8) This describes the essential skills and knowledge and their level, required for this unit. Evidence shall show that knowledge has been acquired of safe working practices, engineering solutions air surveillance and observation systems. All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies. KS01-EH192A Electronic communications air surveillance systems Evidence shall show an understanding of electronic communications - air surveillance systems to an extent indicated by the following aspects: T1 Basic Radar Principles encompassing: requirement of surveillance to support efficient, safe and effective ATC operations aircraft aspects basic radar history electromagnetic waves radiation hazards and OHS considerations radar principles of operation types of radar and radar block diagram main inputs and outputs for designated blocks of a given diagram requirement for redundancy go / nogo concept radar performance limitations different types of radar self testing surveillance- original environment, developing environment surveillance users radar locations and radar coverage map T2 Principles of operation of a Primary Surveillance Radar (PSR) encompassing: purpose of a PSR principles of radar blind speed and measures to overcome this why radars use pulse compression and list the types of modulation used diversity operation is used in Primary radars radiation pattern for a ‘cosec2’ and slotted waveguide antenna radars use high / low coverage features of Primary radars currently in service T3 Principles of operation of a Classical Secondary Surveillance Radar (SSR) encompassing: similarities and differences between PSR and SSR requirement to use wobbulation relevant ICAO (Annex 10) specifications modes of operation transponder special replies and their functions SSR radiation patterns reasons for “No Reply” from an aircraft define garbling define FRUIT function of a Site Monitor advantages and disadvantages of SSR over primary radar features of classical SSRs T4 Principles of operation of a Mode S Secondary Surveillance Radar encompassing: improvements Mode S has over classical SSR ICAO requirements relating to the use of aircraft addresses and Interrogator Codes purposes of All-call and roll-call interrogations principles of acquiring aircraft users of Mode S Transponders quitter protocols used to reduce FRUIT principles of All-call Lockouts and Lockout Overrides requirement for Classical SSR and Mode S SSR compatibility benefits to a controller of using elementary and enhanced surveillance features of Mode S SSRs T5 Principles of operation of Radar Track Processors encompassing: function of radar track processor currently in service T6 Principles of operation of Radar RCMS requirement for radar RCMS Radar RCMS network layouts T7 Principles of operation of ADS encompassing: principles of operation of ADS-B aircraft data transmitted by ADS-B aircraft ADS-B transmission rates principles of operation of ADS-C T8 Principles of operation of Multilateration encompassing: introduction, definition and history of Multilateration TDOA concepts Airport / local area concept Airborne / wide area concept Data and identification Surveillance strategies MLAT coverage principles of operation of MLAT message formats used by MLAT systems similarities and differences between MLAT and ADS-B systems T9 Principles of Surveillance Track Messages encompassing: requirement for duplicated data paths ATS Centre processing and displaying of surveillance tracks contents of data messages sent from radar sites contents of data messages sent from ADS-B radar sites T10 Principles of ACAS/TCAS encompassing: purpose and types of ACAS/TCAS function of ACAS/TCAS how ACAS/TCAS acquires and tracks aircraft ICAO requirements with respect to complying with RAs T11 Performance characteristics and checks encompassing: measurement of radar PRF measurement of radar pulse shape / timing check measurement of radar transmitter frequency performing radar spectrum check identification of radar performance with or outside documented performance limits |