| °R |
Degree
Rankin |
| °R |
Degrees
Relative |
| RAD |
Radiate |
| RAD |
Requirements
Action Directive |
| RAF |
Royal
Air Force |
| RADAR |
RAdio
Detection And Ranging |
| RADINT |
Radar
Intelligence |
| RAM |
Random
Access Memory |
| RAM |
Reliability,
Availability and Maintainability |
| RAM |
Radar
Absorbent Material |
| R&M |
Reliability
and Maintainability |
| RAPPORT |
Rapid
Alert Programmed Power-Management of Radar Targets |
| RAWS |
Radar
Attack and Warning System |
| RB |
Relative
Bearing (also °R) |
| RCAG |
Remote
Controlled Air-Ground |
| RCAGR |
Remote
Controlled Air-Ground Radio |
| RCDR |
Recorder |
| rcdr |
Recorder |
| RCS |
Radar
Cross Section |
| RCU |
Remote
Control Unit |
| RCV |
Receive |
| rcv |
Receive |
| RCVR |
Receiver |
| rcvr |
Receiver |
| RDF |
Rapid
Deployment Force |
| RDJTF |
Rapid
Deployment Joint Task Force |
| rd/min |
Rounds
Per Minute |
| RDF |
Radio
Direction Finding |
| RDU |
Radar
Display Unit |
| REC |
Radio-Electronic
Combat |
| REC |
Receiver |
| Recce |
Reconnaissance |
| Recon |
Reconnaissance |
| Regt |
Regiment |
| REJT |
Reject |
| RES |
Resume |
| rev |
Revolution |
| RF |
Radio
Frequency |
| RF |
Range
Finder |
| RFI |
Radio
Frequency Interference |
| RFI |
Request
For Information |
| RFP |
Request
For Proposal |
| RFS |
Radio
Frequency Surveillance |
| RGES |
Remote
Ground Entry Station |
| RGPO |
Range
Gate Pull-Off |
| rgt |
Regiment |
| RGWO |
Range
Gate Walk-Off |
| RHAW |
Radar
Homing And Warning |
| RHI |
Range-Height
Indicator |
| RHI |
Radar
Height Indicator |
| RHWR |
Radar
Homing and Warning Receiver |
| RIC |
Reconnaissance
Intelligence Centre |
| RICO |
Radar
Input Control Officer |
| RINT |
Radiation
intelligence |
| rng |
Range |
| RO |
Receive
Only |
| ROB |
Radar
Order of Battle |
| ROC |
Required
Operational Capability |
| ROE |
Rules
Of Engagement |
| ROM |
Read-Only-Memory |
| ROR |
Range-Only
Radar |
| RP |
Receiver
Processor |
| RPD |
Random
Pulse Discrimination |
| rpg |
Rounds
per gun |
| RPM |
Revolutions
Per Minute |
| RPM |
Rounds
Per Minute |
| RPV |
Remotely
Piloted Vehicle |
| R/R |
Radar
/ Radio |
| RSADF |
Royal
Saudi Air Defence Force |
| RSAF |
Royal
Saudi Air Force |
| RSAF |
Republic
of Singapore Air Force |
| RSL |
Received
Signal Level |
| RSLF |
Royal
Saudi Land Forces |
| RSNF |
Royal
Saudi Naval Force |
| RT |
Recovery
Time |
| RT |
Real
Time |
| R/T |
Receive
/ Transmit |
| R/T |
Receiver
/ Transmitter |
| RTB |
Return
To Base |
| RTTY |
Radio
Teletype |
| RWR |
Radar
Warning Receiver |
| rx |
Receiver |