USA 211, or Wideband Global SATCOM 3 (WGS F3) is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM programme. Launched in 2009, it was the third WGS satellite, and final Block I …

WGS-3 (USA-211) was launched on 6 December 2009, at 01:47:00 UTC, covers the Atlantic Ocean. The satellite was launched by a Delta IV M+ (5,4) launch vehicle, originally an Atlas V 421 but replaced with WGS-2.

The WGS system is composed of three principal segments: Space Segment (satellites), Control Segment (operators) and Terminal Segment (users). The space segment is a constellation of geo-synchronous military communications satellites that leverage cost-effective production methods to deliver high throughput Ka- and X-band Services.

2009年12月6日 · WGS F3 (USA 211), 36108 is a payload satellite owned by USAF SMC (US) in GEO that was launched on Sun, 06 Dec 2009 UTC via a DELTA 4M+(5,4) launch vehicle from the Air Force Eastern Test Range (AFETR).

2025年3月8日 · WGS F3 is the Air Force's third Wideband Global SATCOM communications satellite, weighing a hefty 12,800 pounds (5,800 kg). This satellite is the third in a major program to upgrade to the military's main communications infrastructure, replacing the aging Defense Satellite Communications System (DSCS) spacecraft.

2010年8月3日 · Boeing announced Monday that WGS-3, the third Wideband Global Satcom satellite, has entered Air Force service. “This milestone means that our warfighters around the world, even deep in the mountains or far out at sea, can now reap the benefits of high-capacity communications,” said Col. Don Robbins, commander of the WGS Satcom Group at Los ...

The World Geodetic System (WGS) is a standard used in cartography, geodesy, and satellite navigation including GPS. The current version, WGS 84, defines an Earth-centered, Earth-fixed coordinate system and a geodetic datum, and also describes the associated Earth Gravitational Model (EGM) and World Magnetic Model (WMM).

2024年12月27日 · 3度投影带是从东经1度30分（1.5度）经线开始，按经差3度为一个投影带自西向东划分，全球共分120个投影带。 平面直角坐标系统 为了便于地形图的测量作业，在高斯-克吕格投影带内布置了平面直角坐标系统，具体方法是：

2023年9月14日 · 如果不用带带号的，采用所在区域中央经度，如：CGCS2000 3 Degree GK CM 114E。 如果带带号，则为CGCS2000 3 Degree GK Zone 25。 3度带会写 3 Degree。 以下是3和6度带的示意图。 上一步将GCGS2000地理坐标系转换为GCGS2000投影坐标系后，打开上一步转换成投影坐标系后的shp文件，单击图层，右键属性，常规里，将十进制单位改成米。 前面我们在选带号是，有带带号，也有没带带号。 x（对应纬度）是7位，不变。 文章浏览阅读10w+次， …

2018年10月12日 · UTM 投影(Universal Transverse Mercator，通用横轴墨卡托投影)是由美国军方在1947提出的，美国本土采用Clarke 1866椭球体以外，UTM在世界其他地方都采用WGS 1984。 UTM 投影是一种等角横轴割圆柱投影，圆柱割地球于南纬80度、北纬84度两条等高圈，被许多国家用作地形图的数学基础，如中国采用的高斯-克吕格投影就是UTM投影的一种变形，很多遥感数据，如Landsat和Aster数据都应用UTM投影发布的。 UTM投影将北纬84度和南纬80度之间的 …