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411 समाचार
Public archive edition · Attributed source reporting with original dates · AI drafts are excluded

411 REFERENCE · Wikibooks

Amateur Radio Manual

Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.

The purpose of this book is to provide a manual appropriate for a North American Amateur Radio Licensing course with added information so that beginning amateurs will have a good reference source to continue their hobby. One of the goals is to make this a practical rather than a theoretical manual and to keep the language simple and understandable. Contents thumb|right|300px|A typical shack thumb|right|300px|A Yagi/Uda antenna Basic Electronics /Atoms/ 75% Feb 10, 2005 /Conductors and Insulators/ 50% Feb 10, 2005 /Sources of Current/ 75% Feb 10, 2005 /What is Current/ 50% Feb 10, 2005 /What is Voltage/ 50% Feb 10, 2005 /What is Resistance and Conductance/ 50% Feb 10, 2005 /Magnetism/ /Ohm's Law and Resistors/ 100% Feb 10, 2005 /Direct and Alternating Current/ 25% March 11, 2007 /Sinusoidal Waveforms/ /Capacitance/ /Inductance/ /Inductors/ /Transformers/ /Reactance/ /Impedance/ /Resonance/ /Tuned Circuit/ Active Components /Diode/ Transistors for Amplification /FET/ /Tubes/ (Glassfet!) Power Supplies Propagation Feed Lines and Theory Antennas and Antenna Theory /Dipoles/ /Verticals/ /Directional Arrays/ /Antenna Software/ /Towers and Safety/ /Practical Antenna Projects/ Rules and Regulations /Canada/ /United States/ Operating Procedures /Amateur Radio Bands/ /Transmission Frequencies/ Further reading Communication Networks/Radio Communications; Communication Networks/Analog and Digital Radio Scouting/Earning the Radio merit badge Adventist Youth Honors Answer Book/Vocational/Radio Adventist Youth Honors Answer Book/Vocational/Radio Electronics Wireless Mesh Networks—the amateur packet-switched network is one of the first wireless mesh networks. Wireless communication A 25% __NOTOC__ __NOEDITSECTION__