epoch,value,sigma,units,freq,rcvr,xmit 2001-01-21 22:00:00,231990.4,2.000,Hz,8560,-14,-14 2001-01-21 22:40:00,21583930,20.00,us,8560,-14,-14 2001-01-31 15:03:00,-100520.348,0.200,Hz,2380,-1,-1 2001-02-01 14:59:00,38986917.6,1.000,us,2380,-1,-1