Acronyms
R&D
Research and Development
RA
radio astronomy
RAM
Random-Access Memory
RAS
Russian Academy of Sciences
Raytheon ITSS
Raytheon Systems Company Information Technology & Scientific Services
RB
range bias
RC
Research Centre
RCMAM
(IAU WG) Relativity in Celestial Mechanics, Astrometry and Metrology
RDBE
ROACH Digital Backend
RDV
Research and Development (sessions) with the VLBA
REFAG
[Symposium on] Reference Frames for Applications in Geosciences
Rep
representative
RF
radio frequency
RFI
radio frequency interference
RINEX
Receiver INdependent EXchange format
rms, RMS
Root Mean Square
RMS3D
RMS in three dimensions
ROACH
Reconfigurable Open Architecture for Computing Hardware
ROB
Royal Observatory of Belgium [= ORB]
RRFID
USNO Radio Reference Frame Image Database
RSC
Radio Source Coordinates
RSES
Research School of Earth Sciences
RT
radio telescope
RT e-VLBI
Rapid turn-around e-VLBI
RT-AC
Real-Time Analysis Center
RT-CC
Real-Time Combination Center
RU
Russian Federation
