  Giant pulses from Crab pulsar were observed together with Radioastron space
radiotelescope, Global EVN radio telescopes and Kvazar-KVO VLBI stations to
study the scattering effects in the ISM. Five observing sessions were conducted
at 18 cm (EVN codes: EG060A, EG060B, EG067B, EG075) and one at 92 cm (EVN code:
GS033A). We have estimated distance to the scattering screen, angular size of
scattering disk, scattering time. All estimations were done in an assumption of
single thin scattering screen. Also, a significant change in the shape of
cross-correlation functions for space-ground baselines was found (starting from
4 up to 12 Earth diameters).
