Chalmers Ionospheric Observatory, Göteborg, Sweden

• 1 January 1942
• journal article
• Published by American Geophysical Union (AGU) in Journal of Geophysical Research
• Vol. 47  (3) , 215
• https://doi.org/10.1029/te047i003p00215

Abstract

Keywords

• TEBORG
• TELEPHONES
• FREQUENCY
• CHALMERS INSTITUTE
• CHALMERS IONOSPHERIC OBSERVATORY