TY - GEN AU - E J Dutton C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1961-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.96 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1961 TI - On the climatology of ground-based radio ducts and associated fading regions: ER -