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Showing below up to 500 results in range #1 to #500.
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- River tender (USA) (12:13, 15 February 2009)
- Service motor boat (12:13, 15 February 2009)
- Service Vessels (12:13, 15 February 2009)
- High-speed launch (12:13, 15 February 2009)
- Depot motor launch (12:13, 15 February 2009)
- Work barge (12:13, 15 February 2009)
- Light float (12:13, 15 February 2009)
- Spare light vessel (GB) (12:13, 15 February 2009)
- Pontoon (12:13, 15 February 2009)
- Barge (12:13, 15 February 2009)
- Relief (12:13, 15 February 2009)
- Stabilizing pendulum (12:13, 15 February 2009)
- Hawser (12:13, 15 February 2009)
- Line (12:13, 15 February 2009)
- Rigging (12:13, 15 February 2009)
- Wire rope (12:13, 15 February 2009)
- Lifting gear (12:13, 15 February 2009)
- Topping lift (12:13, 15 February 2009)
- Double topping lift (12:13, 15 February 2009)
- Derrick hoist (12:13, 15 February 2009)
- Whip (12:13, 15 February 2009)
- Slewing guy (12:13, 15 February 2009)
- Shock absorber (12:13, 15 February 2009)
- Tackle (12:13, 15 February 2009)
- Derrick (12:13, 15 February 2009)
- Main drum (of a winch) (12:13, 15 February 2009)
- Relief davit (12:13, 15 February 2009)
- Deck crane (12:13, 15 February 2009)
- Towing winch (12:13, 15 February 2009)
- Warping end (GB) (12:13, 15 February 2009)
- Davit (12:13, 15 February 2009)
- Anchor davit (12:13, 15 February 2009)
- Capstan (12:13, 15 February 2009)
- Bow roller (12:13, 15 February 2009)
- Windlass (12:13, 15 February 2009)
- Cable reliever (12:13, 15 February 2009)
- Buoy working gangway (GB) (12:13, 15 February 2009)
- Chain locker (12:13, 15 February 2009)
- Cable holder (GB) (12:13, 15 February 2009)
- Hawsepipe (of a vessel) (12:13, 15 February 2009)
- Chock (12:13, 15 February 2009)
- Handy-billy tackle (12:13, 15 February 2009)
- Lashing (12:13, 15 February 2009)
- Snatch block (12:13, 15 February 2009)
- Block (12:13, 15 February 2009)
- Senhouse slip (GB) (12:13, 15 February 2009)
- Buoy yard (12:13, 15 February 2009)
- Eye (12:13, 15 February 2009)
- Sling (12:13, 15 February 2009)
- Chain sling (12:13, 15 February 2009)
- Mooring buoy (12:13, 15 February 2009)
- Watch buoy (12:13, 15 February 2009)
- Battery rack (12:13, 15 February 2009)
- Gas cylinder (12:13, 15 February 2009)
- Inspection cover (12:13, 15 February 2009)
- Fenders (12:13, 15 February 2009)
- Roll damping device (12:13, 15 February 2009)
- Safety hand-hold (12:13, 15 February 2009)
- Access ladder (12:13, 15 February 2009)
- Access manhole (12:13, 15 February 2009)
- Access hatch (12:13, 15 February 2009)
- Non-skid covering (12:13, 15 February 2009)
- Metacentric height (12:13, 15 February 2009)
- Metacentre (of a buoy) (12:13, 15 February 2009)
- Anti-fouling paint (12:13, 15 February 2009)
- Bower anchor (12:13, 15 February 2009)
- Dropping (12:13, 15 February 2009)
- Anchoring (12:13, 15 February 2009)
- Backing (12:13, 15 February 2009)
- Anchor (12:13, 15 February 2009)
- Backing anchor (12:13, 15 February 2009)
- Mushroom anchor (USA) (12:13, 15 February 2009)
- Thrash (chain) (12:13, 15 February 2009)
- Mooring (12:13, 15 February 2009)
- Riding chain (12:13, 15 February 2009)
- Pitch (of a chain) (12:13, 15 February 2009)
- Open-link chain (12:13, 15 February 2009)
- Stud-link chain (12:13, 15 February 2009)
- Anchor shackle (12:13, 15 February 2009)
- Anchor ring (12:13, 15 February 2009)
- Lewis (GB) (12:13, 15 February 2009)
- Shackle (12:13, 15 February 2009)
- Kenter shackle (12:13, 15 February 2009)
- Split key (12:13, 15 February 2009)
- Swivel (12:13, 15 February 2009)
- Kink (12:13, 15 February 2009)
- Lighthouse service (00:57, 25 February 2009)
- Coast guard station (00:57, 25 February 2009)
- Operating (00:57, 25 February 2009)
- Semaphore station (00:57, 25 February 2009)
- Ensemble of aids to marine navigation (00:57, 25 February 2009)
- Reliability (00:58, 25 February 2009)
- Safety (00:58, 25 February 2009)
- Emergency apparatus (00:58, 25 February 2009)
- Discontinuation (00:58, 25 February 2009)
- Withdrawal (00:58, 25 February 2009)
- Safety precautions (00:58, 25 February 2009)
- Stand-by apparatus (00:58, 25 February 2009)
- Polychromatic radiation (00:58, 25 February 2009)
- Monochromatic radiation (00:58, 25 February 2009)
- Radiation (00:58, 25 February 2009)
- Radiant intensity (00:58, 25 February 2009)
- Spectrum (00:58, 25 February 2009)
- Radiant energy (00:58, 25 February 2009)
- Radiance (00:58, 25 February 2009)
- Radiant power (00:58, 25 February 2009)
- Radiant exitance (00:58, 25 February 2009)
- Spectral concentration (00:58, 25 February 2009)
- Diffraction (00:58, 25 February 2009)
- Spectral distribution curve (00:58, 25 February 2009)
- Point source (00:58, 25 February 2009)
- Radiant exposure (00:58, 25 February 2009)
- Absorption (00:58, 25 February 2009)
- Refraction (00:58, 25 February 2009)
- Reflection (00:58, 25 February 2009)
- Transmission (00:58, 25 February 2009)
- Periodic quantity (00:58, 25 February 2009)
- Wave front (00:58, 25 February 2009)
- Wave number (00:58, 25 February 2009)
- Wavelength (00:58, 25 February 2009)
- Frequency (00:58, 25 February 2009)
- Wave surface (00:58, 25 February 2009)
- Spherical wave (00:58, 25 February 2009)
- Stationary wave (00:58, 25 February 2009)
- Wave-train (00:58, 25 February 2009)
- Node (00:58, 25 February 2009)
- Instantaneous value (00:58, 25 February 2009)
- Phase (00:58, 25 February 2009)
- Total amplitude of oscillation (00:58, 25 February 2009)
- Fundamental frequency (00:58, 25 February 2009)
- Period (00:58, 25 February 2009)
- Forced oscillation (00:58, 25 February 2009)
- Synchronism (00:58, 25 February 2009)
- Free oscillation (00:58, 25 February 2009)
- Interference (00:58, 25 February 2009)
- Modulation (00:58, 25 February 2009)
- Recording (00:58, 25 February 2009)
- Recording equipment (00:58, 25 February 2009)
- Noise (00:58, 25 February 2009)
- Control desk (00:58, 25 February 2009)
- Recorder (00:58, 25 February 2009)
- Record (00:58, 25 February 2009)
- Anode (00:58, 25 February 2009)
- Pressure reducing valve (00:58, 25 February 2009)
- Cathode (00:58, 25 February 2009)
- Time switch (00:58, 25 February 2009)
- Electrode (00:58, 25 February 2009)
- Coder (00:58, 25 February 2009)
- Sensation (00:58, 25 February 2009)
- Navigation (00:58, 25 February 2009)
- Pilotage (00:58, 25 February 2009)
- Piloting (00:58, 25 February 2009)
- Coasting (00:58, 25 February 2009)
- Position determination (00:58, 25 February 2009)
- Magnetic Dip (00:58, 25 February 2009)
- Making land (00:58, 25 February 2009)
- Magnetic Declination (00:58, 25 February 2009)
- Enter a narrow channel (00:58, 25 February 2009)
- Fathom (00:58, 25 February 2009)
- Dip (00:58, 25 February 2009)
- Triangle of error (00:58, 25 February 2009)
- Mean line of course (00:58, 25 February 2009)
- Sea horizon (00:58, 25 February 2009)
- Nautical mile (00:58, 25 February 2009)
- Zenith (00:58, 25 February 2009)
- Main channel (00:58, 25 February 2009)
- Roads (00:58, 25 February 2009)
- Entrance (00:58, 25 February 2009)
- Junction (00:58, 25 February 2009)
- Anchorage (00:58, 25 February 2009)
- Bank (1) (00:58, 25 February 2009)
- Straits (00:58, 25 February 2009)
- Pass (00:58, 25 February 2009)
- Danger (00:58, 25 February 2009)
- Reef (00:58, 25 February 2009)
- Estuary (00:58, 25 February 2009)
- Rock (00:58, 25 February 2009)
- Bar (00:58, 25 February 2009)
- Flats (00:58, 25 February 2009)
- Quay (00:58, 25 February 2009)
- Shallow (00:58, 25 February 2009)
- Middle grounds (00:58, 25 February 2009)
- Bank (2) (00:58, 25 February 2009)
- Dike (00:58, 25 February 2009)
- Breakwater (00:58, 25 February 2009)
- Pierhead (00:58, 25 February 2009)
- Dry Dock (00:58, 25 February 2009)
- Wet Dock (00:58, 25 February 2009)
- Pier (00:58, 25 February 2009)
- Landing stage (00:58, 25 February 2009)
- Dolphins (00:58, 25 February 2009)
- Tide (00:59, 25 February 2009)
- Tide - Half-tide (00:59, 25 February 2009)
- Tide - Ebb tide (00:59, 25 February 2009)
- Tidal range (00:59, 25 February 2009)
- Tide - Neap tides (00:59, 25 February 2009)
- Tide - High tide (00:59, 25 February 2009)
- Stand (00:59, 25 February 2009)
- Tide - Spring tides (00:59, 25 February 2009)
- Wave (00:59, 25 February 2009)
- Tide - Low tide (00:59, 25 February 2009)
- Tide - Flood tide (00:59, 25 February 2009)
- Sea (00:59, 25 February 2009)
- Swell (00:59, 25 February 2009)
- Scotch mist (00:59, 25 February 2009)
- Fog (00:59, 25 February 2009)
- Warble tone (01:11, 25 February 2009)
- Spectrum analysis (01:11, 25 February 2009)
- Sound (01:11, 25 February 2009)
- Sound spectrum (01:11, 25 February 2009)
- Acoustic noise (01:11, 25 February 2009)
- Sound field (01:11, 25 February 2009)
- Complex sound (01:11, 25 February 2009)
- Pure sound (01:11, 25 February 2009)
- Static pressure (01:11, 25 February 2009)
- Sound pressure (01:11, 25 February 2009)
- Volume velocity (01:11, 25 February 2009)
- Spectrum pressure level (01:11, 25 February 2009)
- Sound particle velocity (01:11, 25 February 2009)
- Sound pressure level (01:11, 25 February 2009)
- Sound energy flux (01:11, 25 February 2009)
- Free sound field (01:11, 25 February 2009)
- Instantaneous sound power per unit area (01:11, 25 February 2009)
- Sound power level (01:11, 25 February 2009)
- Sound power (01:11, 25 February 2009)
- Sound intensity (01:11, 25 February 2009)
- Principal axis (01:11, 25 February 2009)
- Loudness level contour (01:12, 25 February 2009)
- Directivity factor (01:12, 25 February 2009)
- Loudness level (01:12, 25 February 2009)
- Sound level meter (01:12, 25 February 2009)
- Equality of Laudness (01:12, 25 February 2009)
- Sound level A B or C (01:12, 25 February 2009)
- Timbre (01:12, 25 February 2009)
- Loudness (01:12, 25 February 2009)
- Normal threshold of hearing (01:12, 25 February 2009)
- Frequency group (01:12, 25 February 2009)
- Spherical divergence loss (01:12, 25 February 2009)
- Sound absorption (01:12, 25 February 2009)
- Sound source (01:15, 25 February 2009)
- Sound emitter unit (01:15, 25 February 2009)
- Sound emitter - Electric (01:15, 25 February 2009)
- Sound emitter - Mechanical (01:15, 25 February 2009)
- Sound emitter - Horizontal array (01:15, 25 February 2009)
- Sound emitter array (01:15, 25 February 2009)
- Sound emitter - Plane array (01:15, 25 February 2009)
- Sound emitter - Pneumatic (01:15, 25 February 2009)
- Sound emitter - Electromagnetic (01:15, 25 February 2009)
- Sound emitter - Stacked array (01:15, 25 February 2009)
- Fog signal stack (01:15, 25 February 2009)
- Sound emitter - Electrodynamic (01:15, 25 February 2009)
- Volute of a siren (01:15, 25 February 2009)
- Sounding valve (01:15, 25 February 2009)
- Inlet chamber (01:15, 25 February 2009)
- Stator of a siren (01:15, 25 February 2009)
- Sound emitter - Operating valve (01:15, 25 February 2009)
- Sounding air (01:15, 25 February 2009)
- Air flow guide (01:15, 25 February 2009)
- Fog signal port (01:15, 25 February 2009)
- Operating air (01:15, 25 February 2009)
- Diaphone - Piston (01:15, 25 February 2009)
- Diaphone - Cylinder (01:15, 25 February 2009)
- Diaphone - Driver (01:15, 25 February 2009)
- Rotor of a siren (01:15, 25 February 2009)
- Reed box (01:16, 25 February 2009)
- Sound emitter - Diaphragm (01:16, 25 February 2009)
- Reed holder (01:16, 25 February 2009)
- Diaphragm (01:16, 25 February 2009)
- Reed (01:16, 25 February 2009)
- Reed fog signal (01:16, 25 February 2009)
- Cophasing (01:16, 25 February 2009)
- Re-entrant horn (01:16, 25 February 2009)
- Air chamber (01:16, 25 February 2009)
- Electromagnetic horn - Coil (01:16, 25 February 2009)
- Electromagnetic horn - Armature (01:16, 25 February 2009)
- Electromagnetic horn (01:16, 25 February 2009)
- Explosive fog signal (01:16, 25 February 2009)
- Electric detonator (01:16, 25 February 2009)
- Charge (01:16, 25 February 2009)
- Jib (01:16, 25 February 2009)
- Bell buoy (01:16, 25 February 2009)
- Bell striker (01:16, 25 February 2009)
- Tapper (01:16, 25 February 2009)
- Hammer (01:16, 25 February 2009)
- Radio (01:16, 25 February 2009)
- Radio waves (01:16, 25 February 2009)
- Radio transmitter (01:16, 25 February 2009)
- Wavelength (2) (01:16, 25 February 2009)
- Radio receiver (01:16, 25 February 2009)
- Frequency tolerance (01:16, 25 February 2009)
- Spurious emission (01:16, 25 February 2009)
- Frequency channel (01:16, 25 February 2009)
- Station (01:16, 25 February 2009)
- Effective radiated power (01:16, 25 February 2009)
- Gain of an antenna (01:16, 25 February 2009)
- Peak envelope power (01:16, 25 February 2009)
- Minimum distance (01:16, 25 February 2009)
- Resolution (01:16, 25 February 2009)
- Service area (01:16, 25 February 2009)
- Resolving time (01:16, 25 February 2009)
- Resolve (01:16, 25 February 2009)
- Minimum signal (01:16, 25 February 2009)
- Pulse rise time (01:16, 25 February 2009)
- Random error (01:16, 25 February 2009)
- Synchronisation error (01:16, 25 February 2009)
- Skywave accuracy pattern (01:16, 25 February 2009)
- Jitter (01:16, 25 February 2009)
- Residual error (01:16, 25 February 2009)
- Skywave correction (01:16, 25 February 2009)
- Pulse duration (01:16, 25 February 2009)
- Pulse repetition frequency (01:17, 25 February 2009)
- Antenna (01:17, 25 February 2009)
- Pulse repetition rate (01:17, 25 February 2009)
- Pulse spacing (01:17, 25 February 2009)
- Broad-band antenna (01:17, 25 February 2009)
- Effective length (01:17, 25 February 2009)
- Radiation efficiency (01:17, 25 February 2009)
- Tuned antenna (01:17, 25 February 2009)
- Radiation intensity (01:17, 25 February 2009)
- Electric field strength (01:17, 25 February 2009)
- Fraunhofer region (01:17, 25 February 2009)
- Radiation field (01:17, 25 February 2009)
- Electric field (01:17, 25 February 2009)
- Magnetic field strength (01:17, 25 February 2009)
- Induction field (01:17, 25 February 2009)
- Scattering (01:17, 25 February 2009)
- Fading (01:17, 25 February 2009)
- Re-radiation (01:17, 25 February 2009)
- Omnidirectional antenna (01:17, 25 February 2009)
- Multipath propagation (01:17, 25 February 2009)
- Main lobe (01:17, 25 February 2009)
- Side lobe (01:17, 25 February 2009)
- Gain function (01:17, 25 February 2009)
- Directional antenna (01:17, 25 February 2009)
- Radiation pattern (01:17, 25 February 2009)
- Directivity (01:17, 25 February 2009)
- Unipole antenna (01:17, 25 February 2009)
- Half wave dipole (01:17, 25 February 2009)
- Ground-plane antenna (01:17, 25 February 2009)
- Umbrella antenna (01:17, 25 February 2009)
- Wave antenna (01:17, 25 February 2009)
- Vertical antenna (01:17, 25 February 2009)
- Helical antenna (01:17, 25 February 2009)
- Whip antenna (01:17, 25 February 2009)
- L antenna (01:17, 25 February 2009)
- Flat top antenna (01:17, 25 February 2009)
- Top loaded antenna (01:17, 25 February 2009)
- Antenna array (01:17, 25 February 2009)
- Feeder (01:17, 25 February 2009)
- Slotted guide antenna (01:17, 25 February 2009)
- Yagi antenna (01:17, 25 February 2009)
- Waveguide (01:17, 25 February 2009)
- Earth system (01:17, 25 February 2009)
- Voltage standing-wave ratio (01:17, 25 February 2009)
- Slot radiator (01:17, 25 February 2009)
- Hoghorn (01:17, 25 February 2009)
- Radio Lens (01:17, 25 February 2009)
- Horn - Antenna (01:17, 25 February 2009)
- Parabolic antenna (01:17, 25 February 2009)
- Vertex plate (01:17, 25 February 2009)
- Parallel-plate lens (01:17, 25 February 2009)
- Frequency monitor (01:17, 25 February 2009)
- Crystal-oscillator drive (01:17, 25 February 2009)
- Tank circuit (U.S.A.) (01:17, 25 February 2009)
- On-off keying (01:17, 25 February 2009)
- Master oscillator (01:17, 25 February 2009)
- Tank circuit (G.B.) (01:17, 25 February 2009)
- Anode efficiency of an R.F. stage (01:17, 25 February 2009)
- Overall efficiency of an R.F. stage (01:17, 25 February 2009)
- R.F. stage (01:17, 25 February 2009)
- Transmitter load (01:17, 25 February 2009)
- Optimum load impedance (01:17, 25 February 2009)
- Sideband (01:17, 25 February 2009)
- Artificial antenna (01:17, 25 February 2009)
- Transmitter power gain (01:17, 25 February 2009)
- Superheterodyne reception (01:17, 25 February 2009)
- Selectivity (01:17, 25 February 2009)
- Sensitivity (01:17, 25 February 2009)
- Local oscillator (01:17, 25 February 2009)
- Image frequency (01:17, 25 February 2009)
- Automatic gain control (01:17, 25 February 2009)
- Key click (01:17, 25 February 2009)
- Noise figure (01:17, 25 February 2009)
- Muting (01:17, 25 February 2009)
- Automatic frequency control (01:17, 25 February 2009)
- Signal-to-noise ratio (01:17, 25 February 2009)
- Cross modulation (01:17, 25 February 2009)
- Limited signal (01:17, 25 February 2009)
- Polarization (01:17, 25 February 2009)
- Square law detector (01:17, 25 February 2009)
- Detector (U.S.A.) (01:17, 25 February 2009)
- Detector (01:17, 25 February 2009)
- Linear detector (01:17, 25 February 2009)
- Linearly polarized wave (01:17, 25 February 2009)
- Vertically polarized wave (01:17, 25 February 2009)
- Wave tilt (01:17, 25 February 2009)
- Refractive modulus (01:17, 25 February 2009)
- M unit (01:17, 25 February 2009)
- Diffraction (2) (01:17, 25 February 2009)
- Standard refractive modulus gradient (01:17, 25 February 2009)
- Modified refractive index (01:17, 25 February 2009)
- Refractive index (01:17, 25 February 2009)
- Refraction (2) (01:17, 25 February 2009)
- M profile (01:17, 25 February 2009)
- Standard (radio) atmosphere (01:17, 25 February 2009)
- Standard refraction (01:17, 25 February 2009)
- Standard propagation (01:17, 25 February 2009)
- Sub-refraction (01:17, 25 February 2009)
- Super refraction (01:17, 25 February 2009)
- Standard radio horizon (01:17, 25 February 2009)
- Effective radius of the earth (01:17, 25 February 2009)
- Diffraction region (01:17, 25 February 2009)
- Surface wave (01:17, 25 February 2009)
- Ionosphere (01:17, 25 February 2009)
- Troposphere (01:17, 25 February 2009)
- Radio horizon (01:17, 25 February 2009)
- Surface duct (01:17, 25 February 2009)
- Tropospheric wave (01:17, 25 February 2009)
- Space wave (01:17, 25 February 2009)
- Ionospheric wave (01:17, 25 February 2009)
- Tropospheric radio duct (01:17, 25 February 2009)
- Elevated duct (01:17, 25 February 2009)
- Star chain (01:17, 25 February 2009)
- Radiolocation (01:17, 25 February 2009)
- Radionavigation (01:17, 25 February 2009)
- Triad (01:17, 25 February 2009)
- Homing (01:17, 25 February 2009)
- Radiodetermination (01:17, 25 February 2009)
- Head (01:17, 25 February 2009)
- Stabilization (in radionavigation) (01:17, 25 February 2009)
- Intensity modulation (01:17, 25 February 2009)
- Transmission schedule (01:17, 25 February 2009)
- Marker beacon (01:17, 25 February 2009)
- Cathode ray direction finder (01:17, 25 February 2009)
- Direction finding - radio (01:17, 25 February 2009)
- Adcock direction finder (01:17, 25 February 2009)
- Direction finder (01:17, 25 February 2009)
- Rotating loop direction finder (01:18, 25 February 2009)
- Spaced antenna direction finder (01:18, 25 February 2009)
- Compensated loop direction finder (01:18, 25 February 2009)
- Direction finding network (01:18, 25 February 2009)
- Wide aperture direction finder (01:18, 25 February 2009)
- Wide aperture Doppler direction finder (01:18, 25 February 2009)
- Spaced loop direction finder (01:18, 25 February 2009)
- Sense (01:18, 25 February 2009)
- Radiogoniometer (01:18, 25 February 2009)
- Field coils (01:18, 25 February 2009)
- Spacing (Antenna) (01:18, 25 February 2009)
- Figure of eight reception (01:18, 25 February 2009)
- Direction finding site (01:18, 25 February 2009)
- Sense finding (01:18, 25 February 2009)
- Pick-up ratio (01:18, 25 February 2009)
- Minimum clearing (01:18, 25 February 2009)
- Pick-up factor (01:18, 25 February 2009)
- Stray pick-up (01:18, 25 February 2009)
- Compensation (01:18, 25 February 2009)
- Search coil (01:18, 25 February 2009)
- Corrected bearing (01:18, 25 February 2009)
- Error curve (01:18, 25 February 2009)
- Instrumental error (01:18, 25 February 2009)
- Error in bearing (01:18, 25 February 2009)
- Spread of bearings (01:18, 25 February 2009)
- Installation error (01:18, 25 February 2009)
- Propagation error (01:18, 25 February 2009)
- Field alignment error (01:18, 25 February 2009)
- Site error (01:18, 25 February 2009)
- Site error susceptibility (01:18, 25 February 2009)
- Ionospheric path error (01:18, 25 February 2009)
- Loop alignment error (01:18, 25 February 2009)
- Standard wave error (01:18, 25 February 2009)
- Semicircular component of error (01:18, 25 February 2009)
- Residual octantal error (01:18, 25 February 2009)
- Polarization error (01:18, 25 February 2009)
- Source error (01:18, 25 February 2009)
- Re-radiation error (01:18, 25 February 2009)
- Total polarization error (01:18, 25 February 2009)
- Spacing error (01:18, 25 February 2009)
- Adcock antenna (01:18, 25 February 2009)
- Ferrite rod antenna (01:18, 25 February 2009)
- Wave interference error (01:18, 25 February 2009)
- Long dash (01:18, 25 February 2009)
- Lead-in (01:18, 25 February 2009)
- Silent period (01:18, 25 February 2009)
- Screened loop antenna (01:18, 25 February 2009)
- Loop antenna (01:18, 25 February 2009)
- Counterpoise (01:18, 25 February 2009)
- Matching unit (01:18, 25 February 2009)
- Dot element (01:18, 25 February 2009)
- Keying relay (01:18, 25 February 2009)
- Radiation monitor (01:18, 25 February 2009)
- Keyer (U.S.A.) (01:18, 25 February 2009)
- Continuous-wave radar (01:18, 25 February 2009)
- Pulse-modulated radar (01:18, 25 February 2009)
- Surveillance radar (01:18, 25 February 2009)
- Radar (01:18, 25 February 2009)
- Primary radar (01:18, 25 February 2009)
- Secondary radar (01:18, 25 February 2009)
- Frequency-modulated radar (01:18, 25 February 2009)
- Moving target indication (01:18, 25 February 2009)
- Scan (01:18, 25 February 2009)