Amateur radio frequency

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 interest;" [1] either direct monetary or other similar reward and to differentiate it from commercial broadcasting , public safety such as police and fire , or professional two-way radio services such as maritime, aviation, taxis, etc. The amateur radio service amateur service and amateur-satellite service is established by the International Telecommunication Union ITU through the Radio Regulations. National governments regulate technical and operational characteristics of transmissions and issue individual station licenses with a unique identifying call sign , which must be used in all transmissions.
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Amateur radio frequency allocations

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Ham Radio For Dummies Cheat Sheet - dummies

Forgot Password? For each band, only those license classes with privileges on that band are listed. Technician licensees have limited privileges below 30 MHz. At all times, transmitter power must be the minimum necessary to carry out the desired communications. Unless otherwise noted, the maximum power output is watts PEP. Geographical power restrictions apply to the meter, 70 centimeter, 33 centimeter and 23 centimeter bands.
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Frequency Allocations

Ever watch the Stranger Things series on Netflix? It also features some excellent electronics technology that was at its prime back in the 80s and is still kicking today. In one scene, three boys are sitting around their very first ham radio with their science teacher in tow.
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I have been a hobbyist and maker for almost 15 years now. I like inventing things and diving into low-level things. In , I was looking at a protocol called NBP , used to create a data network over amateur radio links. NBP was developed in the s as a potential replacement for the venerable AX. I believed it was possible to create an even better protocol with a modern design that would be easier to use and inexpensive to physically implement.
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