An example of the input file (save general cards):
PROCESS m_filtazi PROCESS s_filtazi c // c // comment ___AZIMUTH FILTERING___ // c // c AF_METHOD AF_BLOCKSIZE 1024 // fftlength each column AF_OVERLAP 64 // hbs AF_HAMMING 0.75 AF_OUT_MASTER Outdata/1393.azifilt AF_OUT_SLAVE Outdata/21066.azifilt AF_OUT_FORMAT ci2