TY - GEN AU - H N Cones C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1948-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.CRPL.5-3 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1948 TI - Interim report on experimental broad-band antennas for vertical incidence ionosphere sounding: ER -