15 calls from
HDIFFT

ACCUMULATE_TAVG_FIELD  2
HDIFFT_DEL2  1
HDIFFT_DEL4  1
HDIFFT_GM  1
SUBMESO_FLUX  1
SUBMESO_SF  1
TAVG_REQUESTED  2
TIMER_START  2
TIMER_STOP  2
TRACER_DIFFS_AND_ISOPYC_SLOPES  2