This detailed presentation by Victor Goonetilleke (4S7VK), hosted by the Radio Society of Sri Lanka, offers an in-depth exploration of radio wave propagation fundamentals essential for amateur radio operators worldwide. From basic electromagnetic principles to advanced propagation phenomena, this comprehensive guide covers critical topics that every ham radio enthusiast should understand.
The presentation expertly explains various propagation modes including ground wave, sky wave, and specialized modes like sporadic E, scatter, and auroral propagation. Victor provides valuable insights into the ionosphere’s structure and behavior, sunspot cycles, and their impact on radio communication. The material includes detailed discussions of crucial concepts such as Maximum Usable Frequency (MUF), critical angles, Near Vertical Incidence Skywave (NVIS), and the fascinating phenomena of grey line propagation.
Of particular interest to DX enthusiasts, the presentation covers multiple hop propagation, long path versus short path communication, and the effects of various types of fading. The inclusion of practical operating considerations and real-world applications makes this resource invaluable for both newcomers and experienced operators.
Special thanks to Victor Goonetilleke, 4S7VK, and the Radio Society of Sri Lanka (RSSL) for sharing this wealth of knowledge with the global amateur radio community. This presentation reflects decades of experience and expertise in radio communication, particularly from the unique perspective of operating from Sri Lanka.
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