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Beam width numbers edit
I removed the beam width numbers since these seem incorrect. To a good approximation, the beam with of a parabolic antenna (in degrees) is 70*lambda/diameter, where lambda is the wavelength. S band is about 13 cm, and X band about 3.5 cm. This gives (for the 35 meter antenna) 0.07 degrees at X band and 0.26 degrees at S band. For the 4.5 meter, this is 0.55 degrees at X band and 2 degrees at S band. For the smallest 0.75 meter dish, this gives 12 degrees at S band and 3.3 degrees at X band. All of these numbers disagree significantly from those in the text, so I removed the numbers and left the qualitative description (which is what ESA had in their press release). LouScheffer (talk) 18:38, 21 December 2016 (UTC)
External links modified edit
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- Added archive https://web.archive.org/web/20140812085457/http://www.esa.int/Our_Activities/Operations/Find_ESA_tracking_stations to http://www.esa.int/Our_Activities/Operations/Find_ESA_tracking_stations
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Update edit
Dear all,
this article has up-to-date info on completion and early operations of the new Deep Space Antenna. Just updated the article accordingly. I am however a quite infrequent contributor and thus quite bad at editing, so if somebody could add the link above as a reference that's be kind.
Mtrova (talk) 07:51, 29 June 2023 (UTC)