Directional Antennas




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Daniel Stinebaugh: excellent explanation and demonstration, Nice work Diana!

Wisdombylearningtruth :): can those radiation waves effect us

Circuit-Breaker Mi: Voice looks dubbed in like a cheap "B" movie from the 50's. Good facts tho.

TheMan1510: This is the best demonstration of how a directional antenna works that I have ever seen! Thank you very much for posting it as it has really helped me to understand how each of the elements contribute to the antenna's overall performance.

Robert Russell: Dam girl, ur too fine. your voice seems laggy though.

Robert Mitchum: A very nice explanationon on the simple physics on how a Yagi works. We can get into antenna patterns and side lobes at a later date. I really love the idea with the light bulb, a perfect way to show the lensing effect the reflector and the director have on the dipole. Do you think an explanation of the inverse square law, and the laws of reciprocity, would be too much? 

The DXZone.com - Ham Radio: Directional Antennas - YouTube

Paul Emerson Marquez: When I was posting about directional antennas a few days ago I completely missed this.  Here's Make Magazine's +Diana Eng demonstrating a Yagi antenna using a ham radio and a light bulb/antenna receiver.
#physics   #hamradio   #amateurradio   #stemeducation  

Hamilton Carter: When I was posting about directional antennas a few days ago I completely missed this.  Here's Make Magazine's +Diana Eng demonstrating a Yagi antenna using a ham radio and a light bulb/antenna receiver.
#physics   #hamradio   #amateurradio   #stemeducation  

Rion De Rochestia: Hi Diana. Can you go into more detail about how a Dipole antenna captures radio waves into alternating current. IDK about every one else but thats amazing to me. Would it be possible to use the Dipole antenna technique to be used to charge a laptop or cell phone just by picking up local radio waves? perhaps even charge a electric car while driving??? I must know more! thanks

L.T. Easterly (corq): Yagis, HOW DO THEY WORK? #swl

mashurst: What a great way to explain the yagi! I love the light bulb setup. I'm so making one. thanks

dan30cal: Awesome video!

Kishore Vagisetty: hi diana, ur fantastic in explaining the yagi antenna !!

john600cc: Cheers ;) 73's

Sorebonz: NIce. Particularly interesting demostration of the physics associated with a yagi. Very helpful, as I am a visual learner. .

Pham Nuwen: 88 de KF5DWR

Tyrone Santika: Cool as so i was just wondering why do you comunicate with satellites????
Rating:
Directional Antennas 5 out of 5

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Directional Antennas