PPT-Amateur Antennas Theory, design, and fabrication

What is an Antenna An electronic device that is used either for radiating electromagnetic energy into space or for collecting electromagnetic energy for space Any wire carrying AC current will radiate electromagnetic waves and an electromagnetic wave will induce a voltage in a length of wire. in the 21st Century…. mainstream or backwater?. Art Goddard W6XD. The Amateur Radio Service. Basis and Purpose. Creating Public Value. Is Amateur Radio Being Marginalized?. Accountability to the American People. Concealment, Deception Devices & Enclosures Module 1 . Material & Fabrication course focusing on the use of man made and natural materials to build concealment devices and trojans. Course topics . We will see . main families of . antenna . used to create a radiated radio wave:. wire antennas (dipole, monopole Yagi). . slot . antennas (half or quarter wave). patch antennas (planar). aperture antennas (horn). 1. Promoting AMATEUR RADIO. . The International Amateur Radio Union Region 3. 2. Multi-channel Satellite TV – endless sport and films. The Internet. Music and other festivals. The cinema and live shows. Why Is It a Community Resource?. Rural and Ready!. . 6th Annual Rural Preparedness Summit . June 6 and 7. th. , 2017. Presented by:. Bob Miller WA6MTY Emergency Coordinator. Washoe County Amateur Radio Emergency Service. Solding. Measuring Antenna Properties. AutoCad. : Geometry Creation Tool. Electro: Electrostatic Tool. EZNEC: Antenna Properties Optimization. 4NEC2: Antenna Design Tool. Sketch-Up: Design program. Antenna Design/High . for Small and Large Lots. Small antennas. High performance antennas. Quantitative performance evaluation. Frank Donovan. W3LPL. . Dayton 2016. Why Receiving Antennas?. Much better performance than most transmitting antennas. Seth Price, N3MRA. New Mexico Institute of Mining and Technology. February 6, 2016. Introductions. Tell us your:. Name. Major/background/etc.. License class (if any). What you hope to gain from this course. CTAE Resource Network. By: Kayla Calhoun & Dr. Frank Flanders . Spring 2010. Objectives. Distinguish professional sports from amateur sports.. Explain the different levels of amateur sports.. Describe the evolution of the Olympics, Paralympics, and women’s involvement in professional sports.. Presentation for AEA Amateur Radio Club W6AGO. Ryan Noguchi, AI6DO. Nov 2018. Outline. Background. Operating Concepts. Satellite Types. Making Contacts. Equipment. References. 2. Background. First amateur radio satellite (OSCAR I) launched Dec 1961. Harold C. Fleischer, III. AE5AS. 8/26/2017. 1. Ohm’s Law. V = I x R. Voltage = Current x Resistance. 8/26/2017. Grounding For Amateur Radio. 2. Ohm’s Law. V = I x R. Voltage = Current x Resistance. Part 2. By Tom Davis – KB7HTA. What is an AR Mesh Network?. In many ways, it is the same as the Internet. What you can do on the Internet you can do on a private mesh network. .. Websites . Mesh Node Status. A Question of AccuracyAt one time it was a rule of thumb that the accuracy of parabolic antennas was fine if there was no divergence from the profile by more than 1/10 or 1/20 if you wanted a really Harold C. Fleischer, III. AE5AS. Is this a Ham Radio Antenna?. RF Exposure Sources. 1/11/2024. RF Exposure. 2. NO.. It is an AM Radio Station Antenna.. RF Exposure Sources. 1/11/2024. RF Exposure. 3.