Magnetic observations at chromospheric height would complement the photospheric measurements and allow estimations of the 3-d structure of the magnetic field.
(Magnetic observations at chromospheric height; would complement; the photospheric measurements) (Magnetic observations at chromospheric height; allow; estimations of the 3-d structure of the magnetic field)
Magnetic observations at chromospheric height Magnetic observations at chromospheric height
would complement allow
the photospheric measurements
estimations of the 3-d structure of the magnetic field