Field Deployment of Prototype Antenna Tiles for the Mileura Widefield Array Low Frequency Demonstrator | Zendy

Judd D. Bowman | Zendy; David G. Barnes | Zendy; F. H. Briggs | Zendy; B. E. Corey | Zendy; M. Lynch | Zendy; N. D. R. Bhat | Zendy; R. J. Cappallo | Zendy; Sheperd S. Doeleman | Zendy; Brian J. Fanous | Zendy; D. Herne | Zendy; Jacqueline N. Hewitt | Zendy; Chris Johnston | Zendy; J. C. Kasper | Zendy; J. Kocz | Zendy; Eric Kratzenberg | Zendy; C. J. Lonsdale | Zendy; M. F. Morales | Zendy; Divya Oberoi | Zendy; J. E. Salah | Zendy; Bruce Stansby | Zendy; Jamie Stevens | Zendy; G. Torr | Zendy; R. B. Wayth | Zendy; R. L. Webster | Zendy; J. Stuart B. Wyithe | Zendy

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Field Deployment of Prototype Antenna Tiles for the Mileura Widefield Array Low Frequency Demonstrator

Author(s) -

Judd D. Bowman,

David G. Barnes,

F. H. Briggs,

B. E. Corey,

M. Lynch,

N. D. R. Bhat,

R. J. Cappallo,

Sheperd S. Doeleman,

Brian J. Fanous,

D. Herne,

Jacqueline N. Hewitt,

Chris Johnston,

J. C. Kasper,

J. Kocz,

Eric Kratzenberg,

C. J. Lonsdale,

M. F. Morales,

Divya Oberoi,

J. E. Salah,

Bruce Stansby,

Jamie Stevens,

G. Torr,

R. B. Wayth,

R. L. Webster,

J. Stuart B. Wyithe

Publication year - 2007

Publication title -

the astronomical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.61

H-Index - 271

eISSN - 1538-3881

pISSN - 0004-6256

DOI - 10.1086/511068

Subject(s) - software deployment , antenna (radio) , field (mathematics) , computer science , acoustics , electrical engineering , engineering , physics , operating system , mathematics , pure mathematics

Experiments were performed with prototype antenna tiles for the Mileura Widefield Array Low Frequency Demonstrator\ud(MWA LFD) to better understand the wide-field, wide-band properties of their design and to characterize the radio-frequency interference (RFI) between 80 and 300 MHz at the site in Western Australia. Observations acquired during the 6 month deployment confirmed the predicted sensitivity of the antennas, sky-noise-dominated system temperatures, and phase-coherent interferometric measurements. The radio spectrum is remarkably free of strong terrestrial signals, with the exception of two narrow frequency bands allocated to satellite downlinks, and rare bursts due to ground-based transmissions being scattered from aircraft and meteor trails. Results indicate the potential of the\udMWA LFD to make significant achievements in its three key science objectives: epoch of reionization science, heliospheric science, and radio transient detection

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