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Amateur radio, also known as ham radio, is the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communication. The term amateur is used to specify a duly authorised person interested in radioelectric practice with a purely personal aim and without pecuniary. 56 thoughts on batteries for portable amateur radio use reply wb7ond aug 30,2016 1329 banggood. Com has a little low voltage alarm that plugs into that little 4 pin leveler connector. Amateur radio (ham radio) is a popular hobby and service that brings people, electronics and communication together. People use ham radio to talk across town, around the world, or even into space, all without the internet or cell phones. You can use a satellite tv dish antenna for amateur radio use but how you use it depends on what frequency you want to operate on. The satellite dish antenna is two basic parts, the parabolic reflector and the feed (at the focal point of the parabola). The gain of the dish depends on what frequency you are using and the diameter of the dish. An amateur radio satellite is an artificial satellite built and used by amateur radio operators. These satellites use amateur radio frequency allocations to facilitate communication between amateur radio stations. Many amateur satellites receive an oscar designation, which is an acronym for orbiting satellite carrying amateur radio. Amateur radio frequency allocation is done by national telecommunication authorities. Globally, the international telecommunication union (itu) oversees how much radio spectrum is set aside for amateur radio transmissions. Individual amateur stations are free to use any frequency within authorized frequency ranges authorized bands may vary by the class of the station license. Until you become accustomed to using repeaters on all the different ham radio bands, this chart can help you remember the right offsets and channel spacings to use. Many radios have the standard options preprogrammed, but you need to be aware of what they should be. The 2-meter amateur radio band is a portion of the vhf radio spectrum, comprising frequencies stretching from 144 mhz to 148 mhz in international telecommunication union region (itu) regions 2 (north and south america plus hawaii) and 3 (asia and oceania) and from 144 mhz to 146 mhz in itu region 1 (europe, africa, and russia). The license privileges of amateur radio operators include the use. this software collection uses the xfce desktop environemt with menus customized for amateur radio use. It is designed to be lightweight, fast, and visually appeallng. Recommended minimums 2ghz cpu, 4gb memory, and about 15 gb of disk space.
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