File:OPALS Concept of Operations.png

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Description
English: OPALS Concept of Operations
  1. Telescope points to the ISS using orbital predictions (no active tracking on the ground)
  2. The ISS rises above tree-line elevation (approx. 25 degrees)
  3. Flight System detects the beacon on the camera and steers the gimbal to center on it.
  4. Communication laser is modulated with the video data as soon as the pass starts.
  5. Active tracking of beacon continues and video data is looped throughout the pass.
  6. Contact lasts approximately 100 seconds
  7. Flight and Ground Systems commence their post-Demonstration activities at a predetermined time
Date
Source Optical PAyload for Lasercomm Science (OPALS) at the Wayback Machine
Author NASA/Jet Propulsion Laboratory

Licensing[edit]

Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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Original upload log[edit]

The original description page was here. All following user names refer to id.wikipedia.
  • 2014-04-28 12:22 Aladdin Ali Baba 700×359× (33288 bytes) from http://phaeton.jpl.nasa.gov/external/projects/optical.cfm

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Date/TimeThumbnailDimensionsUserComment
current12:55, 11 June 2014Thumbnail for version as of 12:55, 11 June 20141,024 × 534 (414 KB)Ras67 (talk | contribs)higher resolution
12:54, 11 June 2014Thumbnail for version as of 12:54, 11 June 2014700 × 359 (33 KB)Ras67 (talk | contribs)== {{int:filedesc}} == {{Information |Description={{en|1=OPALS Concept of Operations}} |Source=http://phaeton.jpl.nasa.gov/external/projects/optical.cfm |Date=2014 |Author=NASA/Jet Propulsion Laboratory |Permission= |other_versions= }} == {{int:licens...

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