Interesting Technical Videos or Websites

https://www.youtube.com/watch?v=9fGurEa3EVk
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PIN Diodes
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1
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941
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"Ham" Antenna for 70cm
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2
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1K
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HP3400A RMS Voltmeters
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0
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926
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Low Cost RF Power Meter
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2
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1K
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Ferroresonant Transformers, (an example was at the club meeting recently).
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4
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2K
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Interesting insight to miniaturizing technologies...
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784
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Down Sampling is magic.
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2
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1K
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A pretty good intro to the LORA radio world.
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0
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978
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Chinese fake (but "exciting") air purifier review by https://www.youtube.com/@bigclivedotcom
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0
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840
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New compressor design is quite a bit more efficient.
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918
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Home made gear cutters .
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6
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1K
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ACMA Update Video
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1
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1K
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DIY Perks has a neat speaker system that is 3D printed.
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1K
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History of AC Transformers
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1
Views
996
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Archive AR magazine (Australia)
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1
Views
932
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A very interesting video on a new FAST 3D printing technique.
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0
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966
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RadioBerry is back!!
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0
Views
905
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"New" battery tech. (At least for for use here on the ground)
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0
Views
749
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A good restoration!
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0
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974
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Measuring Phase Noise
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2
Views
1K
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