TY - GEN AU - Samuel G Lutz C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1963-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.180 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1963 TI - Antenna beam elevation angle for control of tropospheric interference between space system earth terminals and terrestrial stations: ER -