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TestTuner and TestTunerController implementations. This implementation only has support for channels that are completely centered within a channelizer output. Two output slice stitching to form a composite channel will be implemented next. Initial profiling indicates that the FFT function within the polyphase channelizer is now the dominant processing workload - 28% cpu loading when channelizing a 10 MHz sample rate input into 800 channels running at 25.0 kHz each. This is ideal for offloading to an OpenCL kernel and running on a GPU.