enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. QSL card - Wikipedia

    en.wikipedia.org/wiki/QSL_card

    The International Amateur Radio Union and its member societies recommend a maximum size of 3 + 1 ⁄ 2 by 5 + 1 ⁄ 2 inches (90 by 140 mm). [5] N1D-QSL Card Athens Radio Club, Athens, Georgia, 2022. The QSL card used by HAM club in College of Engineering, Trivandrum, Kerala in India, during mid 1980s. The club is not active now.

  3. 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 ...

  4. Amateur radio - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio

    For example, the peak envelope power limits for the highest available license classes in a few selected countries are: 2.25 kW in Canada; [67] 1.5 kW in the United States; 1.0 kW in Belgium, Luxembourg, Switzerland, South Africa and New Zealand; 750 W in Germany; 500 W in Italy; 400 W in Australia, India, and the United Kingdom; and 150 W in Oman.

  5. Amateur radio operating award - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_operating_award

    Many amateurs also enjoy setting up and contacting special event stations. Set up to commemorate special occurrences, they often issue distinctive QSLs or certificates. . Some use unusual prefixes, such as the call signs with "96" that amateurs in the US State of Georgia could use during the 1996 Atlanta Olympics, [1] or the OO prefix used by Belgian amateurs in 2005 to commemorate their ...

  6. American Radio Relay League - Wikipedia

    en.wikipedia.org/wiki/American_Radio_Relay_League

    The American Radio Relay League (ARRL) is the largest membership association of amateur radio enthusiasts in the United States. ARRL is a non-profit organization and was co-founded on April 6, 1914, by Hiram Percy Maxim and Clarence D. Tuska of Hartford, Connecticut .

  7. QRP operation - Wikipedia

    en.wikipedia.org/wiki/QRP_operation

    All stages of the transceiver were on individual circuit boards: the transmitter was capable of about one or two watts of RF, and the receiver was a direct-conversion unit, similar to that found in the Heathkit HW-7 and HW-8 lines, which introduced many amateurs to QRP'ing and led to the popularity of the mode.

  8. National Traffic System - Wikipedia

    en.wikipedia.org/wiki/National_Traffic_System

    The NTS as it exists today was first outlined by George Hart, W1NJM (died 24 March 2013) in "New National Traffic Plan: ARRL Maps New Traffic Organization for All Amateurs" as part of the September 1949 issue of QST. While traffic passing between amateur radio operators was nothing new, Hart's system extended coverage of traffic capability in a ...

  9. Logbook of The World - Wikipedia

    en.wikipedia.org/wiki/Logbook_of_The_World

    Logbook of the World (LoTW) is a web-accessed database provided by the American Radio Relay League (ARRL) to implement a contact verification service among amateur radio operators. Using LoTW, radio amateurs (hams) are able to claim and verify contacts (QSOs) made with other amateurs, generally for claiming credit for operating awards, such as ...