filter of sounding data
High spectral resolution atmospheric sounding data
surveying-line and checking-line sounding data
convesion of curved-surface data into borizontal-plane data
data processing for piecing together various 3 D data sets
ratio of test data to design data
seismic data transmission data
test data and the highest data
Absolute Radio Frequency Channel
Absolute Radio Frequency Channel Number ARFCN
acknowledged mode radio link control
active radio frequency identification
active radio frequency Identification technology