Hazards of electromagnetic radiation to personnel (HERP), 3-3 permissible exposure limit (PEL), 3-4 permissible exposure time (PET), 3-5 specific absorption rate (SAR), 3-3 High frequency surface wave radar, 1-22, 2-14 HOJ mode, 1-18 Home-on-jamming, 1-18 Homing guidance, 1-16 active, 1-17 passive, 1-18 semiactive, 1-17 Horizontal plane, 1-2, 1-11 Horn radiators, 1-8, 1-9 I Inertial guidance, 1-16 Infrared search and track (IRST), 2-14 Initial phase, 1-14 Intermediate frequency (IF), 1-6 J Jamming, 1-18 JETDS, 1-12 Joint Army-Navy nomenclature system, 1-12 Joint electronics type designation system, 1-12 Joint-service standardized classification system, 1-12 L Lens antenna, 1-9 M Man aloft, 3-9 Maximum range, 1-3 Midcourse phase, 1-15 Minimum range, 1-3 Missile axes, 1-14 Missile guidance radar, 1-14 Mk 7 Aegis fire control system, 2-4 Mk 23 target acquisitioning system (TAS), 1-10, 1-21, 2-8 Mk 34 gun weapon system, 1-22, 2-4 Mk 45 light weight gun, 1-21, 2-7 Mk 74 fire control system, 1-21 Mk 75 light weight gun, 1-21, 2-9 Mk 86 gun fire control system (GFCS), 1-10, 1-21, 2-4, 2-6 Mk 91 fire control system, 1-21, 2-5, 2-9 Mk 92 combined antenna system (CAS), 1-10, 1-19, 1-21, 2-9 Mk 92 fire control system, 1-21 Mk 95 radar, 1-21, 2-9 Mk 99 missile fire control system, 1-21, 2-4 Moving target indicator (MTI), 1-6, 2-2 Multi-dimensional radar, 1-13 Multi-function radar, 2-14 O Optical sighting system (OSS), 1-22 Optronics systems, 1-22; 2-14 thermal imaging sensor system (TISS), 1-22, 2-14 P Parabolic reflectors, 1-8 Passive homing, 1-18 Phases of missile guidance, 1-14 initial (boost), 1-14 midcourse, 1-15 terminal, 1-15 Phases of radar operation, 1-18 acquisition,  1-15 designation,  1-18 track,  1-18 Plan position indicator (PPI), 1-7 Planar array antenna, 1-10 Prediction, 1-19 Pulse  modulation,  1-4 Pulse-repetition frequency (PRF), 1-3 Pulse-repetition rate (PRR), 1-3 R Radiation hazard zones, shipboard, 3-7 Radar safety, 3-2 cathode-ray tubes (CRTs), 3-15 HERF, 3-3 HERO, 3-2 HERP, 3-3 RFR hazards, 3-12 x-ray emissions, 3-17 radioactive electron tubes, 3-15 warning signs, 3-11 working aloft, 3-9 Radar system block diagram, 1-5 antenna, 1-8 control group, 1-11 display, 1-6 duplexer, 1-6 radome, 1-10 INDEX-2