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  1. Cheap 40m Antennas for Small Yards / Plots

    Cheap 40m Antennas for Small Yards / Plots

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  3. Ham Radio ARRL DX Contest 2013 14 -15 - XII- 2013 Station PY3FBI

    Ham Radio ARRL DX Contest 2013 14 -15 - XII- 2013 Station PY3FBI

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  8. How Does an Electric Motor Work? (DC Motor)

    How Does an Electric Motor Work? (DC Motor)

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  10. Australia Sets Record For Its Hottest National Average Temperature

    Australia Sets Record For Its Hottest National Average Temperature

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  11. Filaments Erupting, Magnetic Variations, Interplanetary Field | S0 News Sep.15.2022

    Filaments Erupting, Magnetic Variations, Interplanetary Field | S0 News Sep.15.2022

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  12. Physics spells.

    Physics spells.

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  14. Amateur Radio Ham radio cq wpx ssb contest 2011

    Amateur Radio Ham radio cq wpx ssb contest 2011

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  15. Amateur radio DX QSO Transverter 40m Band

    Amateur radio DX QSO Transverter 40m Band

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  17. Lecture 26, part 2

    Lecture 26, part 2

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  20. Toyota engineers have developed a new micro-robot with wireless charging capability. Weighing only

    Toyota engineers have developed a new micro-robot with wireless charging capability. Weighing only

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  21. Nikola Tesla on the Secrets of the Universe - Energy, Frequency and Vibration

    Nikola Tesla on the Secrets of the Universe - Energy, Frequency and Vibration

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