Maret, 2012

• 31 Maret

  SPRING LITES QSO PARTY (SL)

  http://arlhs.com/SL-2012-guidelines.html  The ARLHS Presents Its Annual  SPRING LITES QSO PARTY (SL) P urposes: To promote public awareness of ham radio and lighthouses; to contribute to the recognition that lighthouses, lightships, and their keepers deserve; to foster camaraderie within the ham fraternity; and to provide fellowship amongst the members of the Amateur …

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• 30 Maret

  CW ACADEMY

  http://www.cwops.org/cwacademy.html INTRODUCING: CW ACADEMY Take a CWops CW Quick QuizLearn how you can benefit from the CWops CW Academy For the beginner1. Want to communicate with fellow hams around the world using even a modest rig and antenna?2. Want to stay in touch when on vacation to some remote area where …

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• 29 Maret

  Ham Station Desk Radio Equipment Ground

  http://www.w8ji.com/rfi_rf_grounding.htm Ham Station Desk Radio Equipment Ground RF in the Ham Shack It is commonly assumed “RF in the shack”, interference to consumer devices like telephones or stereos, or even RF feedback or RF burns are tied to operating position grounding problems. There is also a belief that our equipment …

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• 29 Maret

  House Ground Layouts

  http://www.w8ji.com/house_ground_layouts.htm                                         House Ground Layouts Poor but Commonly Used The most severe and frequent damage is normally not caused by a voltage difference between each conductor in a multiple wire cable, …

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• 29 Maret

  Basic Ground System Functions

  http://www.w8ji.com/ground_systems.htm Basic Ground System Functions  A ground system provides four primary functions: To help disperse or divert energy from lightning strikes To provide safety in case some problem or fault energizes the cabinet or  chassis of equipment with dangerous voltages To provide a controlled RF return path for end-fed (single …

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