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Rosemount Inc. is a subsidiary of Emerson Electric Company. Its headquarters is located in Shakopee, Minnesota , where they manufacture measurement instrumentation such as pressure, temperature, level, DP flow, and wireless, as well as analytical and detection instrumentation for gas analysis, liquid analysis, combustion measurement and flame ...
In the following there are lists of sites of notable radio transmitters.During the early history of radio many countries had only a few high power radio stations, operated either by the government or large corporations, which broadcast to the population or to other countries.
The HART Communication Protocol (Highway Addressable Remote Transducer) is a hybrid analog+digital industrial automation open protocol. Its most notable advantage is that it can communicate over legacy 4–20 mA analog instrumentation current loops, sharing the pair of wires used by the analog-only host systems.
The International Telecommunication Union uses an internationally agreed system for classifying radio frequency signals. Each type of radio emission is classified according to its bandwidth, method of modulation, nature of the modulating signal, and type of information transmitted on the carrier signal.
AN/ALT - Airborne Countermeasures Transmitters Designation Purpose/Description Location/Used By Manufacturer AN/ALT-13: Electronic countermeasure barrage transmitter: B-52 Stratofortress: Hallicrafters: AN/ALT-15: Electronic countermeasure barrage transmitter: B-52 Stratofortress: Hallicrafters: AN/ALT-16: Electronic countermeasure transmitter ...
The most basic radio-navigational aid used in aviation is the non-directional beacon or NDB. It is a simple low- and medium-frequency transmitter used to locate airway intersections and airports and to conduct instrument approaches, with the use of a radio direction finder located on the aircraft.
Craigkelly is one of the few main transmitters which did not return to its original group at Digital Switchover (DSO). However, when Craigkelly went through its 700 MHz clearance [ 6 ] in October 2018 all of the main 6 muxes returned to the A group, the only two outside being muxes 7 and 8 (see Craigkelly's graph ) which were to be switched off ...
The Synchronized Beacon Project (SBP) is an effort to deploy coordinated beacon transmitters on 50 MHz using a one-minute transmitting sequence of PI4, CW, and unmodulated carrier. Since modern beacon transmitters are multi-mode and frequency-agile, beacons that normally transmit on other time-multiplexed modes such as WSPR can take part in the ...