Jim's cool stuff
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22:58
EFHW Power Rating Myths Part 2
Jim's cool stuff
540 views • 2 months ago
10:00
Egret and Heron Chaser
Jim's cool stuff
162 views • 4 months ago
22:58
EFHW power rating myths
Jim's cool stuff
1K views • 4 months ago
28:05
Ground Vs Counterpoise what to use for portable and POTA verticals
Jim's cool stuff
5.7K views • 6 months ago
15:59
A new way to match your portable-POTA-SOTA vertical antenna.
Jim's cool stuff
1.5K views • 8 months ago
13:00
Best Vertical Antenna For Portable Operation...DIY POTA ANTENNA
Jim's cool stuff
5.7K views • 10 months ago
15:55
EFHW emissions violate FCC rules
Jim's cool stuff
2.8K views • 11 months ago
19:51
EFHW Spurious Emissions Caused by Ferrite Toroids
Jim's cool stuff
1.7K views • 11 months ago
13:51
EFHW Antenna Power Rating
Jim's cool stuff
575 views • 11 months ago
13:43
Mast Support for Portable Antennas for Field Day and POTA and Emergencies.
Jim's cool stuff
737 views • 1 year ago
22:01
Understanding Grounding/Earthing could save your life.
Jim's cool stuff
886 views • 1 year ago
26:42
Heatsink Science or how to keep power devices cool.
Jim's cool stuff
310 views • 1 year ago
14:26
Thermocouple Meter Review; Can a $25 thermocouple thermometer be any good?
Jim's cool stuff
2.8K views • 1 year ago
9:53
Mag Loop Current Distribution
Jim's cool stuff
962 views • 1 year ago
17:46
RF Current Transformer and Meter
Jim's cool stuff
1.3K views • 1 year ago
18:29
Current transformers, how do they work
Jim's cool stuff
431 views • 1 year ago
20:51
Part 2 Quest for the best mag loop antenna
Jim's cool stuff
7.4K views • 1 year ago
25:01
Quest for the Best Mag Loop Antenna
Jim's cool stuff
14K views • 1 year ago
20:33
Mother Nature Hates Amateur Radio Antennas
Jim's cool stuff
705 views • 1 year ago
22:52
Will FT8 Destroy Amateur Radio and How soon?
Jim's cool stuff
2.4K views • 2 years ago
34:45
Best Aeration System...Wind vs. Solar....Not what you expect.
Jim's cool stuff
1.4K views • 2 years ago
42:08
Tesla Coils / A Scientific method with Slayer Exciter
Jim's cool stuff
18K views • 2 years ago
17:55
VAWT With Fabric Sails (easy to build)
Jim's cool stuff
9.7K views • 2 years ago
8:29
Best Teleprompter App (2022)//Make Your Own Teleprompter
Jim's cool stuff
1.2K views • 2 years ago
22:21
Even Better VAWT That You Will Want TO Build Yourself
Jim's cool stuff
13K views • 2 years ago
29:44
A new type of VAWT that is easy to build
Jim's cool stuff
43K views • 2 years ago
9:23
This is Not How Anemometers Work // Who started this false explanation?
Jim's cool stuff
807 views • 2 years ago
12:36
Veritasium was wrong about energy being carried by the electromagnetic field part 2
Jim's cool stuff
686 views • 2 years ago
18:18
Veritasium is wrong about time to light a light bulb in a long wire circuit.
Jim's cool stuff
1.7K views • 2 years ago
21:28
How to lose weight and prevent or reverse diabetes
Jim's cool stuff
684 views • 2 years ago
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