File:FocusAccess.png
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Summary
| Description |
English: Use of a "cherry-picker" type truck to load liquid helium to an amplifier located at the focus of a radio telescope. |
| Date | |
| Source | http://descanso.jpl.nasa.gov/Monograph/series10/03_Reid_chapt+3.pdf |
| Author | Robert C. Clauss and James S. Shell |
From Chapter 3, Ruby Masers, of Low-Noise Systems in the Deep Space Network, edited by Macgregor S. Reid. February 2008.
Licensing
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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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Warnings:
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:37, 25 June 2012 | | 530 × 562 (336 KB) | LouScheffer |
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