SCHOD - missile just left the starting rail
ZACHVAT - missile is being tracked
SP. L. - missile tracked by medium sized beam?
UZKIJ LUC - missile tracked by narrow beam
K3 - K3 command transmitted
GOTOV SPK - missile guidance system ready for fire
VKL VYS - ? something enabled, VYS like VYSOKOJE - high voltage?
1 (2 and 3) - II - ? I thought it has to do something with missiles launched, but OSA can guide only two missiles.... Maybe missiles in launching containers?