Help


[permalink] [id link]
+
Page "United States Space Surveillance Network" ¶ 51
from Wikipedia
Edit
Promote Demote Fragment Fix

Some Related Sentences

GEODSS and tracks
Each GEODSS site tracks approximately 3, 000 objects per night out of 9, 900 object that are regularly tracked and accounted for.

GEODSS and objects
GEODSS system can track objects as small as a basketball more than 20, 000 miles ( 30, 000 km ) in space or a chair at, and is a vital part of USSTRATCOM ’ s Space Surveillance Network.

GEODSS and from
Originally, the fifth GEODSS was planned to be operated from a site in Portugal, but this was never built.
File: AEOS MSSS GEODSS. jpg | Air Force facilities from the west

GEODSS and .
NEAT has a cooperative agreement with the U. S. Air Force to use a GEODSS telescope located on Haleakala, Maui, Hawaii.
GEODSS stands for Ground-based Electro-Optical Deep Space Surveillance and these wide field Air Force telescopes were designed to optically observe Earth orbital spacecraft.
The NEAT team designed a CCD camera and computer system for the GEODSS telescope.
Ground-based Electro-Optical Deep Space Surveillance, or GEODSS, is an optical system that uses telescopes, low-light level TV cameras, and computers.
GEODSS requires nighttime and clear weather tracking because of the inherent limitations of an optical system.
The GEODSS uses two telescopes and one telescope.
The facility involves telescope-like equipment housed in several large spheres, similar to the U. S. GEODSS system.

tracks and objects
Today, the catalogue most often used is USNO-B1. 0, an all-sky catalogue that tracks proper motions, positions, magnitudes and other characteristics for over one billion stellar objects.
As a garbage collection algorithm, reference counting tracks, for each object, a count of the number of references to it held by other objects.
The SSN currently tracks more than 8, 000 man-made orbiting objects.
The SSN tracks objects that are 10 centimeters in diameter or larger ; those now orbiting Earth range from satellites weighing several tons to pieces of spent rocket bodies weighing only 10 pounds.
* Collections Management / Registrar – responsible for the care and maintenance of all objects in the museum ’ s collection, tracks movement of objects in and out of the museum on loan or on exhibition, records information about objects in databases-such as an object's provenance.
The Joint Space Operations Center, part of United States Strategic Command ( formerly the United States Space Command ), currently tracks more than 8, 500 objects larger than 10 cm in LEO, however a limited Arecibo Observatory study suggested there could be approximately one million objects larger than 2 millimeters, which are too small to be visible from Earth.
It then tracks changes to these objects and can reverse those changes on demand, such as when a user performs an undo command.
UWB radar has been proposed as the active sensor component in an Automatic Target Recognition application, designed to detect humans or objects that have fallen onto subway tracks.
Alternative conventions to node-link diagrams include adjacency representations such as circle packings, in which vertices are represented by disjoint regions in the plane and edges are represented by adjacencies between regions ; intersection representations in which vertices are represented by non-disjoint geometric objects and edges are represented by their intersections ; visibility representations in which vertices are represented by regions in the plane and edges are represented by regions that have an unobstructed line of sight to each other ; confluent drawings, in which edges are represented as smooth curves within mathematical train tracks ; and visualizations of the adjacency matrix of the graph.
In Eno's influential work, found objects are credited on many tracks.
These are typically constructed as drawings, PCB objects ( tracks and pads ) are lost, which makes them very difficult to use in CAM.
Very impractical to work with because PCB objects ( tracks and pads ) are lost.
In addition to spyware and adware detection and disinfection, Spybot-S & D can repair the registry, winsock LSPs, ActiveX objects, browser hijackers and BHOs, PUPS, computer cookies, trackerware, heavy duty, homepage hijackers, keyloggers, LSP, tracks, trojans, spybots, revision, and other kinds of malware.
The game also tracks which objects the player has collected at any time, allowing them to review all the various objects within the game.
Elaborate controls are used to ensure that the rats are not simply using their sense of smell, either to sense unclaimed food objects or to sense their own tracks.
Of that number, the SSN currently tracks more than 8, 000 orbiting objects.
The SSN tracks space objects which are 10 centimeters in diameter ( baseball size ) or larger.
SST detects, tracks, and can discern small, obscure objects, in deep space with a " wide field of view system ".
Employing sophisticated sensors that include an adaptive optics system, radiometer, spectrograph, and long-wave infrared imager, the telescope tracks man-made objects in deep space and performs space object identification data collection.

tracks and deep
* 1915 – Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
In a soft medium, such as the mud in this photograph, the foot pads will clearly show ( these are the deep, darker areas where the fingers and toes meet the rest of the hand or foot, which have been filled with plant debris by wind due to the advanced age of the tracks ).
Many half tracks, jeeps and trucks floundered in deep water ; those that made it ashore soon became jammed up on the narrowing beach, making easy targets for the German defenders.
The magnifcent large dragonfly Hemianax papuensis hawks through the park all year long, while in summer the beautiful Rhyothemis graphiptera, with wings barred with glistening dark purple, waft slowly along the tracks, and deep red Diplacodes bipunctata males sun themselves on twigs low to the ground.
The vehicles have wheels with rubber tyres which run on rolling pads inside guide bars for traction, as well as traditional railway steel wheels with deep flanges on steel tracks for guidance through conventional switches as well as guidance in case a tyre fails.
* 1831: the first deep underground anthracite coal mine in America was opened here in 1831 just West of the Seventh Avenue crossing on the Delaware & Hudson tracks.
Following the tire tracks over a steep embankment, the searchers came to a deep eddy on the Skagit River where the getaway car was discovered.
Laser altimeter data obtained during the Apollo 15 and 16 missions showed that the northern portion of this basin was very deep, but since these data were only available along the near-equatorial ground tracks of the orbiting Command and Service Modules, the topography of the rest of the basin remained unknown.
Self propelled Gleaner combines could be fitted with special tracks instead of tires or tires with tread measuring almost 10in deep to assist in harvesting rice.
This had somehow been given by Winchester locals to the deep drovers ' tracks on Twyford Down.
Eared pheasants move across deep snow by whirring their wings and fluttering close to the ground, and supporting their weight on their retrices, leave characteristic if somewhat other worldly appearing tracks.
Later deep house tracks ( 1993 — 94 ) were more heavily influenced by disco and even merged into a disputable disco house genre.
A variety of underground and mainline services have operated over the sub-surface tracks, but the original station was completely rebuilt in conjunction with the construction of the deep level platforms and Portcullis House which sits above the station.
The station has two main levels of tracks and a deep underground station for the Tōhoku Shinkansen tracks.
A deep pit would be dug along a deer trail, covered with brush, the trail restored including adding deer tracks using a hoof, and all dirt and human evidence taken away.
For deep snow use, wider tracks, employing addition belts, are used for added flotation over the snow.
It is generally characterized by having large tires with deep, open treads, a flexible suspension, or even caterpillar tracks.
It has one island platform between the two tracks located deep below West 41st Street.
This deep underground station, opened August 23, 1920, is the northernmost on the IRT Nostrand Avenue Line and the only one that has one island platform and two tracks.
Specific synthesizer patches are Vangelis ' strings and brass, a piano ( track 3 ), a marimba-like sequence ( track 4 ), sharp arpeggio sequences ( tracks 1 and 5 ) and a deep mallet percussion ( track 5 ).
The new work was a prosecution of the way begun with Labyrinth, with songs of deep atmosphere and tracks like " Just Soldier ", but with a deeper introspection.
The railroad was built by thousands of workers, who laid tracks around glaciers, across canyons and through deep snow and avalanche areas.
Stations still played longer songs and deep album tracks ( rather than just singles ), but program directors and consultants took on a greater role in song selection, generally limiting airplay to just a few “ focus tracksfrom a particular album and concentrating on artists with a slicker-produced, " commercial " sound than what had been featured a few years earlier.

7.075 seconds.