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  • USA: * WWV and WWVH * brodcasts on 2.5, 5, 10, 15, and 20 MHz * Power of 2500W on 2.5 and 20 MHz * Power of 10000W on 5, 10, and 15 MHz Canada:
    286 bytes (61 words) - 04:23, 20 January 2013
  • manual appropriate for a North American Amateur Radio Licensing course with added information so that beginning amateurs will have a good reference source to
    2 KB (171 words) - 03:21, 19 January 2013
  • To make electrons flow in a conductor, we first must supply some form of electromotive force (potential difference). This can be achieved attaching the
    748 bytes (122 words) - 21:25, 3 April 2009
  • Unlike an ideal conductor the real material constituting any kind of conductor, e.g. copper, contains in some amount impurities (other materials). Own
    787 bytes (118 words) - 23:56, 2 October 2011
  • Certain elements, like copper in our discussion on atoms, have their valence electrons held weakly in their outer orbit. By supplying energy to the material
    1 KB (198 words) - 03:06, 22 February 2011
  • So far we have learned that valence electrons will flow in a conductor if we provide enough energy or force so that the electrons will leave the atom and
    1 KB (236 words) - 22:29, 23 October 2006
  • Electronics | Foreword | Basic Electronics | Complex Electronics | Electricity | Machines | History of Electronics | Appendix | edit An inductor is a
    9 KB (1,017 words) - 16:35, 1 March 2015
  • Amateur radio operators use various radio frequencies, which are divided into bands. These bands are a subsection of radio frequencies, grouped together
    3 KB (580 words) - 04:24, 12 December 2013
  • Electric current is necessary for amateur radio equipment to work. However, different components of a radio setup use different "types" of current. Although
    2 KB (295 words) - 03:57, 25 April 2009
  • Everybody has a radio. Either it is in your house, or it is in your car. The pages in this chapter will discuss some of the specifics of radio transmission
    325 bytes (41 words) - 22:23, 17 December 2012
  • form for clarity. Atomic theory is much more complicated than most radio amateurs need to know but those that wish to know more should explore the other
    3 KB (467 words) - 09:15, 12 June 2014
  • matter, is the sinusoidal waveform. Sinusoidal waveforms are fundamental to radio. A Morse code signal, for example, is generated from a sinusoidal waveform
    2 KB (324 words) - 11:21, 7 February 2013
  • Mercury primary maintains rated voltage until used up Nickel Cadmium secondary portable radios Lead Acid secondary car battery Lithium secondary cell phones
    1 KB (259 words) - 21:28, 2 March 2007
  • their practical concerns. Resistors are fundamental building blocks of amateur radio, being used for current limiters, voltage dividers, oscillators, filters
    6 KB (937 words) - 18:38, 9 July 2008
  • portions of all amateur bands, and have access to over 83% of all amateur HF bandwidth. ARRL Website - Where Do I Start? Wikipedia - Amateur Radio Licensing
    590 bytes (95 words) - 20:14, 4 October 2007
  • Figures — List of Boxes — About the Author Acharya,Mahesh. 2005.‘Amateur Radio, A potential tool in emergency operations’, i4d Magazine,Volume 3, Number
    3 KB (368 words) - 23:04, 5 November 2007
  • Contents In order to earn the Technician Class Amateur Radio License, an operator must pass a 35 question exam administered by a Volunteer Examiner
    11 KB (1,824 words) - 02:59, 22 February 2011
  • [*] Amateur Radio AX.25 Level 2 The AX25, Netrom and Rose protocols are covered by the AX25-HOWTO. These protocols are used by Amateur Radio Operators
    480 bytes (77 words) - 03:39, 3 January 2010
  • "Amateur Radio Service: purpose and permissible use of the Amateur Radio Service; operator/primary station license grant; where FCC rules are codified;
    16 KB (2,467 words) - 20:07, 4 January 2015
  • electrolytic capacitors in paper housing sealed with tar out of a 1930s radio. These individual capacitors can perform their application independent
    129 KB (13,519 words) - 23:00, 16 December 2015

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