What does RDF stand for?

RADAR Direction Finder - or Finding (CET)

Radial Dielectric Function (UWER)

Radial Distribution Function - X-ray diffraction

Radio Detection Finder (or Finding) (SAUS)

Radio Direction Finder - or Finding (AABC)

Radio Direction Finding - Military technology (DDF)

Radio Distribution Function (SAUS)

Radio Interception and Direction Finding (SAUS)

Rapid Deployment Force - Military

Rate Decrease Factor (SAUS)

Rate Distortion Function (SAUS)

Read Data Flow (SAUS)

Real Data Fine (UWER)

Real-Data Forecast (SAUS)

Recirculating Document Feeder (NITA)

Record Definition Field - Computer science (BUR)

Recursive Digital Filter - Computer science (IAA)

Redford Resources, Inc. - Vancouver Stock Exchange symbol

Reflection Coefficient Bridge (SAUS)

Reflection Direction Finder (or Finding) (SAUS)

Reflection Direction Finding

Refuse-Derived Fuel (ERG)

Reinforced Detonating Fuse (SAUS)

Relational Data File (RALS)

Remote Distribution Frame (TELEC)

Repeater Distributing (or Distribution) Frame (SAUS)

Request Denied Frame (SAUS)

Research, Development, and Facilities (NOAA)

Reserve Defense Fleet - Navy

Resource Data File (MCD)

Resource Definition Format (VLIE)

Resource Description Framework - Computer science

Resource Description Framework - Communications

Ressource Description Format

Revised Digital Forecast

Robotech Defense Force - Defunct (EA)

Roger Wyburn-Mason and Jack M. Blount Foundation for the Eradication of Rheumatoid Disease (EA)

Route Designator Field (SAUS)

Royal Dublin Fusiliers - British