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The TLE format is a de facto standard for distribution of an Earth-orbiting object's orbital elements. A TLE set may include a title line preceding the element data, so each listing may take up three lines in the file, in which case the TLE is referred to as a three-line element set (3LE), instead of a two-line element set (2LE). The title is ...
The form for renewal of a broadcast license in the United States is FCC Form 303-S. While the Form 303-S License Application consists of yes-or-no questions and certifications, the process of renewing the license is complex; the FCC requires that licensees certify that they were in compliance with all rules and regulations during the prior ...
Pennsylvania Spatial Data Access (PASDA), [4] the official public geospatial data clearinghouse for the Commonwealth of Pennsylvania marked its 18th year in 2014. PASDA, which has grown from a small website offering 35 data sets in 1996 to the expansive user-centered data clearinghouse that it is today, has become a staple of the GIS community in Pennsylvania.
In late 1986, the monthly fees were $17.50 and the service was available in Nebraska, Minnesota, Iowa, and Illinois. Public broadcasting station WILL-TV in Champaign was one broadcaster that carried the Dataline signal. [9] At the beginning of 1987 Dataline had 5,300 subscribers; that grew to 10,000 by May [10] [11] and 13,500 in ten states by ...
Satellite TV providers like DirecTV and EchoStar’s Dish were once some of the biggest distributors of the TV bundle. The competition ramped up when cable TV companies began offering broadband.
In 2022 the FCC began charging a Congressionally-mandated $35 administrative fee. Private individuals recognized through a Volunteer Examiner Coordinator (VEC) who administer the examinations may recoup their expenses by charging a fee in addition to the FCC's fee. Licenses currently remain valid for ten years from the date of issuance or renewal.
For orbit propagation purposes, there is a field for BSTAR drag in two-line element set (TLE) files, where it is to be given in units of inverse Earth radii. [2] The corresponding reference air density is given as 0.15696615 kg / ( m 2 ⋅ R Earth ) {\displaystyle 0.15696615{\text{ kg}}/(\mathrm {m} ^{2}\cdot R_{\text{Earth}})} . [ 3 ]
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