DELPT
sin[i] = ((mag[i][0] - mag[i][1]) * SHIFT) / DELPT;
cos[i] = ((phs[i][0] - phs[i][1]) * SHIFT) / DELPT;
reg = RW(reg, AR_PHY_TX_IQCAQL_CONTROL_1_IQCORR_I_Q_COFF_DELPT, DELPT);