file:
/usr/people/faculty/physics/jcrumley/idl/ic/Ari/lab events/bastille day/L1/L1_K0_MPA_65778.txt
format:  day,month,year,hour,minute,second,a,b,c
(i2,1x,i2,1x,i4,1x,i2,1x,i2,1x,f6.3,f14,f14,f14)
beginline:
1944
endline:
3384
outputfile: name of the file gsm data is saved to
gsmdata_bastilleday_L1.txt