File:330-PSA-286-60 (USN 710829) (21453593502).jpg
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| Description | 330-PSA-286-60 (USN 710829): New Navigational Satellite. The Transit ground stations receive the Doppler data from satellite at T1. The data are corrected for the effect of ionospheric refraction and sent to a Computing Center which then calculates new orbital parameters for the satellite for several days in advance. This information is transmitted to an Injection Station, and twice a day as the satellite passes within range at T2, the Injection Station transmits to the satellite these new orbital parameters and a time correction. From then on, the satellite transmits once each minute the data received from the Injection Station (it transmits the other satellite signals continuously), When the satellite at T3 is within range of a ship with special receiving equipment, the navigator can by a simple pushbutton operation obtain the most accurate navigational fix ever before possible. Artwork by Roger Simmons. Photograph released November 11, 1960. (9/15/15). |
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| Source | 330-PSA-286-60 (USN 710829) |
| Author | National Museum of the U.S. Navy |
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This image was originally posted to Flickr by Photograph Curator at https://flickr.com/photos/127906254@N06/21453593502 (archive). It was reviewed on 10 July 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
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This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:23, 10 July 2018 | | 2,532 × 1,608 (2.11 MB) | Hiàn (alt) (talk | contribs) | Transferred from Flickr via #flickr2commons |
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