Open Access

Table 1

Comparison of the station and tile configurations for a selection of SKA pathfinders, precursors, and demonstrators.

Array Layout Ntiles Nelements per tile Frequency range Diameter (2) FoV (2) Ref.
LOFAR LBA station (a) Irregular 1 (b) 96 10–90 MHz ~70 m 5° (c) 1
LOFAR HBA station (a) Regular 96 16 110–250 MHz ~56 m 22° (d) 1
AARTFAAC Irregular 1 (b) 288 10–90 MHz ~400 m ~90° (c) 2
LWA station Irregular 1 (b) 256 10–88 MHz ~110 m 2.4° (c) 3
MWA station Regular 256 (e) 16 70–300 MHz ~4 m ~40° (d) 4
NenuFAR Regular 102 19 10–88 MHz 25 m ~15° (c) 5
SKA1-LOW station Irregular 1 (b) 256 50–350 MHz 40 m 8.7° (c) 6

Notes. (1) Tile or station depending on Ntiles. (a) LBA or HBA field of an international station. (b) No tile grouping, i.e. the field is composed of individual elements. (c) At f = 50 MHz. (d) At f = 110 MHz. (e) MWA Phase II.

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