TY - GEN AU - Nupen, Wilhelm C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1958-09-01 04:09:00 DO - https://doi.org/10.6028/NBS.RPT.6010 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1958 TI - Preliminary measurements of phase stability over low-level tropospheric paths: ER -