“…Laser sounding of the ozonosphere became routine at some observatories since the second half of the 1980s [4][5][6][7]. It allows data to be received on vertical distribution of ozone (VDO), which successfully supplement similar data received by in situ methods with the use of ozonesondes, rockets, or satellites (TOMS, SAGE-II, TERRA, MetOp, etc.…”