SSR Acronyms

AC

All Call

ACAS

Airborne Collision Avoidance System

ADC

Analog to Digital Converter

ADLP

Air Data Link Processor

ASTERIX

All-purpose STructured Eurocontrol Radar Information Exchange

HDLC

High Level Data Link Control

MMXC

Mode S Modulator and Extractor Compact

AICB

Air-Initiated Comm-B

AM

Amplitude Modulation

AS-909

Secondary Radar Antenna

ATC

Air Traffic Control

CC

Cluster Controller

Ohm

Control Antenna Channel

DF

Downlink Format

DPC-PC

Data Processing Computer-Personal Computer

DPSK

Differential Phase Shift Keying

ELM

Extended Length Message

ESM

Enhanced Surveillance Management

FRUIT

False Replies Unsynchronized in Time

GDLP

Ground Data Link Processor

GICB

Ground-Initiated Comm-B

HPA

High Power Amplifier

ICAO

International Civil Aviation Organization

II

Interrogator Identifier

ISLS

Interrogation with Sidelobe Suppression

IISLS

Improved Interrogation with Sidelobe Suppression

JTS

Rotary Joint

LD

Local Display

MSSR

Monopulse Secondary Surveillance Radar

MRC

Mode S Radar Communication

MRP

Mode S Radar Processing

NM

Nautical Mile

OBA

Off Boresight Angle

RC

Roll Call

RF

Radio Frequency

RFUC

RF Transfer Unit Compact

RSLS

Reception with Sidelobe Suppression

RSM

Radar Secondary Monopulse

summation sign

Sum Antenna Channel

SCN

Surveillance Cluster Network

SI

Surveillance Identifier

SPI

Special Position Indicator

SSR

Secondary Surveillance Radar

SSRC

SSR Synchronous Reply Correlation

UF

Uplink Format

Delta

Difference Channel