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StarFire is a wide-area differential GPS developed by John Deere's NavCom and precision farming groups. StarFire broadcasts additional "correction information" over satellite L-band frequencies around the world, allowing a StarFire-equipped receiver to produce position measurements accurate to well under one meter, with typical accuracy over a 24-hour period being under 4.5 cm. StarFire is ...
The present weather sensor (PWS) is a component of an automatic weather station that detects the presence of hydrometeors and determines their type (rain, snow, drizzle, etc.) and intensity. It works on a principle similar to a bistatic radar , noting the passage of droplets, or flakes, between a transmitter and a sensor.
The most common station plots depict surface weather observations although upper air plots at various mandatory levels are also frequently depicted. Station model plots use an internationally accepted coding convention that has changed little since August 1, 1941. Elements in the plot show the key weather elements, including temperature, dew ...
[2] [18] [19] The Alice Springs radar was fully integrated into the JORN during Phase 5 to provide a third active radar station. [17] Each radar station consists of a transmitter site and a receiver site, separated by a large distance to prevent the transmitter from interfering with the receiver. The JORN transmitter and receiver sites are:
In 2020, WIVB signed on with the New York State Mesonet, a state-operated weather station network. [34] WIVB-TV also previously operated a local Doppler radar in the 1990s and early 2000s (known as "4 × 4 Warn Doppler" because it factored in stations in Rochester , Syracuse and Cleveland ), but shut it down in the early 2000s in favor of using ...
WABM (channel 68) is a television station in Birmingham, Alabama, United States, affiliated with MyNetworkTV.It is owned by Sinclair Broadcast Group alongside Homewood-licensed CW affiliate WTTO (channel 21) and low-power ABC affiliate WBMA-LD (channel 58); Sinclair also operates Bessemer-licensed WDBB (channel 17), which serves as a full satellite station of WTTO, under a local marketing ...
Much of the site is devoted to the enormous overhead wire antenna array that is necessary to efficiently radiate the VLF waves. The antenna, shown above, consists of ten catenary cables, 5,640–8,700 ft (1,719–2,652 m, 1.1–1.6 miles) long, suspended in a zigzag pattern over the valley between Wheeler mountain and Blue mountain on twelve 200 ft. towers on the mountains' crests.
The station later received an additional authorization to broadcast weather reports on 485 meters. [ 8 ] The other three Philadelphia department store stations authorized in the first half of 1922 were WOO (licensed March 18, 1922, to John Wanamaker ), WFI (later WFIL , licensed March 18, 1922, to Strawbridge & Clothier ), and WDAR (later WLIT ...
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