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75-518: The AHRLAC (Advanced High Performance Reconnaissance Light Aircraft), also known as Mwari , is a South African light reconnaissance and counter-insurgency aircraft developed by Paramount Aerospace Industries , which started out as a joint venture between the Paramount Group and Aerosud . It is designed to perform as an inexpensive, more versatile substitute for unmanned aerial vehicles (UAVs) and modern light attack aircraft. On 26 July 2014,

150-485: A base station. Telemetry hardware is useful for tracking persons and property in law enforcement. An ankle collar worn by convicts on probation can warn authorities if a person violates the terms of his or her parole , such as by straying from authorized boundaries or visiting an unauthorized location. Telemetry has also enabled bait cars , where law enforcement can rig a car with cameras and tracking equipment and leave it somewhere they expect it to be stolen. When stolen

225-657: A business rescue plan was announced for AHRLAC, with Paramount taking full control of the Aerospace Development Corporation (ADC) and its subsidiaries, according to the proposition. In September 2020, ADC stated that production of the Ahrlac had restarted. The company claims to have made multiple sales of nine aircraft to two unnamed air forces. The first example was delivered on 23 September to an unnamed air force. A total of nine Mwari aircraft are on order. Paramount Aerospace Industries claims that they can build three

300-430: A decimeter band and PPM on a centimeter band. Telemetry has been used by weather balloons for transmitting meteorological data since 1920. Telemetry is used to transmit drilling mechanics and formation evaluation information uphole, in real time, as a well is drilled. These services are known as Measurement while drilling and Logging while drilling . Information acquired thousands of feet below ground, while drilling,

375-434: A development partnership with Paramount with the aim of producing a militarized version of the Ahrlac. Under this agreement, Boeing shall develop an integrated mission system that will provide the Ahrlac with intelligence, surveillance and reconnaissance (ISR) and weapons system capabilities; this equipment is presented as being optional, and some customers may prefer to opt for simpler systems instead. The militarized version of

450-841: A distance. In 1906 a set of seismic stations were built with telemetering to the Pulkovo Observatory in Russia. In 1912, Commonwealth Edison developed a system of telemetry to monitor electrical loads on its power grid. The Panama Canal (completed 1913–1914) used extensive telemetry systems to monitor locks and water levels. Wireless telemetry made early appearances in the radiosonde , developed concurrently in 1930 by Robert Bureau in France and Pavel Molchanov in Russia . Molchanov's system modulated temperature and pressure measurements by converting them to wireless Morse code . The German V-2 rocket used

525-596: A full-scale mockup of the Ahrlac was constructed, alongside a quarter-scale flight-capable model that was later used for a total of 80 test flights. The first full-scale prototype, designated as the Experimental Demonstrator (XDM), was completed using design for manufacture technology, which allowed for jigless construction to be performed, thus producing both time and cost savings. Of the aircraft's 6,000 components, 98 per cent had been designed using CATIA software and were domestically manufactured. In May 2014,

600-449: A large mission bay for avionics beneath the two-person cockpit, and the lower fuselage consists of a variety of interchangeable conformal modular units. These modules allow the aircraft to be outfitted with a variety of sensor systems such as infrared and optical cameras, synthetic aperture radar , electronic intelligence gathering and various electronic warfare packages. Additionally, electro-optical turrets can be installed both on

675-507: A major role in disease prevention and precision irrigation. These stations transmit parameters necessary for decision-making to a base station: air temperature and relative humidity , precipitation and leaf wetness (for disease prediction models), solar radiation and wind speed (to calculate evapotranspiration ), water deficit stress (WDS) leaf sensors and soil moisture (crucial to irrigation decisions). Because local micro-climates can vary significantly, such data needs to come from within

750-504: A pair of prototype unmanned vehicles, which had received the name "Mwari", had been produced. The Mwari UAV is considerably smaller than the manned Ahrlac counterpart, possessing a reduced flight endurance of only 4 hours along with a sensor turret in the nose. The UAV was renamed "Mwewe", as the Mwari name is used for an armed version of the full scale manned Ahrlac. In March 2016, American aerospace firm Boeing announced that it had entered into

825-430: A principal object of constant commercial telemetry. This typically includes monitoring of tank farms in gasoline refineries and chemical plants—and distributed or remote tanks, which must be replenished when empty (as with gas station storage tanks, home heating oil tanks, or ag-chemical tanks at farms), or emptied when full (as with production from oil wells, accumulated waste products, and newly produced fluids). Telemetry

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900-410: A ranging device (the rangefinding telemeter ), by the late 19th century the same term had been in wide use by electrical engineers applying it refer to electrically operated devices measuring many other quantities besides distance (for instance, in the patent of an "Electric Telemeter Transmitter" ). General telemeters included such sensors as the thermocouple (from the work of Thomas Johann Seebeck ),

975-465: A route truck or to a headquarters. This data could be used for a variety of purposes, such as eliminating the need for drivers to make a first trip to see which items needed to be restocked before delivering the inventory. Retailers also use RFID tags to track inventory and prevent shoplifting. Most of these tags passively respond to RFID readers (e.g., at the cashier), but active RFID tags are available which periodically transmit location information to

1050-546: A single Pratt & Whitney Canada PT6 A turboprop engine; it has a top speed of 310 mph, roughly double that of most helicopters and similar to larger military UAVs such as the General Atomics MQ-9 Reaper , along with a flight endurance of seven hours. It is flown by a crew of two, who are seated in tandem configuration, both being provided with Martin-Baker ejection seats and HOTAS (hands on stick-and-throttle) control functionality. The narrow airframe

1125-582: A system of primitive multiplexed radio signals called "Messina" to report four rocket parameters, but it was so unreliable that Wernher von Braun once claimed it was more useful to watch the rocket through binoculars. In the US and the USSR, the Messina system was quickly replaced with better systems; in both cases, based on pulse-position modulation (PPM). Early Soviet missile and space telemetry systems which were developed in

1200-628: A telephone or computer network , optical link or other wired communications like power line carriers. Many modern telemetry systems take advantage of the low cost and ubiquity of GSM networks by using SMS to receive and transmit telemetry data. A telemeter is a physical device used in telemetry. It consists of a sensor , a transmission path, and a display, recording, or control device. Electronic devices are widely used in telemetry and can be wireless or hard-wired, analog or digital . Other technologies are also possible, such as mechanical, hydraulic and optical. Telemetry may be commutated to allow

1275-575: A total of nine aircraft to two unnamed countries and that the first would be delivered immediately; the announcement was made at Africa Aerospace and Defence show on 21 September 2022. This marks the first sale of the aircraft and South Africa's first sale of a fixed-wing aircraft in 20 years. As of 28 February 2019, the AHRLAC program has been placed into business rescue with the Wonderboom factory being shut down and all 140 employees sent home. In August 2019,

1350-468: A year or five if demand requires more aircraft. In September 2023, the Democratic Republic of Congo ordered "several" aircraft. Mozambique already has some operational. The Ahrlac features a twin-boom , single-pusher-engine, high-mounted forward- swept wing configuration, giving the aircraft an unconventional external appearance and providing for excellent external visibility. It is powered by

1425-456: Is also recorded so the team can assess driver performance and (in case of an accident) the FIA can determine or rule out driver error as a possible cause. Later developments include two-way telemetry which allows engineers to update calibrations on the car in real time (even while it is out on the track). In Formula One, two-way telemetry surfaced in the early 1990s and consisted of a message display on

1500-555: Is also used for the remote monitoring of substations and their equipment. For data transmission, phase line carrier systems operating on frequencies between 30 and 400 kHz are sometimes used. In falconry , "telemetry" means a small radio transmitter carried by a bird of prey that will allow the bird's owner to track it when it is out of sight. Telemetry is used in testing hostile environments which are dangerous to humans. Examples include munitions storage facilities, radioactive sites, volcanoes, deep sea, and outer space. Telemetry

1575-500: Is composed of a combination of metal and composite construction and is designed to provide maximum crew visibility. The aircraft overall is claimed to be inexpensive and easy to manufacture, AHRLAC's CEO, Dr Paul Potgieter, has contrasted the ease of assembly to that of a Meccano set. The Ahrlac has been designed to be capable of operating from austere runways and rough fields; it also possesses STOL (Short Take Off/Landing) and rapid deployment capabilities. It has been envisioned that

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1650-519: Is especially useful when the clinical examination is limited. Telemetry is used to study wildlife, and has been useful for monitoring threatened species at the individual level. Animals under study can be outfitted with instrumentation tags, which include sensors that measure temperature, diving depth and duration (for marine animals), speed and location (using GPS or Argos packages). Telemetry tags can give researchers information about animal behavior, functions, and their environment. This information

1725-500: Is reportedly readily expandable to double its current size, dependent on customer demand. In 2014, the developers revealed that, in addition to the previously-announced crewed model of the Ahrlac, they were also in the process of developing an unmanned variant as well. According to Janes , the unmanned model of the Ahrlac had its origins in the quarter-scale model that had been produced for flight testing purposes, which had revealed favourable tendencies towards such use. By September 2014,

1800-430: Is sent through the drilling hole to the surface sensors and the demodulation software. The pressure wave (sana) is translated into useful information after DSP and noise filters. This information is used for Formation evaluation , Drilling Optimization, and Geosteering . Telemetry is a key factor in modern motor racing, allowing race engineers to interpret data collected during a test or race and use it to properly tune

1875-423: Is shaped distinctly differently, being more specialised to its low-intensity warfare role. In addition to existing manned products, the Ahrlac is intended to compete with UAVs in the marketplace; Paramount claims that the aircraft will be cheaper to acquire and operate than UAVs since the manned models of the Ahrlac shall not need the expensive subsystems required for the remote control of unmanned aircraft. In 2011,

1950-616: Is the in situ collection of measurements or other data at remote points and their automatic transmission to receiving equipment ( telecommunication ) for monitoring. The word is derived from the Greek roots tele , 'far off', and metron , 'measure'. Systems that need external instructions and data to operate require the counterpart of telemetry: telecommand . Although the term commonly refers to wireless data transfer mechanisms (e.g., using radio , ultrasonic, or infrared systems), it also encompasses data transferred over other media such as

2025-636: Is the primary source of real-time measurement and status information transmitted during the testing of crewed and uncrewed aircraft. Intercepted telemetry was an important source of intelligence for the United States and UK when Soviet missiles were tested; for this purpose, the United States operated a listening post in Iran . Eventually, the Russians discovered the United States intelligence-gathering network and encrypted their missile-test telemetry signals. Telemetry

2100-474: Is then either stored (with archival tags) or the tags can send (or transmit) their information to a satellite or handheld receiving device. Capturing and marking wild animals can put them at some risk, so it is important to minimize these impacts. At a 2005 workshop in Las Vegas , a seminar noted the introduction of telemetry equipment which would allow vending machines to communicate sales and inventory data to

2175-472: Is to be carried out for the Ahrlac's full lifecycle as well. By February 2015, the first prototype had completed 65 hours of incident-free flying; as a result, the test program proceeded to the next phase, under which the flight envelope was progressively expanded to explore and evaluate its handling, center of gravity, flight performance, airframe qualities, and rough field capabilities. According to Paramount, several prospective customers had shown interest in

2250-410: Is used by crewed or uncrewed spacecraft for data transmission. Distances of more than 10 billion kilometres have been covered, e.g., by Voyager 1 . In rocketry, telemetry equipment forms an integral part of the rocket range assets used to monitor the position and health of a launch vehicle to determine range safety flight termination criteria (Range purpose is for public safety). Problems include

2325-592: Is used by the railway industry for measuring the health of trackage . This permits optimized and focused predictive and preventative maintenance. Typically this is done with specialized trains, such as the New Measurement Train used in the United Kingdom by Network Rail , which can check for track defects, such as problems with gauge , and deformations in the rail. Japan uses similar, but quicker trains, nicknamed Doctor Yellow . Such trains, besides checking

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2400-413: Is used for patients ( biotelemetry ) who are at risk of abnormal heart activity, generally in a coronary care unit . Telemetry specialists are sometimes used to monitor many patients within a hospital. Such patients are outfitted with measuring, recording and transmitting devices. A data log can be useful in diagnosis of the patient's condition by doctors . An alerting function can alert nurses if

2475-576: Is used in many battery operated wireless systems to inform monitoring personnel when the battery power is reaching a low point and the end item needs fresh batteries. In the mining industry, telemetry serves two main purposes: the measurement of key parameters from mining equipment and the monitoring of safety practices. The information provided by the collection and analysis of key parameters allows for root-cause identification of inefficient operations, unsafe practices and incorrect equipment usage for maximizing productivity and safety. Further applications of

2550-830: Is used to communicate the variable measurements of flow and tank level sensors detecting fluid movements and/or volumes by pneumatic , hydrostatic , or differential pressure; tank-confined ultrasonic , radar or Doppler effect echoes; or mechanical or magnetic sensors. Telemetry of bulk solids is common for tracking and reporting the volume status and condition of grain and livestock feed bins, powdered or granular food, powders and pellets for manufacturing, sand and gravel, and other granular bulk solids. While technology associated with fluid tank monitoring also applies, in part, to granular bulk solids, reporting of overall container weight, or other gross characteristics and conditions, are sometimes required, owing to bulk solids' more complex and variable physical characteristics. Telemetry

2625-523: The European Space Agency (ESA), and other agencies use telemetry and/or telecommand systems to collect data from spacecraft and satellites. Telemetry is vital in the development of missiles, satellites and aircraft because the system might be destroyed during or after the test. Engineers need critical system parameters to analyze (and improve) the performance of the system. In the absence of telemetry, this data would often be unavailable. Telemetry

2700-711: The RB-47 , RB-57 , Boeing RC-135 and the Ryan Model 147 drones . Since the Cold War much of the strategic reconnaissance aircraft role has passed over to satellites , and the tactical role to unmanned aerial vehicles (UAVs). This has been proven in successful uses by the United States in Desert Storm operations. [REDACTED] Media related to Reconnaissance aircraft at Wikimedia Commons Telemetry Telemetry

2775-454: The resistance thermometer (by William Siemens based on the work of Humphry Davy ), and the electrical strain gauge (based on Lord Kelvin 's discovery that conductors under mechanical strain change their resistance ) and output devices such as Samuel Morse 's telegraph sounder and the relay . In 1889 this led an author in the Institution of Civil Engineers proceedings to suggest that

2850-529: The 19th century. One of the first data-transmission circuits was developed in 1845 between the Russian Tsar 's Winter Palace and army headquarters. In 1874, French engineers built a system of weather and snow-depth sensors on Mont Blanc that transmitted real-time information to Paris . In 1901 the American inventor C. Michalke patented the selsyn , a circuit for sending synchronized rotation information over

2925-587: The 20th century, machines for powered and controllable flight were not available to military forces, but some attempts were made to use lighter than air craft. During the Napoleonic Wars and Franco-Prussian War , balloons were used for aerial reconnaissance by the French. In World War I , aircraft were deployed during early phases of battle in reconnaissance roles as 'eyes of the army ' to aid ground forces. Aerial reconnaissance from this time through 1945

3000-532: The Ahrlac conducted its maiden flight ; on 13 August 2014, the aircraft performed its first public flight display at Wonderboom Airport . Both armed and unarmed models of the aircraft are sold, as well as a potential unmanned version. In 2009, Paramount Group began working on a new light turboprop -powered counter-insurgency aircraft. The design study examined a fixed-wing aircraft as an affordable platform for both civilian and military applications as an alternative to unmanned aerial vehicles (UAVs). The design of

3075-526: The Ahrlac project was formally initiated. According to its developers, the aircraft has been designed with the needs of First World customers in mind. It has also been claimed by its designers that the Ahrlac is to be the first fully indigenous military aircraft developed in Africa; additionally, it shall be the first South African military aircraft of any sort since the Denel Rooivalk attack helicopter, In 2011,

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3150-531: The Ahrlac shall be marketed under the name "Mwari". In February 2018, an announcement was made that the improved AHRLAC design will be marketed in the USA under the name "Bronco II" . In May 2020, BRONCO II, Paramount Group's Americanized variant of the AHRLAC, in partnership with Leidos and Vertex Aerospace, offered the light attack and surveillance aircraft to U.S. Special Operations Command, or SOCOM, for its Armed Overwatch program. Paramount announced that it had sold

3225-774: The aircraft is also modular and can be added or removed entirely dependent on the mission requirements. Conformal fuel tanks carried underneath the tail booms have also been offered as an option for the type; when equipped with external fuel tanks, the Ahrlac is capable of a 2,000 nm ferry range. Armed Mwari models are presented as being ideal for low-intensity warfare, such as for combat against insurgents and armed criminal elements, as well as patrol work performed by civilian border guard and law enforcement agencies. Data from AW&ST, AHRLAC official site General characteristics Performance Armament Aircraft of comparable role, configuration, and era Related lists Reconnaissance aircraft Before

3300-410: The aircraft shall perform various mission roles, including intelligence, surveillance, target acquisition, and reconnaissance (ISTAR) and counter-insurgency missions; coastal patrol , anti- smuggling and disaster relief capabilities are also projected mission profiles. In order for the Ahrlac to effectively engage in the diverse range of missions it is capable of, it features a reconfigurable nose,

3375-536: The aircraft, particularly from the Middle East ; the construction of the second prototype was also underway and had been proceeding smoothly so far. The initial prototype is claimed to have "matched all out initial predictions very closely". By September 2016, the prototype had accumulated 250 flying hours during tests, as well as a total of four deployments to the South African border and to neighbouring Botswana for

3450-412: The car for optimum performance. Systems used in series such as Formula One have become advanced to the point where the potential lap time of the car can be calculated, and this time is what the driver is expected to meet. Examples of measurements on a race car include accelerations ( G forces ) in three axes, temperature readings, wheel speed, and suspension displacement. In Formula One, driver input

3525-552: The crop. Monitoring stations usually transmit data back by terrestrial radio , although occasionally satellite systems are used. Solar power is often employed to make the station independent of the power grid. Telemetry is important in water management , including water quality and stream gauging functions. Major applications include AMR ( automatic meter reading ), groundwater monitoring, leak detection in distribution pipelines and equipment surveillance. Having data available in almost real time allows quick reactions to events in

3600-652: The dashboard which the team could update. Its development continued until May 2001, when it was first allowed on the cars. By 2002, teams were able to change engine mapping and deactivate engine sensors from the pit while the car was on the track. For the 2003 season, the FIA banned two-way telemetry from Formula One; however, the technology may be used in other types of racing or on road cars. One way telemetry system has also been applied in R/C racing car to get information by car's sensors like: engine RPM, voltage, temperatures, throttle. In

3675-454: The developers had identified an increasing level of market demand for such an aircraft. Critically, it was recognised that jet-powered aircraft such as the Sukhoi Su-25 that were typically being used in this role were often overly-equipped and quite costly to operate in such capacities; thus a strong emphasis on low-cost operations was established early on. In September 2011, design work on

3750-658: The development of devices such as radar , military forces relied on reconnaissance aircraft for visual observation and scouting of enemy movement. An example is the PBY Catalina maritime patrol flying boat used by the Allies in World War II : a flight of U.S. Navy Catalinas spotted part of the Japanese fleet approaching Midway Island, beginning the Battle of Midway . Prior to

3825-710: The epilepsy monitoring unit, neuro ICU, pediatric ICU and newborn ICU. Due to the labor-intensive nature of continuous EEG monitoring NT is typically done in the larger academic teaching hospitals using in-house programs that include R.EEG Technologists, IT support staff, neurologist and neurophysiologist and monitoring support personnel. Modern microprocessor speeds, software algorithms and video data compression allow hospitals to centrally record and monitor continuous digital EEGs of multiple critically ill patients simultaneously. Neurotelemetry and continuous EEG monitoring provides dynamic information about brain function that permits early detection of changes in neurologic status, which

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3900-478: The extreme environment (temperature, acceleration and vibration), the energy supply , antenna alignment and (at long distances, e.g., in spaceflight ) signal travel time . Today nearly every type of aircraft , missiles , or spacecraft carries a wireless telemetry system as it is tested. Aeronautical mobile telemetry is used for the safety of the pilots and persons on the ground during flight tests. Telemetry from an on-board flight test instrumentation system

3975-516: The field. Telemetry control allows engineers to intervene with assets such as pumps and by remotely switching pumps on or off depending on the circumstances. Watershed telemetry is an excellent strategy of how to implement a water management system. Telemetry is used in complex systems such as missiles, RPVs, spacecraft , oil rigs , and chemical plants since it allows the automatic monitoring, alerting, and record-keeping necessary for efficient and safe operation. Space agencies such as NASA , ISRO ,

4050-483: The flight test program commenced at Wonderboom Airport near Pretoria , the first prototype having been moved there from Aerosud 's facility in Centurion, Gauteng . In July 2014, the ground test phase was reportedly completed. On 26 July 2014, the first Ahrlac prototype conducted its maiden flight from Wonderboom. It was initially deployed on a 20-hour flight test program to contrast computer simulations against data from

4125-589: The item, its package, or (for large items and bulk shipments) affixed to its shipping container or vehicle. This facilitates knowledge of their location, and can record their status and disposition, as when merchandise with barcode labels is scanned through a checkout reader at point-of-sale systems in a retail store. Stationary or hand-held barcode RFID scanners or Optical reader with remote communications, can be used to expedite inventory tracking and counting in stores, warehouses, shipping terminals, transportation carriers and factories. Fluids stored in tanks are

4200-572: The late 1940s used either PPM (e.g., the Tral telemetry system developed by OKB-MEI) or pulse-duration modulation (e.g., the RTS-5 system developed by NII-885). In the United States, early work employed similar systems, but were later replaced by pulse-code modulation (PCM) (for example, in the Mars probe Mariner 4 ). Later Soviet interplanetary probes used redundant radio systems, transmitting telemetry by PCM on

4275-610: The manufacturer stated that the price of the aircraft was projected at being under US$ 10 million per aircraft; the potential market for Ahrlac has been described as potentially being "in the hundreds or thousands of units". According to aviation author Bill Sweetman, the Ahrlac is likely to come at least partially into competition with the Embraer EMB 314 Super Tucano and the Beechcraft T-6 Texan II ; unlike either of those aircraft, it does not have any trainer heritage and thus

4350-716: The most efficient use of energy. Such systems also facilitate predictive maintenance . Many resources need to be distributed over wide areas. Telemetry is useful in these cases, since it allows the logistics system to channel resources where they are needed, as well as provide security for those assets; principal examples of this are dry goods, fluids, and granular bulk solids. Dry goods, such as packaged merchandise, may be tracked and remotely monitored, tracked and inventoried by RFID sensing systems, barcode reader , optical character recognition (OCR) reader, or other sensing devices—coupled to telemetry devices, to detect RFID tags , barcode labels or other identifying markers affixed to

4425-507: The nose and belly of the aircraft. The avionics employ an open architecture , further adding to the ease of adding, upgrading and swapping components and systems. The armed Mwari version is designed to carry a single 20 mm cannon , which is internally mounted into the fuselage. Additionally, it is fitted with either four or six hardpoints for carrying weapons mounted under the wings, including rocket pods, unguided bombs , and various air-to-surface and air-to-air missiles . Armour for

4500-430: The patient is suffering from an acute (or dangerous) condition. Systems are available in medical-surgical nursing for monitoring to rule out a heart condition, or to monitor a response to antiarrhythmic medications such as amiodarone . A new and emerging application for telemetry is in the field of neurophysiology, or neurotelemetry. Neurophysiology is the study of the central and peripheral nervous systems through

4575-407: The proposed aircraft drew on the company's prior experience producing helicopters, and several design elements, such as the steep tandem canopy adopted, have been attributed to this source of inspiration; the aircraft is intended to act as a viable alternative for helicopters. It had been conceived as an affordable intelligence, surveillance, and reconnaissance (ISR) and light-strike platform, for which

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4650-488: The prototype's real-world flight performance; during each of these flights, telemetry data was gathered inflight by a specially-equipped Pilatus PC-12 chase plane. The initial prototype is to be used to prove the flight characteristics and performance of the aircraft, while the second prototype, designated as the Advanced Demonstrator (ADM), shall be for testing armaments and mission systems. Advanced flight testing

4725-478: The purpose of operationally representative trials. An improvised trial flight had also been conducted during an outbreak of civil unrest in South Africa. By September 2016, the developers were in the process of building a new assembly line at Wonderboom, this facility is expected to produce the initial two production aircraft in 2017. The Wonderboom factory is to be capable of producing up to two aircraft per month; it

4800-469: The recording of bioelectrical activity, whether spontaneous or stimulated. In neurotelemetry (NT) the electroencephalogram (EEG) of a patient is monitored remotely by a registered EEG technologist using advanced communication software. The goal of neurotelemetry is to recognize a decline in a patient's condition before physical signs and symptoms are present. Neurotelemetry is synonymous with real-time continuous video EEG monitoring and has application in

4875-415: The technology allow for sharing knowledge and best practices across the organization. In software, telemetry is used to gather data on the use and performance of applications and application components, e.g. how often certain features are used, measurements of start-up time and processing time, hardware, application crashes, and general usage statistics and/or user behavior. In some cases, very detailed data

4950-426: The telemetry equipment reports the location of the vehicle, enabling law enforcement to deactivate the engine and lock the doors when it is stopped by responding officers. In some countries, telemetry is used to measure the amount of electrical energy consumed. The electricity meter communicates with a concentrator , and the latter sends the information through GPRS or GSM to the energy provider's server. Telemetry

5025-564: The telemetry from Soviet missile tests by building a telemeter of their own to intercept the radio signals and hence learn a great deal about Soviet capabilities. Telemeters are the physical devices used in telemetry. It consists of a sensor , a transmission path, and a display, recording, or control device. Electronic devices are widely used in telemetry and can be wireless or hard-wired, analog or digital . Other technologies are also possible, such as mechanical, hydraulic and optical. Telemetering information over wire had its origins in

5100-472: The term for the rangefinder telemeter might be replaced with tacheometer . In the 1930s use of electrical telemeters grew rapidly. The electrical strain gauge was widely used in rocket and aviation research and the radiosonde was invented for meteorological measurements. The advent of World War II gave an impetus to industrial development and henceforth many of these telemeters became commercially viable. Carrying on from rocket research, radio telemetry

5175-590: The tracks, can also verify whether or not there are any problems with the overhead power supply (catenary), where it is installed. Dedicated rail inspection companies, such as Sperry Rail , have their own customized rail cars and rail-wheel equipped trucks, that use a variety of methods, including lasers, ultrasound, and induction (measuring resulting magnetic fields from running electricity into rails) to find any defects. Most activities related to healthy crops and good yields depend on timely availability of weather and soil data. Therefore, wireless weather stations play

5250-410: The transmission of multiple data streams in a fixed frame . The beginning of industrial telemetry lies in the steam age , although the sensor was not called telemeter at that time. Examples are James Watt 's (1736-1819) additions to his steam engines for monitoring from a (near) distance such as the mercury pressure gauge and the fly-ball governor . Although the original telemeter referred to

5325-430: The transportation industry, telemetry provides meaningful information about a vehicle or driver's performance by collecting data from sensors within the vehicle. This is undertaken for various reasons ranging from staff compliance monitoring, insurance rating to predictive maintenance. Telemetry is used to link traffic counter devices to data recorders to measure traffic flows and vehicle lengths and weights. Telemetry

5400-690: The visual range of the ship's lookouts, and could spot the fall of shot during long range artillery engagements. Observation seaplanes were replaced by helicopters after World War II. After World War II and during the Cold War the United States developed several dedicated reconnaissance aircraft designs, including the U-2 and SR-71 , to monitor the nuclear arsenal of the Soviet Union . Other types of reconnaissance aircraft were built for specialized roles in signals intelligence and electronic monitoring, such as

5475-509: Was also a source for the Soviets, who operated listening ships in Cardigan Bay to eavesdrop on UK missile tests performed in the area . In factories, buildings and houses, energy consumption of systems such as HVAC are monitored at multiple locations; related parameters (e.g., temperature) are sent via wireless telemetry to a central location. The information is collected and processed, enabling

5550-554: Was mostly carried out by adapted versions of standard fighters and bombers equipped with film cameras . Photography became the primary and best-known method of intelligence collection for reconnaissance aircraft by the end of World War II . World War I also saw use of floatplanes to locate enemy warships. After the battle of Jutland demonstrated the limitations of seaplane tenders , provisions were made for capital ships to carry, launch, and recover observation seaplanes . These seaplanes could scout for enemy warships beyond

5625-484: Was used routinely as space exploration got underway. Spacecraft are in a place where a physical connection is not possible, leaving radio or other electromagnetic waves (such as infrared lasers) as the only viable option for telemetry. During crewed space missions it is used to monitor not only parameters of the vehicle, but also the health and life support of the astronauts. During the Cold War telemetry found uses in espionage. US intelligence found that they could monitor

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