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Wildfires can happen in many places in the United States, especially during droughts, but are most common in the Western United States and Florida. [3] They may be triggered naturally, most commonly by lightning, or by human activity like unextinguished smoking materials, faulty electrical equipment, overheating automobiles, or arson.
It became necessary to establish a national system for estimating Fire danger and fire behavior to improve and simplify communications among all people concerned with wildland fire. Work on a national rating system began in 1959. By 1961, the basic structure for a four-phase rating system had been outlined and the fire phase (spread phase) was ...
The United States Forest Service (USFS) is an agency within the U.S. Department of Agriculture that administers the nation's 154 national forests and 20 national grasslands covering 193 million acres (780,000 km 2) of land. [5] The major divisions of the agency are the Chief's Office, National Forest System, State and Private Forestry, Business ...
A fire regime is the pattern, frequency, and intensity of the bushfires and wildfires that prevail in an area over long periods of time. [1] It is an integral part of fire ecology, and renewal for certain types of ecosystems. A fire regime describes the spatial and temporal patterns and ecosystem impacts of fire on the landscape, and provides ...
File:United States Frequency Allocations Chart 2016 - The Radio Spectrum.pdf. Size of this JPG preview of this PDF file: 800 × 512 pixels. Other resolutions: 320 × 205 pixels | 640 × 409 pixels | 1,024 × 655 pixels | 1,280 × 819 pixels | 2,560 × 1,638 pixels | 6,300 × 4,031 pixels. This is a file from the Wikimedia Commons.
There are 51 MTAs, 493 BTAs and 175 EAs in the United States. The Advanced Wireless Services (AWS) bands, auctioned in the summer of 2006, were for 1,710–1,755 MHz, and 2,110–2,155 MHz. The spectrum was divided into blocks: A blocks were for Cellular Market Areas, based on existing cellular (1G) licenses, and were 2 × 10 MHz.
Website. www.landmobile.com. Forest Industries Telecommunications (FIT) is a Federal Communications Commission (FCC) certified frequency coordinator [1] and a non-profit association. Established in 1947, [2] its members include those companies or individuals who employ or are eligible to use Land Mobile Radio Service (LMRS) two-way radios.
TIDRADIO TD-H5 GMRS radios. The General Mobile Radio Service (GMRS) is a land-mobile FM UHF radio service designed for short-range two-way voice communication and authorized under part 95 of the US FCC code. It requires a license in the United States, but some GMRS compatible equipment can be used license-free in Canada.