Title :
Nomograms for Ionosphere Control Points
Author :
Scott, James C W
Author_Institution :
Radio Propagation Laboratory, Ottawa, Ontario, Canada
fDate :
7/1/1949 12:00:00 AM
Abstract :
Knowing the length of a radio circuit and the latitudes of its terminals, nomograms are given which permit rapid derivation of the latitudes of the ionospheric control points. The use of world charts of maximum usable frequency is thus facilitated. September 29, 1948.
Keywords :
Earth; Frequency measurement; Helium; Ionosphere; Laboratories; Radio control; Radio propagation; Radio transmitters; Radiofrequency integrated circuits; Telecommunication control;
Journal_Title :
Proceedings of the IRE
DOI :
10.1109/JRPROC.1949.234618