$sat_alb_file = "ar2021122023_goes13_20211220_2240.satalb"; $sat_alb_bird = "goes13"; $sat_alb_date = "goes13:20211220_2240"; $sat_alb_chan = "vis"; $sat_alb_data = "ar2021122023_goes13_20211220_2240.satalb";