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.
References. (1) van Haarlem et al. (2013); (2) Prasad et al. (2016); (3) Hicks et al. (2012); (4) Wayth et al. (2018); (5) Zarka et al. (2020); (6) Macario et al. (2022).
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