There are two kinds of formats for Nobeyama Radio Polarimeter (NoRP). One is before unifing with Toyokawa Radio Polarimeter and the other is after that. For older format, the files include only 1,2,4 9 GHz data.
In order to read the data into IDL session, give the date (JST) as follows:
IDL> day='2000-4-8'
IDL> norp_rd_dat,day,mvalid,time,fi,fv,freq <CR>
or give the file name as follows:
IDL> file='pl921102'
IDL> norp_rd_dat,file,mvalid,time,fi,fv,freq <CR>
The frequencies of the loaded data are in the array freq
IDL> print,freq <CR>
In order to read the data in specified duration:
IDL> timerange=['1992-11-2 2:00','1992-11-2 4:00'] <CR>
IDL> norp_rd_dat,file,mvalid,time,fi,fv,freq,timerange=timerange <CR>
In order to read the data of specified frequency, e.g. for 17 GHz,
IDL> rdfreq=[0,0,0,0,1,0,0] <CR>
IDL> norp_rd_dat,file,mvalid,time,fi,fv,rdfreq=rdfreq <CR>
For 1GHz and 9GHz,
IDL> rdfreq=[1,0,0,1,0,0,0] <CR>
IDL> norp_rd_dat,file,mvalid,time,fi,fv,rdfreq=rdfreq <CR>
Each element in the array rdfreq corresponds to the data of
one frequency among 1, 2, 3.75, 9.4, 17, and 35 GHz.