of the MarmotE software stack, including the decision engine, log analysis tools and FPGA components, is currently kept proprietary.
We are active members of the SC2 Collaboration Interface Language Council (CILC) with significant contributions to the collaboration protocol and supporting tools. Our current radio solution reliably collect and distribute collaboration information (channel usage, incumbent status, node positions, etc.) within the network and collaborate with our peers using the CIL protocol.