Search results
Results from the WOW.Com Content Network
List of NPR stations. The following is a list of full-power non-commercial educational radio stations in the United States broadcasting programming from National Public Radio (NPR), which can be sorted by their call signs, frequencies, band, city of license and state. HD Radio subchannels and low-power translators are not included.
May 2, 1975. The Marconi Wireless Station Site in South Wellfleet, Massachusetts, USA is the site of the first transatlantic wireless communication between the United States of America and Europe, on January 18, 1903. [2] At this location, now part of the Cape Cod National Seashore (though no admission is charged if not visiting Marconi Beach ...
The National Radio Quiet Zone (NRQZ) is a large area of land in the United States designated as a radio quiet zone, in which radio transmissions are restricted by law to facilitate scientific research and the gathering of military intelligence. About half of the zone is located in the Blue Ridge Mountains of west-central Virginia while the ...
The state with the most national parks is California with nine, followed by Alaska with eight, Utah with five, and Colorado with four. The largest national park is Wrangell–St. Elias in Alaska: at over 8 million acres (32,375 km 2), it is larger than each of the nine smallest states.
A travelers' information station (TIS), also called highway advisory radio (HAR) by the United States Department of Transportation, is a licensed low-powered non-commercial radio station, used to broadcast information to the general public, including for motorists regarding travel, destinations of interest, and situations of imminent danger and ...
The Official Units of the National Park System of the United States is the collection of physical properties owned or administered by the National Park Service. As of August 2024, there are 431 official units of the National Park System; [1] however, this number can be misleading. For example, Denali National Park and Preserve are counted as ...
A map showing the extent of the United States National Radio Quiet Zone. A radio quiet zone is an area where radio transmissions are restricted in order to protect a radio telescope [1] or a communications station [2] from radio frequency interference. The Radio Regulations of the International Telecommunication Union (ITU) define interference ...
Affiliated areas are marked on the lists below. National Park System units are found in all 50 states, the District of Columbia, and the U.S. territories of Guam, American Samoa, the U.S. Virgin Islands, and Puerto Rico. The territory of the Northern Mariana Islands has an affiliated area but not an official NPS unit.