epoch,value,sigma,units,freq,rcvr,xmit 1986-07-18 07:50:00,202602.0,6.000,Hz,2380,-1,-1 1986-07-18.326389,+20260200,600,Hz,2380,251,251 1996-07-29 09:10:00,469654.0,5.000,Hz,8510,-14,-14 1996-07-29 13:00:00,133166634.,10.00,us,8510,-14,-14 1996-07-29.381944,+46965400,500,Hz,8510,253,253 1996-07-29.541667,13316663400,10000,us,8510,253,253 1996-07-30 10:50:00,410012.2,5.000,Hz,8510,-14,-14 1996-07-30.451389,+41001220,500,Hz,8510,253,253