The Lunar Lasercom Optical Ground System (OGS) is another auxiliary ground station for the LLST, located on Tenerife and operated by ESA. The minimum downlink irradiance at the border of the atmosphere is specified at 0.17 nW/m<sup>2</sup>. It does things. | The Lunar Lasercom Optical Ground System (OGS) is another auxiliary ground station for the LLST, located on Tenerife and operated by ESA. The minimum downlink irradiance at the border of the atmosphere is specified at 0.17 nW/m<sup>2</sup>. It does things. |