This article was originally published with the title “ Improvements in Radiotelegraphy and Radiotelephony—III ” in SA Supplements Vol. 77 No. 2006supp (June 1914), p. 378 doi:10.1038 ...

This article was originally published with the title “ Improvements in Radiotelegraphy and Radiotelephony—II ” in SA Supplements Vol. 77 No. 2005supp (June 1914), p. 354 doi:10.1038 ...

THE volume opens with an interesting résumé by Prof. Ferdinand Braun of his contributions to wireless telegraphy, the paper being, in fact, a Nobel lecture delivered in Stockholm in December, 1909.

U.S.-flag ships, on the other hand, have been granted only near-coastal exemptions from the radiotelegraphy requirements since the FCC could not waive those provisions of the Communications Act of ...

ON Thursday, April 27, the Kelvin lecture was delivered before the Institution of Electrical Engineers by Sir Frank Smith, who took as his subject, “The Travel of Wireless Waves”. In the ...

The purpose of this Law is to promote public welfare by ensuring the equitable and efficient utilization of radio waves. i) "Radio waves" means electromagnetic waves of frequencies up to 3,000,000MHz.