Here is a list of all variables with links to the files they belong to:

- COMMAND_KEY : xtrx_sink_c.h
- EOB_KEY : xtrx_sink_c.h
- FREQ_KEY : xtrx_sink_c.h, xtrx_source_c.h
- KERNEL_16_110 : airspy_fir_kernels.h
- KERNEL_2_80 : airspy_fir_kernels.h
- KERNEL_4_90 : airspy_fir_kernels.h
- KERNEL_8_100 : airspy_fir_kernels.h
- RATE_KEY : xtrx_source_c.h
- SOB_KEY : xtrx_sink_c.h
- TIME_KEY : xtrx_sink_c.h, xtrx_source_c.h