epoch,value,sigma,units,freq,rcvr,xmit
1975-01-22.187500,15088536000,15000,us,430,251,251
1975-01-23.184028,-130,200,Hz,430,251,251
1975-01-23.291667,+243000,1500,Hz,8495,253,253
1988-12-02.979167,-3988900,1000,Hz,2380,251,251