Gram 16 7 Questions WAV 1 WAV 1 Lofar 1 time-start 0 time-end 156 freq-start 0 freq-end 100 Lofar 2 time-start 0 time-end 156 freq-start 0 freq-end 800 Lofar 3 time-start 0 time-end 156 freq-start 0 freq-end 800 7 Questions WAV 1 Lofar 1 Lofar 2 Lofar 3