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Table 3
Current LOFAR observing modes.
Type | Mode | Outputs | Description |
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Interferometric | Correlated | Visibilities | Arbitrary number of stations, 8 beams per station, full Stokes |
Beam-formed | Incoherent stokes | BF data file | Incoherent summation, arbitrary stations, 8 station beams, full Stokes |
Coherent stokes | BF data file | Coherent summation, Superterp only, 20 full-resolution beams, full Stokes | |
Complex voltage | BF data file | Coherent summation, Superterp only, bypasses 2nd PPF, raw voltage output | |
Station level | BF data file | Arbitrary stations, individual pointing and frequency settings per station | |
8 station beams, Stokes I | |||
Direct storage | Raw voltage | TBB data file | Station level triggering of TBB dumps, direct storage to CEP cluster |
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