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Click here for Dave's commercial site, www.mtsneffelspress.com, where you can order Dave's fantasy books and other books by local authors. One very popular book I publish for the local railroad museum is about historic narrow gauge railroads in the San Juans.
Monthly Archives: August 2016
Here’s your video introduction to Section 4.2, “Electrical and Magnetic Fields,” in the 11th Edition of the ARRL Extra Class License Manual for Ham Radio. This video introduces electromagnetic fields and waves, the concept of a field, wavefronts, and polarization. … Continue reading
Here’s your video introduction to Section 4.1, “Radio Mathematics,” in the 11th edition of the ARRL Extra Class License Manual for Ham Radio. This section delves into rectangular and polar coordinates, and complex coordinates. The material in this section lays … Continue reading
Want to be a volunteer examiner (VE)? This video introduction to Section 3.5, “Volunteer Examiner Program,” from the 11th Edition of the ARRL Extra Class License Manual describes how to do so, and how the VE program works. These videos … Continue reading
Here’s your introductory video to Section 3.3, “Station Control,” in the 11th Edition of the ARRL Extra Class License Manual for Ham Radio. This lesson covers control operators, local vs remote control, methods of remote control, station location, automatic control, … Continue reading
Here is your video introduction to Section 3.2, “Station Restrictions,” in the 11th edition of the “ARRL Extra Class License Manual for Ham Radio.” This video discusses radio frequency interference (RFI), spurious emission standards, testing, location restrictions, FCC monitoring, and … Continue reading
Here’s your video introduction to Section 2.3, Part 1, Amateur Satellites, from the “ARRL Extra Class License Manual for Ham Radio,” 11th Edition. This is part 1 of two parts. This video introduces the orbital mechanics part of amateur satellites, … Continue reading