$sat_alb_file = "ar2019012402_goes15_20190124_0230.satalb"; $sat_alb_bird = "goes13 goes15"; $sat_alb_date = "goes13:20190124_0145 goes15:20190124_0230"; $sat_alb_chan = "vis"; $sat_alb_data = "ar2019012402_goes13_20190124_0145.satalb ar2019012402_goes15_20190124_0230.satalb";