Lêer:207457main antenna-331-2426a-516.jpg

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English: On March 22, 1956, preliminary satellite tracking tests began in a field near JPL. The antenna is being assembled in the photo above. The prototype Microlock ground receiving station included the antenna, instrumentation built into a 25-foot van, generators, and other equipment. Less than two years later, the Microlock receiving station helped tracked the successful orbit of Explorer 1. Photo number 331-2426A
Datum
Bron https://www.nasa.gov/mission_pages/explorer/antenna.html (direct link)
Outeur NASA / JPL / B. Rowe
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: 331-2426A.

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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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  • 2012-01-31 14:08 RadioFan 516×542× (33786 bytes) {{Information |Description = On March 22, 1956, preliminary satellite tracking tests began in a field near JPL. The antenna is being assembled in the photo above. The prototype Microlock ground receiving station included the antenna, instrumentation b

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image/jpeg

checksum Engels

88eec74656955f5b78adf79b941ca3e4d785a902

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439 005 greep

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1 576 pieksel

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Datum/TydDuimnaelsketsDimensiesGebruikerOpmerking
huidig14:51, 24 Desember 2022Duimnaelskets vir weergawe vanaf 14:51, 24 Desember 20221 500 × 1 576 (429 KG)Ras67higher res
01:03, 7 November 2013Duimnaelskets vir weergawe vanaf 01:03, 7 November 2013516 × 542 (33 KG)File Upload Bot (Magnus Manske)Transfered from en.wikipedia by User:The Bushranger using CommonsHelper

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