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  2. Maidenhead Locator System - Wikipedia

    en.wikipedia.org/wiki/Maidenhead_Locator_System

    ARRL World Grid Locator Atlas. Newington, CT: American Radio Relay League. 2007. Containing all 32,400 Maidenhead Locator Squares; IARU Locator of Europe. Potters Bar, UK: Radio Society of Great Britain. 1984. IARU Locator of Western Europe. Potters Bar, UK: Radio Society of Great Britain. 1985. (scale 1:2,000,000) ARRL Amateur Radio Map of ...

  3. Amateur radio satellite - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_satellite

    Amateur-satellite service (also: amateur-satellite radiocommunication service) is – according to Article 1.57 of the International Telecommunication Union's (ITU) Radio Regulations (RR) [12] – defined as «A radiocommunication service using space stations on earth satellites for the same purposes as those of the amateur service.»

  4. Category:Amateur radio satellites - Wikipedia

    en.wikipedia.org/wiki/Category:Amateur_radio...

    Pages in category "Amateur radio satellites" ... UoSAT * Amateur radio satellite $ $50SAT; A. AMSAT-OSCAR 7; OSCAR 8; ... Hackerspace Global Grid; HADES (satellite ...

  5. Amateur radio propagation beacon - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_propagation...

    An amateur radio propagation beacon is a radio beacon, whose purpose is the investigation of the propagation of radio signals. Most radio propagation beacons use amateur radio frequencies. They can be found on LF, MF, HF, VHF, UHF, and microwave frequencies. Microwave beacons are also used as signal sources to test and calibrate antennas and ...

  6. Amateur radio frequency allocations - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_frequency...

    Radio amateurs may engage in satellite and space craft communications; however, the frequencies allowed for such activities are allocated separately from more general use radio amateur bands. Under the International Telecommunication Union 's rules, all amateur radio operations may only occur within 50 kilometres (31 mi) of the Earth's surface.

  7. Amateur radio - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio

    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 ...

  8. AMSAT - Wikipedia

    en.wikipedia.org/wiki/AMSAT

    AMSAT is a name for various amateur radio satellite organizations worldwide. In particular, it often refers to the Radio Amateur Satellite Corporation, headquartered in Washington, D.C. AMSAT organizations design, build, arrange launches for, and then operate (command) satellites carrying amateur radio payloads, including the OSCAR series of satellites.

  9. 23-centimeter band - Wikipedia

    en.wikipedia.org/wiki/23-centimeter_band

    The amateur radio band is between 1240 MHz and 1300 MHz. The amateur satellite band is between 1260 MHz and 1270 MHz, and its use by satellite operations is only for up-links on a non-interference basis to other radio users (ITU footnote 5.282). The allocations are the same in all three ITU regions. [1]