Venules
发表于 2025-3-25 07:04:48
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飓风
发表于 2025-3-25 08:27:10
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移动
发表于 2025-3-25 14:58:31
B. Rothhut,F. Russo-Marie,M. Cousin,D. Landoflow of charge, and voltage, electric potential, to perform their intended function. An antenna can transform an alternating current (AC) into a radio wave and vice versa. In this chapter, we’ll explore the physics that governs how antennas work and how you can use antennas to communicate. We‘ll cov
上流社会
发表于 2025-3-25 19:45:56
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Vldl379
发表于 2025-3-25 22:42:35
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重力
发表于 2025-3-26 02:46:30
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注意
发表于 2025-3-26 05:42:40
Receptor localisation in asymmetric cellsT), a small radio that allows you to get on the air quickly. Even if you don’t have your license, you can still participate in this chapter. Just know that you cannot transmit anything until you’re licensed.
Cervical-Spine
发表于 2025-3-26 09:35:40
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公社
发表于 2025-3-26 14:23:10
Exploration of active sites of ,-peptidasessame time would be madness for large groups, so organizational structures exist that facilitate communications both in times of duress and for general communications. In this chapter, we’ll explore amateur radio nets, and help you make your first ground-based contact.
incarcerate
发表于 2025-3-26 17:28:24
Alex WulffLearn the basics of hardware and licensing required to make and operate radio projects.Understand the differences between basic radio technologies like FM/AM radio and WiFi.Apply your amateur radio li