TY - GEN AU - Smith, Newbern AU - Harrington, M B C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1948-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.CRPL.1-6 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1948 TI - The variability of sky-wave field intensities at medium and high frequencies: ER -