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  2. Amateur radio frequency allocations - Wikipedia

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

    Historically, amateur stations have rarely been allowed to operate on frequencies lower than the medium-wave broadcast band, but in recent times, as the historic users of these low frequencies have been vacating the spectrum, limited space has opened up to allow for new amateur radio allocations and special experimental operations.

  3. List of channel numbers assigned to FM frequencies in North ...

    en.wikipedia.org/wiki/List_of_channel_numbers...

    FM channel numbers are most commonly used for internal regulatory purposes. The range originally adopted in 1945 began with channel 201 (88.1 MHz), or a value high enough to avoid confusion with television channel numbers, [2] which over the years have had values ranging from 1 to 83. Having a gap between the highest TV channel number and the ...

  4. Amateur radio - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio

    On the wall are examples of various amateur radio awards, certificates, and reception report cards (QSL cards) from foreign amateur stations. Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation ...

  5. Template:AmateurRadioBands - Wikipedia

    en.wikipedia.org/wiki/Template:AmateurRadioBands

    This is the navigation box for the International Amateur Radio Bands. All bands in this template are either mentioned in the International Telecommunication Union 's "Table of Frequency Allocations" or the table's footnotes, with the exception of allocations listed in italics .

  6. File:Amateur-radio-regions-with-600m-allocation.svg - Wikipedia

    en.wikipedia.org/wiki/File:Amateur-radio-regions...

    English: Regions with allocations in the 600m amateur radio band. Blue regions have official allocations based on WRC-12. Light blue regions have official allocations that are outside the WRC-12 frequencies. Green regions have experimental allocations. Operation is prohibited in red regions.

  7. Amateur radio call signs - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_call_signs

    Amateur radio call signs are allocated to amateur radio operators around the world. The call signs are used to legally identify the station or operator, with some countries requiring the station call sign to always be used and others allowing the operator call sign instead.

  8. 60-meter band - Wikipedia

    en.wikipedia.org/wiki/60-meter_band

    This map shows all the countries that currently have an official Amateur Radio presence on 5 MHz / 60 m, whether it be by WRC-15, Article 4.4, Special Individual Permits, Trial and/or Emergency Basis, or any combination of these. The 60-meter band or 5MHz band is a relatively new amateur radio allocation.

  9. Amateur radio direction finding - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_direction...

    A competitor must use orienteering skills to navigate to the area of the circle on the map and only then use radio direction finding skills to locate the very low power transmitter. [ 21 ] Another variation of the sport, Radio Orienteering in a Compact Area , requires less athletic skill and more technical radio direction finding skills.