54 STAT.] MEXICO-RADIOBROADCASTING-AUG. 24, 28 , 1940 States border than specified in the North American Regional Broadcasting Agreement. E. Reciprocally, Mexico agrees not to assign any stations on the following United States Class 1-A frequencies: 700 kilocycles, 720 kilocycles, 1120 kilocycles, and 1210 kilocycles. F. Mexico and the United States to permit day-time Class II stations with a power not in excess of 1 kilowatt on the channels they agree to protect, provided that the signal from these stations shall not exceed 5 microvolts per meter ground wave results at any place on the Mexico-United States border. By day-time stations is meant that no operation is permitted between sunset and sunrise at the location of the transmitter of the Class II stations. I avail myself of the opportunity to renew to Your Excellency the assurances of my highest consideration. EDUARDO HAY His Excellency JOSEPHJS DANIELS, Ambassador Extraordinaryand Plenipotentiary of the United States of America, City. The American Ambassador to the Mexican MinisterforForeign Affairs EMBASSY OF THE UNITED STATES OF AMERICA No. 4685 Mexico, August 28, 1940 EXCELLENCY: I have the honor to acknowledge the receipt of Your Excellency's courteous note no. 56248 of August 24, 1940 and to communicate herein my Government's understanding of the agreement which was the subject of Your Excellency's note under acknowledgement, touching the questions of mutual interest to our Governments in relation to the North American Regional Broadcasting Agreement (the ratification by the Mexican Government having been deposited with the Cuban Government on March 29, 1940), which is as follows: A. The United States agrees to protect the following Mexican Class 1-A stations having frequencies of 730 kilocycles, 800 kilo- cycles, 900 kilocycles, 1570 kilocycles. B. On 1220 kilocycles, the United States may assign a station in the Detroit, Michigan, area with a directional antenna that will direct the signal to the northward and protect the Mexican station's coverage in the United States as much as possible. C. On 1050 kilocycles, the United States is permitted to assign a station in the New York, N. Y., area with a directional antenna that will direct the signal toward the northeast and protect the Mexican station's coverage in the United States as much as possible. 2485 Agreement by U. 8.
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