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File:Relay symbols.svg. Size of this PNG preview of this SVG file: 309 × 453 pixels. Other resolutions: 164 × 240 pixels | 327 × 480 pixels | 524 × 768 pixels | 698 × 1,024 pixels | 1,397 × 2,048 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Relay For Life is a community-based walkathon fundraising event for the American Cancer Society. [1] Each year, more than 5,000 Relay For Life events take place in over twenty countries. [2] Events are held in local communities, university campuses and as virtual campaigns. [3] As the American Cancer Society 's most successful fundraiser and ...
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, radiosport, contesting, and emergency communications. [1] The term "amateur" is used to specify "a duly authorized person interested in radioelectric ...
This Morse key was originally used by Gotthard railway, later by a shortwave radio amateur [2] Morse code is a telecommunications method which encodes text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs. [3][4] Morse code is named after Samuel Morse, one of the early developers ...
File:Relay-IEC.svg. Size of this PNG preview of this SVG file: 200 × 130 pixels. Other resolutions: 320 × 208 pixels | 640 × 416 pixels | 1,024 × 666 pixels | 1,280 × 832 pixels | 2,560 × 1,664 pixels. Original file (SVG file, nominally 200 × 130 pixels, file size: 5 KB) This is a file from the Wikimedia Commons.
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