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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. SOTA Mapping Project - Wikipedia

    en.wikipedia.org/wiki/SOTA_Mapping_Project

    View user-defined tracks on map - view tracks generated by users of the system. Draw track on map - using custom drawing tools, the user can draw a favourite track leading to a SOTA summit. Import track from file - the user can import a track (in GPX format) to a SOTA summit which he/she has recorded with a GPS unit.

  4. File:International Amateur Radio Union member country map.svg

    en.wikipedia.org/wiki/File:International_Amateur...

    This work has been released into the public domain by its author, Canuckguy.This applies worldwide. In some countries this may not be legally possible; if so: Canuckguy grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

  5. WSPR (amateur radio software) - Wikipedia

    en.wikipedia.org/wiki/WSPR_(amateur_radio_software)

    The standard message is <callsign> + <4 character locator> + <dBm transmit power>; for example “K1ABC FN20 37” is a signal from station K1ABC in Maidenhead grid cell “FN20”, sending 37 dBm, or about 5.0 W (legal limit for 630 m). Messages with a compound callsign and/or 6 digit locator use a two-transmission sequence.

  6. QRA locator - Wikipedia

    en.wikipedia.org/wiki/QRA_locator

    The QRA locator, also called QTH locator in some publications, is an obsolete geographic coordinate system used by amateur radio operators in Europe before the introduction of the Maidenhead Locator System. As a radio transmitter or receiver location system the QRA locator is considered defunct, but may be found in many older documents.

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  9. 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.