Author: admin

5 Band EFHW Antenna 80m-10m | 49:1 End Fed Half Wave

Post author By admin
Post date July 10, 2022

Here are my experiments and modifications with an EFHW (end-fed half wave) based on the VK4YE design, testing, 80m loading coil, the coax counterpoise, and the common mode toroids. This allows a antenna for smaller spaces and backyards.

Toroids 👉 https://geni.us/zl6H
FT-240-31 👉 https://geni.us/tLvfMqw (Amazon)
FT140-31 👉 https://geni.us/ps6to (Amazon)

VK4YE
http://sarc.org.au/wp-content/uploads/2015/07/VK4YE-End-Fed-Antenna-Construction-Project.pdf

🎥 Watch more recent videos here: https://www.youtube.com/c/HamRadioDX/videos

⏱️Chapters⏱️
00:00 5 Band End Fed Design by VK4YE
1:34 Antenna layout
2:24 Building the 49:1 Unun
3:53 80 Meter Loading coil
6:00 Common Mode Current Choke
08:58 SWR Results
13:07 How many toroids should you use?
15:15 A Full Size 80m EFHW is actually a multiband antenna!
16:14 Adding 160m capability

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#HamRadio #AmateurRadio #EFHW

Music:
Bensound: https://www.bensound.com/royalty-free-music
Epidemic Sound: https://www.epidemicsound.com/

Some links are affiliate and I may receive a small commission on sales

Dave Cassler Youtube

So What Really Happens Inside an Antenna? (#750)

Post author By admin
Post date July 9, 2022

Dave, AD5HQ, has some questions that will require us to look at the internernal workings of antenna, so What Really Happens Inside an Antenna?

Subscribe: https://youtube.com/user/davecasler.

Giveaway Info : http://dcasler.com/giveaway/

Edited by Aidan Jakeman.

To learn more about me, visit: https://dcasler.com/home/
To support my channel financially: https://dcasler.com/support (offers several options)
To pose an Ask Dave question: http://www.dcasler.com/ask-dave/ or http://www.ke0og.net/ask-dave/

Theme music is "Sour Tennessee Red," by John Deley and the 41 Players, courtesy YouTube Music Library. You can listen to the entire song here: https://youtu.be/Vfc9sAQjJtc
I use drawings from OpenClipArt.org, including the "walking man"
Technician training videos, see http://www.ke0og.net/training/
General training videos, see http://www.ke0og.net/general/
Amateur Extra training videos, see http://www.ke0og.net/extra/

Thanks to my sweet wife, Loretta, KBØVWW, for both audio and video assistance! (Her website is www.aldea-art.com.)

My primary website: http://www.dcasler.com
The ham radio part of my website (direct link): http://www.ke0og.net
My publishing website: http://www.mtsneffelspress.com, where you can find my fantasy and science fiction books.
My Amazon author page, which lists my print and Kindle books: http://www.amazon.com/-/e/B00471I0Q4.

Twitter: @dcasler

KK6USY Ham Radio Adventures Youtube

First look-MUSTOOL G1200 Digital Microscope 12MP 7 Inch Color Screen Large Base LCD Display 1-1200X

Post author By admin
Post date July 9, 2022

Bangood asked if I would review this digital scope, I always check reviews before agreeing to accept with reviews of 4.9 with 1800 I said yes and I.m glad I did! All the opinions on this tool are my own and Bangood didn’t tell me what to say. I have to say I am pretty impressed with this scope and it’s camera. It takes great video and pictures.
I have a coupon and link to Bangood below to save you some money if you are interested in one.
https://ban.ggood.vip/127iA
coupon code：BGd8306c

#Digital Microscope, #Mustool, #electronics,

Ham Radio 2.0 Youtube

Openspot 4 REVEALED! NEW SharkRF Openspot 4 for 2022!

Post author By admin
Post date July 9, 2022

SharkRF Reveals a brand new Openspot 4 and Openspot 4 PRO for 2022. These are some of my favorite hotspots, so let’s take a look!

Link: https://www.sharkrf.com/products/openspot4

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Mail: 2150 W. Northwest Highway STE114-1163, Grapevine TX 76051
Thanks for watching!
#Hamradio #kc5hwb #openspot

Ham Radio 2.0 Youtube

HamSCI Workshop 2022: Lightning Protection for the Radio Amateur

Post author By admin
Post date July 9, 2022

Lightning Protection for the Radio Amateur by Monte Bateman WB5RZX

😎 Ham Radio 2.0 Is Now Multi-Platform! 😎
Full30 – http://hr2.li/o9uok
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Utreon: https://utreon.com/c/HamRadio20
Theme and background music courtesy of https://www.bensound.com

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Mail: 2150 W. Northwest Highway STE114-1163, Grapevine TX 76051
Thanks for watching!
#Hamradio #kc5hwb #hamsci

Ham Radio 2.0 Youtube

HamSCI 2022: Introducing Undergraduates to Research Through Solar Flares, Python, and Amateur Radio

Post author By admin
Post date July 9, 2022

Introducing Undergraduates to Research Through Solar Flares, Python, and Amateur Radio by Rachel Frissell W2RUF

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Mail: 2150 W. Northwest Highway STE114-1163, Grapevine TX 76051
Thanks for watching!
#Hamradio #kc5hwb #hamsci

Ham Radio 2.0 Youtube

HamSCI Workshop 2022: Opportunities for Research and Education with a Small Radio Telescope

Post author By admin
Post date July 9, 2022

Opportunities for Research and Education with a Small Radio Telescope by Shaaf Sarwar KC3PVF

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Mail: 2150 W. Northwest Highway STE114-1163, Grapevine TX 76051
Thanks for watching!
#Hamradio #kc5hwb #hamsci

Ham Radio 2.0 Youtube

HamSCI Workshop 2022: HF Doppler Observations of Traveling Ionospheric Disturbances in a WWV Signal

Post author By admin
Post date July 9, 2022

HF Doppler Observations of Traveling Ionospheric Disturbances in a WWV Signal Received with a Network of Low Cost HamSCI Personal Space Weather Stations by Veronica Romanek KD2UHN