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The following is a list of radio stations in the United States that are authorized to run 50 kW (50,000 watts) of power. This is the highest power authorized to any AM station in the United States. Power Legend: U=unlimited time, D=daytime power, N=nighttime power, CH= critical hours power.
CroFab is composed of several monovalent Fab (fragment antigen-binding) proteins derived from the blood of sheep immunized with one of four snake venoms: Crotalus atrox (western diamondback rattlesnake), Crotalus adamanteus (Eastern diamondback rattlesnake), Crotalus scutulatus (Mojave rattlesnake), or Agkistrodon piscivorus (cottonmouth or ...
Anavip (stylized as ANAVIP) is the trade name of a snake antivenin indicated for the management of adult and pediatric patients with North American rattlesnake envenomation. [1] [2] [3] As defined by the FDA, the proper name is crotalidae immune F(ab')2 (equine). [4] It is manufactured by Instituto Bioclon for Rare Disease Therapeutics in the ...
Mexico, for example, typically runs 150,000 to 500,000 watts, but some stations are grandfathered at 10,000 to 20,000 watts at night; by treaty, these sub-50,000 watt Mexican stations may operate with a maximum of 100,000 watts during the daytime. [3]
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A clear-channel station is a North American AM radio station that has the highest level of protection from interference from other stations, particularly from nighttime skywave signals. This classification exists to ensure the viability of cross-country or cross-continent radio service enforced through a series of treaties and statutory laws.
WRVA is a Class A, clear channel station, transmitting with 50,000 watts, the maximum for commercial AM stations in the U.S. It uses a directional antenna with a two-tower array to protect the other Class A station on 1140 AM, XEMR in Monterrey, Mexico. Its transmitter is on WRVA Road near the James River in Henrico, Virginia. [3]
In the old system, rather than allowing licensees to choose any power level which would meet the efficiency and interference standards for their class, stations were restricted to a small set of power levels: 50, 100, 250, 500, 1000, 2500, 5000, 10000, 25000, and 50000 watts. A station whose maximum coverage would otherwise be available at 4500 ...