Title: Radio communications between private experimental stations and between amateur stations
Subtitle: Arrangements between the United States of America and the dominion of Canada continuing the arrangement effected by exchange of notes signed October 2, 1928, December 29, 1928, and January 12, 1929. Effected by exchange of notes signed April 23 and May 2 and 4, 1934. Effective May 4, 1934.
Subjects: Radio