.xx#
Type of zero crossing analysis file, typically one pass per file, recorded on legacy detectors
.zc
Type of zero crossing analysis file, typically one pass per file
.zca
Type of zero crossing analysis file, one file per night, recorded on an Express
AC
Zero Crossing, see Zero Crossing
CF
Constant Frequency, see Constant Frequency
FFT
Fast Fourier Transform, see FFT window
FM
Frequency Modulated, see Frequency Modulated
FS
Full Spectrum recording (.wav), see Full Spectrum
GUANO
Grand Unified Acoustic Notation Ontology for bats; see GUANO Metadata
hr
Hour
