$sat_alb_file = "ar2019072915_goes15_20190729_1500.satalb"; $sat_alb_bird = "goes13 goes15"; $sat_alb_date = "goes13:20190729_1440 goes15:20190729_1500"; $sat_alb_chan = "vis"; $sat_alb_data = "ar2019072915_goes13_20190729_1440.satalb ar2019072915_goes15_20190729_1500.satalb";