Ham HF Bands: Introduction AD#29
20:28
Antenna Types and Terminology: AD#30
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Understanding the Radio Frequency Spectrum (#715)
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How to monitor US Air Force military radio | Ham radio
21:12
Amateur HF Transceiver Features Described and Sorted: AD #22
17:44
Vintage Technology: Electronics-- BASIC RADIO CIRCUITRY, Learn How Radio Works, 1971 (History)
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Basic Intro To Ham Radio For Beginners - Episode 1
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Radio Frequencies, Bands, Modes and Bandwidth Explained.
23:15