Tag Archives: NVIS

Amateur Extra Lesson 10.1, Topics in HF Propagation

Here’s your video introduction to Section 10.1, HF Propagation, in the ARRL Extra Class License Manual for Ham Radio. Topics include ground wave propagation, NVIS, sky wave propagation, Pederson ray, absorption, long-path and grayline propagation, and fading. You can return … Continue reading

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Ham Radio General Class Lesson 7.3, Scatter Modes

Here’s your video introduction to Section 7.3 in the ARRL General Class License Manual for ham radio. The website mentioned in the video that provides NVIS maximum usable frequencies is www.spacew.com/www/fof2.html. You may return to the list of General Class … Continue reading

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KE0OG’s Ham Radio General Class Lesson 6.5, Specialized Antennas

Here’s your video introduction to Section 6.5, Specialized Antennas, in the ARRL General Class License Manual for ham radio. Watch this 16 minute video prior to studying the section, and you’ll be prepared to understand terms such as NVIS, log-periodic … Continue reading

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