Gram 31 - Nebula-class contact bearing 338, codename Vulcan Analysis Sheet Lofar 1 Lofar 1 Lofar 2 time-start 0 time-end 180 freq-start 0 freq-end 400 Lofar 3 Lofar 3 Lofar 4 time-start 0 time-end 240 freq-start 0 freq-end 800