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Week 03 - Figure 1. The VLA in one of its more compact antenna array configurations. The 27 antennas are moveable on rail tracks, and different configurations are used to obtain different spatial samplings of incoming cosmic radiation (190115)

from Song A Week, Volume 4 by James Tristan Redding

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Figure 1. The VLA in one of its more compact antenna array configurations. The 27 antennas are moveable on rail tracks, and different configurations are used to obtain different spatial samplings of incoming cosmic radiation.

Figure 2a. An example of a possible SKA configuration. In this model, patches of collecting area (stations) extend from a dense core in a log-spiral arrangement. The pattern continues to baselines of ~3000 km. The huge number of SKA sensors gives excellent spatial sampling characteristics without the need to periodically relocate antennas.

Figure 2b. An artist’s impression of the SKA core region, with planar-aperture arrays and dishes visible. All the sensor technologies will share wide band communication as well as signal processing and data-processing infrastructures.

Figure 3. A view of the SKA as an information and communications technology (ICT) machine. Signals from a variety of different types of electromagnetic-field sensors (antennas and receivers) are transported and processed via common machinery. Sensors are chosen largely on the basis of their performance-to-cost ratio within particular frequency bands.

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from Song A Week, Volume 4, released February 12, 2020

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James Tristan Redding Nashville, Tennessee

British-American songwriter, singer, audiobook narrator, studio player, Godin Guitars official artist.

Founded global collective www.SongAWeek.org, performance art experience The Under Over: tinyurl.com/uoxuo (song circle underneath a highway) and writing retreat www.TheNashville24.com (annual challenge: write 24 songs in 24 hours).

Cuts by Sarah Harralson, Eli Alger, Emma Gale, David Easterling ... more

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