There is a technical issue about last added item. You can click "Report to us" button to let us know and we resolve the issue and return back to you or you can continue without last item via click to continue button.
IEC 60510-1-5 Ed. 1.0 b:1988 Methods of measurement for radio equipment used in satellite earth stations. Part 1: Measurements common to sub-systems and combinations of sub-systems. Section Five: Noise temperature measurements, 1988