Hello What is you think about extend data command to apply backcompass and backclino to single next shot? === data next backcompass backclino 6a 10 5.34 216 -16 0.3 0.4 2.4 0.1 1.5 - - === instead of === group data normal from to tape backcompass backclino left right up down ignore ignore ignore 6a 10 5.34 216 -16 0.3 0.4 2.4 0.1 1.5 - - endgroup === -- WBR, Vasily