Monthly Archives: January 2015

Amateur Extra Class Lesson 7.4, Interference and Noise

Here is your video introduction to Section 7.4, “Interference and Noise,” in the ARRL Extra Class License Manual for Ham Radio. After you’ve viewed the video, studied the section, and are comfortable with the associated test questions, you can return … Continue reading

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Amateur Extra Class Lesson 7.3, Modulation Techniques

Here’s your video introduction to Section 7.3, “Modulation Techniques,” in the ARRL Extra Class License Manual for Ham Radio. When you have finished viewing the video, read the section, and are comfortable with the related test questions, you can return … Continue reading

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Amateur Extra Lesson 7.2, Test Equipment

Here’s your video introduction to Section 7.2, “Test Equipment,” in the ARRL Extra Class License Manual for Ham Radio. After finishing the video, studying Section 7.2, and becoming comfortable with the relevant questions in the question pool, you may return … Continue reading

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Oak Hills Research OHR-100A QRP Radio Review

My Christmas present in 2014 was an Oak Hills Research OHR 100A 20-meter QRP radio kit. I’ve played around with QRP in the past and found it a fun way to operate. QRP is the Q-signal for “low power,” by … Continue reading

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Amateur Extra Lesson 7.1, AC Waveforms and Measurements

Here’s your video introduction to Section 7.1, AC Waveforms and Measurements, in the ARRL Extra Class License Manual for Ham Radio. This video introduces the section. After watching the video you will want to study the section and study the … Continue reading

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