TY - RPRT TI - A bit transition density encoder for the Space Shuttle 2 MHz data channel AU - Schoggen, W. O. AU - Ingels, F. M. AU - Mann, D. R. AU - Coffey, R. E. AU - Atherton, J. PY - 1981 UR - https://ntrs.nasa.gov/citations/19810060356 ID - 19810060356 ER -