Complex sentence: RSSC is the only organization where seismic research is held using the most modern network of seismic stations operating via satellite communication, working with "Kinemetrics" satellite type.
Split into simpler sentences: RSSC is the only organization where the seismic researches are held using the most modern network of seismic stations operating via satellite communication. The Republican Seismic Survey Center`s telemetry seismic stations are working with "Kinemetrics" satellite type.