# comments can be added with # in column 1 in the usual way # blank lines are allowed # NB: But there is *no* syntax checking - the format MUST be correct # i.e. # the entries are not sorted - you should pre-sort the list yourself 3D 3-D AC, DC ac a.c. dc d.c. app apps App, Apps backpack back pack back-shot backshot, back shot bandwidth band-width barcode bar code band-pass bandpass, band pass bare bones bare bone baseband base-band basecamp base camp base-line baseline battery-operated battery operated Battery-powered battery powered beam width beamwidth bipolar bi-polar bitrate bit-rate, bit rate bootloading boot-loading boresight bore-sight built-in builtin cap-lamp cap lamp, caplamp cave-proof caveproof CCD c.c.d. ccd cellphone cell phone, cell-phone centreline centre-line , centre line closed-loop closed loop close-up closeup, close up coaxial co-axial cooperation co-operation copper-plated copper plated counterweight counter-weight COVID-19 covid, covid-19, coronavirus cross-section cross section CSV, HTTP csv, http cut-off cut off, cutoff data logger datalogger datarate data-rate depth sounder depth-sounder diecast die-cast double-balanced double balanced dropout drop out, drop-out E-field e-field earth-current earth current electrochemical electro-chemical electromechanical electro-mechanical email e-mail EMF e.m.f. , emf end-fed end fed, endfed far-field far field, farfield flashlight flash-light fixed-line fixed line floodlight flood light, flood-light free-space freespace gastight gas tight, gas-tight geolocation geo-location georeferenced geo-referenced googling Googling ground-penetrating ground penetrating, groundpenetrating groundwater ground water, ground-water guidewire guide-wire H-field h-field half-duplex half duplex handheld hand-held handsfree hands-free hand-tools handtools headphones head-phones heatsink heat-sink high-gain highgain, high gain high-level highlevel high-pass highpass, high pass high-power highpower, high power home-brew homebrew homebuilt home-built homemade home-made hostname host name inbox Inbox infrared infra-red inline in-line Internet internet IoT IOT keypad key-pad key-word key word landline land-line laser-scanner laser scanner, laserscanner LED led lead-acid lead acid lidar LIDAR, Lidar lightmeter light meter lightweight light-weight Li-ion lithium-ion, Li-poly, LiPo li-ion, Li-Poly, LiPoly line-of-sight line of sight long-established long established look-up Look up (table) Loran LORAN low-cost low cost low-frequency low frequency low-gain low gain, lowgain low-level lowlevel low-light low light low-pass low pass, lowpass low-power low power man-made manmade marketplace market place microcontroller micro-controller microswitch micro-switch microSD micro SD, micro-SD micro-USB micro USB mid-range midrange millisecond milli second, milli-second mineral-bearing ore-bearing mineral bearing multimeter multi-meter nanotechnology nano-technology near-field near field, nearfield neutrally-buoyant neutrally buoyant nighttime night-time NiCd nicad, Ni-Cd NiMH Ni-MH north-east (etc) see south-west off-grid off grid offline off-line, off line omnidirectional omni-directional online on line, on-line op-amp opamp open-source open-hardware outbox Outbox over-sized oversized Pelicase peli case PC pc (as in flash connector) PCB pcb phased-array phased array phase-shift phase shift photodiode photo-diode photoplotting photo-plotting piezoelectric piezo-electric point-cloud pointcloud, point cloud post-processing post processing preamp pre-amp preset pre-set pull-up pull up push-button push button, pushbutton radar RADAR radiolocation radio-location rangefinder range-finder read-only read only real-time realtime real-world realworld, real world reed switch Reed switch, reed-switch RF r.f. round-up roundup, round up RS-232, RS-485 RS232 RS485 Rx RX screen-shot screen shot, screenshot setup set-up, set up short-circuit [As verb] shutdown shut-down sight lines sight-lines, sightlines signal-to-noise signal to noise single-board computer single board computer single-wire single wire smartphone smart phone smart meter Smart Meter, smartmeter solid-state solid state software-defined radio software defined radio south-west (etc) south west, southwest splashproof splash proof, splash-proof splay-scanning splay scanning standalone stand-alone start-up startup, start up stereophotography stereo photography stripboard strip-board subcarrier sub-carrier suboptimal sub-optimal substandard sub-standard subsurface sub-surface subsystem sub-system superconducting super-conducting surface-mount surface mount, surfacemount survey-grade navigational-grade survey grade, navigational grade switched-mode switched mode tea-light tealight tele-robotics telerobotics thermoelectric thermo-electric touchscreen touch screen topside top side try to try and twin-wire twin wire twisted-pair twisted pair Tx TX TXT txt (file type) webpage Web page, Webpage, Web-page webserver web server website Web site, web site workaround work-around wi-fi Wi-fi, Wi-Fi, wifi worldwide world-wide