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The HP DeskJet 520 introduced resolution enhancement technology, or REt, to HP inkjet printers. It was also HP's last black-and-white-only inkjet printer. The HP DeskJet 500, 510, 520, 500C, 550C, and 560C were all replaced by the HP DeskJet 540 (3 ppm B&W, 1.5 minutes per page color). A one-pen inkjet printer, color was optional.
2500, 2600, 2700 US: External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.) [3] 3000 Australia: Civil flights in classes A, C and D airspace, or IFR flights in class E airspace. [6] US: External ARTCC subset.
Fire Service Exploring is a program offered by Learning for Life that introduces major aspects of the fire service to young adults ages 14–21, or in the ninth grade. Once enough training has been acquired, Explorers can be allowed on actual fire-related emergency calls under certain conditions such as:
The development of NFPA 704 is credited to the Charlotte Fire Department after a fire at the Charlotte Chemical Company in 1959 led to severe injuries to many of the firefighters. [4] [5] Upon arrival, the fire crew found a fire burning inside a vat that firefighters assumed to be burning kerosene. The crew tried to suppress the fire, which ...
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Rig control companion program Flarq: Automatic Repeat reQuest companion program for Fldigi GNU Radio: GPL: Windows, macOS, Linux: software-defined radio and signal processing SDRangel: GPL: Windows, macOS, Linux: software-defined radio SDR# Freeware Windows software-defined radio receiver SDR++: GPL: Windows, macOS, Linux, Android: software ...
Fire department vehicles outside a fire station in Middleborough, Massachusetts, United States. A fire department (North American English) or fire brigade (Commonwealth English), also known as a fire company, fire authority, fire district, fire and rescue, or fire service in some areas, is an organization that provides fire prevention and fire suppression services as well as other rescue services.
Dorothy Kirsten and Gordon MacRae at work on the program, 1950 The Railroad Hour was a radio series of musical dramas and comedies broadcast from the late 1940s to the mid-1950s. Sponsored by the Association of American Railroads , the series condensed musicals and operettas to shorter lengths, concentrating on those written before 1943.