Archiving spectral line data at AO

Where have people been doing on/off patterns

Find the ra,dec for all of the on/off patterns since jan2001.
 

n=corfindpat(slar,ind,pattype=1)

10949 patterns,

print,total(slar[ind].numrecs*slar[ind].secsperrec)*2./3600.

1600 hours on,off integration time.
 

Plot out the ra,dec coverage for position switched data.

hor,0,24 & ver,-1,40

plot,slar[ind].rahrreq,slar[ind].decdreq,psym=2,$

    xtitle='ra',ytitle='dec',charsize=1.5 ,$

    title='2001-> 2003 Arecibo position switch scans'