TY - RPRT TI - Digital TV tri-state delta modulation system for Space Shuttle ku-band downlink AU - Udalov, S. AU - Huth, G. K. AU - Roberts, D. AU - Batson, B. H. PY - 1982 UR - https://ntrs.nasa.gov/citations/19840049666 ID - 19840049666 ER -