A method of operating a radar apparatus comprises: (a) capturing a first chirp of data in the cycle and storing the data in a local storage memory; (b) processing the captured data to generate a set of range bin data, (c) transferring the range bin data from the local storage memory to a remote burst access memory, (d) repeating the steps (a) and (b) for each subsequent chirp, (e) repeating step (c) so as to transfer the range bin data from the local storage memory to the remote burst access memory, (f) transferring from the remote burst access memory into the local storage memory, (g) process the data transferred into the local storage memory to generate a set of velocity data, and repeating steps (f) and (g) until all of the data in the remote burst access memory block of data has been processed by the second FFT.