FUNCTION rdsigpix,cam

COMMON skypixels,sigpix

sigfile='/jasper/cnsr3_data1/sig'+STRTRIM(FIX(cam),2)+'.EU'
OPENR,sigunit,sigfile,/GET_LUN

nsigs=0L
READU,sigunit,nsigs

sigpix=LONARR(nsigs)
READU,sigunit,sigpix

CLOSE,sigunit
FREE_LUN,sigunit

RETURN,sigpix
END