North American Regional Broadcasting Agreement information
1941 AM/mediumwave radio station allocation agreement
The North American Regional Broadcasting Agreement (NARBA, French: Accord régional sur la radiodiffusion en Amérique du Nord; Spanish: Convenio Regional Norteamericano de Radiodifusión) refers to a series of international treaties that defined technical standards for AM band (mediumwave) radio stations. These agreements also addressed how frequency assignments were distributed among the signatories, with a special emphasis on high-powered clear channel allocations.
The initial NARBA bandplan, also known as the "Havana Treaty", was signed by the United States, Canada, Mexico, Cuba, the Dominican Republic, and Haiti on December 13, 1937, and took effect March 29, 1941. A series of modifications and adjustments followed, also under the NARBA name. NARBA's provisions were largely supplanted in 1983, with the adoption of the Regional Agreement for the Medium Frequency Broadcasting Service in Region 2 (Rio Agreement), which covered the entire Western hemisphere. However, current AM band assignments in North America largely reflect the standards first established by the NARBA agreements.
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NorthAmericanRegionalBroadcastingAgreement (NARBA, French: Accord régional sur la radiodiffusion en Amérique du Nord; Spanish: Convenio Regional Norteamericano...
moved to 1420 kHz, because of the implementation of the NorthAmericanRegionalBroadcastingAgreement. The station call letters reflected the station's founder...
including KRNT, were moved to the 1350 kHz, as part of the NorthAmericanRegionalBroadcastingAgreement. In August 1941, the Federal Communications Commission...
Plan of 1975 Ham radio NorthAmericanRegionalBroadcastingAgreement Open spectrum Orbit spectrum Radio astronomy Radio broadcasting Radio communication...
signals of local stations on the same frequency. The NorthAmericanRegionalBroadcastingAgreement (NARBA) sets aside certain channels for nighttime use...
partners moved to 1310, with the implementation of the NorthAmericanRegionalBroadcastingAgreement. In 1949, WTNJ was granted permission to move to 1300 kHz...
from 520 to 1710 kHz as prescribed since 1941 by the NorthAmericanRegionalBroadcastingAgreement. The tremendous number of radio stations in this region...
The RegionalAgreement for the Medium Frequency Broadcasting Service in Region 2, commonly known as the Rio Agreement, is an international treaty defining...
local stations on the same frequency. In NorthAmerica, the NorthAmericanRegionalBroadcastingAgreement (NARBA) sets aside certain channels for nighttime...
kHz. In 1941, as part of the implementation of the NorthAmericanRegionalBroadcastingAgreement, KXA was shifted to 770 kHz. Because of the requirement...
AM in March 1941 as required by the NorthAmericanRegionalBroadcastingAgreement (NARBA) under which most American, Canadian and Mexican AM radio stations...
in the northwest portion of Rochester. Following the NorthAmericanRegionalBroadcastingAgreement (NARBA) in 1941, WHEC was reassigned to 1460 kHz, and...
1941, with the implementation of the provisions of the NorthAmericanRegionalBroadcastingAgreement (NARBA), the stations on 1290 kHz were moved to 1320...
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