2SB: Two sideband (receiver)
ACA: Atacama Compact Array
ALMA: Atacama Large Millimeter/submillimeter Array
APDM: ALMA Project Data Model
ASDM: ALMA Science Data Model
ARC: ALMA Regional Centre
ASC: ALMA Sensitivity Calculator
BBC: BaseBand Converter
DSB: Double Sideband (receiver)
EB: Execution Block
FOV: Field Of View
LAS: Largest Angular Scale
LO: Local Oscillator
LSB: Lower Side Band
MRAS: Maximum Recoverable Angular Scale
OG: Observing Group
OT: Observing Tool
OTF: On The Fly
OUS: Observation Unit Set
PWV: Precipitable Water Vapour
SB: Scheduling Block
SSB: Single Sideband (receiver)
SFI: Single Field Interferometry
TFB: Tunable Filter Bank
TP: Total Power
USB: Upper Side Band