TY - GEN AU - Wright, J W C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1959-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.19 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1959 TI - Analysis of ionospheric vertical soundings for electron density profile data. II, Extrapolation of observed electron density profiles above hmax F2: ER -