Learn about Standing Wave Ratio (SWR) and its significance in radio frequency (RF) engineering. In this video, we’ll delve into the definition of SWR, how it’s calculated, and why it’s crucial for ensuring efficient energy transmission in antennas, transmission lines, and radio transmitters. Discover how SWR affects signal quality, power output, and system reliability, and learn how to measure and optimize SWR for optimal performance. Whether you’re an RF engineer, a ham radio operator, or simply interested in RF technology, this video will provide you with a comprehensive understanding of SWR and its importance in RF systems.
Note: This video is sponsored by the American Radio Relay League. Join the ARRL now: https://www.arrl.org/membership
Code "APE1" will get a free hydration bag with a 1 or 3 year membership.
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Wow. Even I was amazed with this one! Remarkable antenna – works great on all bands (40, 20, 15 & 10). Ideal 2nd antenna solution for 2 x VFO dual-watch type radios or addition for Hexbeams and Yagis. Great first-build home-brew project too. Delivers better than 1.5:1 SWR with 4:1 balun. This one is also extremely low to ground. Quite amazing.
https://youtu.be/H9UUfEoiRvw Making the Delta Loop
https://youtu.be/CZf-dwWIUDo How to Make a 4:1 Balun with Mike and Callum
Tonight I attempt to make long range high frequency (HF) Ham Radio contacts via homemade Christmas light antenna. This is the seventh year of my making these antennas and testing them live on the air. Yes, you will see bright lights and Christmas lights burning out as I crank up the RF power!
HRCC Coffee Of The Month Club: https://hamtactical.coffee/product-category/coffee/
Links from the show:
If you want an eInk device, consider the Bigme: https://amzn.to/47J3iPK
The Boox eInk device is nice, but NO GPS: https://amzn.to/3TNZKWu
Samsung Tablet: https://amzn.to/4emjLvI
iPad Mini: https://amzn.to/3XL8sG9
Good Tools For Radios:
📻 PD Battery: https://amzn.to/3YXkrmc
📻 PD USB 12 Volt Converter: https://amzn.to/3YVatSn
📻 100 Watt Dummy Load: https://amzn.to/3XfL3xM
📻 Pocket Pal II+ https://qrpme.com/?p=product&id=PAL3M
📻 Belka Radios: https://belrig.by/
📻 4SQRP Dummy Load: https://www.4sqrp.com/4SDL.php
📻 Pokit: https://amzn.to/4cVnoHD
📻 MEET DMM: https://amzn.to/3ANOwur
📻 Want the best HT antenna? Signal Stuff Signal Stick https://signalstuff.com/?ref=622 (This is an affliate link)
📻 Looking for the best deal on the Ed Fong J-Pole? https://www.kbcubed.com/DBJ-2H-Amateur-Ham-2m-70cm-Dual-Band-Portable-Rollup-Antenna-by-Ed-Fong-p406009746
📻 The Coax I use is ABR Industries (10% off with code: "abr10hrcc"): https://abrind.com/?sld=6
📻 I use Ham Radio Deluxe: https://www.hamradiodeluxe.com/aff/2DC45C837DEE2A018A2BCB345A2E3900/index.html?subid=558903
📻 You can find some of my favorite radios and gear at GigaParts: https://www.gigaparts.com/nsearch/?lp=JOSH
📻 Good Value HTs: HTs: https://www.buytwowayradios.com/?cmid=amsreGRvTmttM0k9&afid=Mkx1eE1uN2M0S1k9&ats=bHNrMHVhZ3lZcjQ9
📻Check out Radioddity ham radio radios and get a discount: Xiegu G90: http://radioddity.refr.cc/hoshnasi
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Want to take your Baofeng radio to the next level? Upgrading your antenna can make a huge difference in your signal strength and overall communication experience! Whether you’re a ham radio enthusiast, a prepper, or just someone who wants to stay connected in the great outdoors, this video is for you! So if you’re tired of poor signal strength and dropped contacts, watch to learn how to boost your Baofeng signal with a better antenna!
Ape Answers is a short format video series where we answer Ham Radio related questions from viewers. We cover questions that were asked on my videos to get you that answers you are looking for. Whether you’re a beginner or an experienced user, we’ve got you covered with detailed explanations and solutions to common issues. Tune in to get your questions answered!
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DeWayne, KO4VNX, has a topic he has never seen anyone fully cover before. What gauge of wire should be used for what level of power? Dave provides a fairly compensating list as well as shows viewers where to find their own lists!
Subscribe: https://youtube.com/davecasler
Videographed and Edited by Teagan Kulbeth
#amateur radio
#ham radio
#technician license
#general license
#extra license
#ham radio training
#ke0og
#dave casler
#ham radio answers
#icom 7300
#antenna
#dipole
#end fed dipole
#mag loop
#magnetic loop antennas
To learn more about me, visit: https://dcasler.com
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To pose an Ask Dave question, email to askdave@arrl.org. Feel free to include pictures or drawings to help clarify. I may answer your question directly, via an Ask Dave video, or in my monthly column "Ask Dave" in QST.
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"
Thanks to my sweet wife, Loretta, KBØVWW, for both audio and video assistance! (Her website is www.aldea-art.com.)
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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.
I love me some Argon Cases for my Raspberry Pis. Today I put the Pi5 into a nice cozy bed of protective, smooth, cooling aluminum with the Argon Neo5.
More info on Argon Cases:
👉 Argon Neo5 https://geni.us/3cmIdT
👉 Argon Neo (Pi 4): https://geni.us/R0p4
👉 Argon One (Pi 4): https://geni.us/qNqfk
👉 Shari Pi Hat: https://kits4hams.com/shari-pihat#cmtoc_anchor_id_7
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Ham Radio: I cruised 80m, 40m and 20m and made some friendly contacts EU and North America.
(Notes: I was Remote control to TS-990s & Acom 2000, 5 miles away)
Micro Go Box #5 Meshtastic
📺 Meshtastic Starter Guide: https://youtu.be/lkYaWHpQdhM
👉 Muzi.Works H1 Meshtastic Radio: https://geni.us/AsB0J7A
👉 Upgraded 915MHz antenna: https://geni.us/DnWK0E
👉 Muzi.Works H2T Meshtastic Radio: https://geni.us/aQrsaTC
👉 USB-C Data Cable: https://geni.us/INxM0Ri
👉 Bare Heltec Meshtastic Radio ESP32 Board: https://geni.us/6c79UuA
Micro Go Box #6 USB Cables
👉 You probably have enough of these
Micro Go Box #7 Battery Powered Pi Zero Hotspot:
📺 Make a DMR Hotspot Video: https://youtu.be/gyLbqUdk-rE
📺 Make a QRP Radio run off a USB battery bank: https://youtu.be/w6JpjkLouEI
👉 VRURC Battery: https://geni.us/k0B4IsG
👉 Pi Zero Hotspot
👉 AURSINC MMDVM Modem: https://geni.us/IrRm
👉 Pi Zero 2W: https://geni.us/eKI2Ne
👉 Radioddity GD168: $15 off at Radioddity: http://radioddity.refr.cc/temporarilyoffline
Micro Go Box #8 (WIP): NinoTNC
📺 Videos coming soon
👉 PCB And Chip from Etsy: https://geni.us/9UHhMem
👉 Parts BOM (Bill of Materials): https://tarpn.net/t/nino-tnc/n9600a/n9600a4/n9600a4f_bom_m032.xlsx
👉 Assembly Instructions: https://tarpn.net/t/nino-tnc/n9600a/n9600a4/n9600a4-assembly.html
👉 Fully Built Kit: https://geni.us/9enbx
👉 Plano Case: https://geni.us/uroXwY
👉 Cheap Ham Connectors: https://geni.us/8EAz9
👉 Dewalt Case: https://geni.us/ePgJ4U
👉 Power Pole Connectors: https://geni.us/N9uCDr
👉 PowerPole PCLIP: https://geni.us/UlqA
👉 Banana Jacks: https://geni.us/P2VC8
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📻 $15 off at Radioddity: http://radioddity.refr.cc/temporarilyoffline
🖍️ How I make my Thumbnails: https://partner.canva.com/c/3622632/647168/10068
⚡ Meter I use in my videos: https://kaiweets.com/?sca_ref=2859744.05ZtMxNK23
👉 Fun Stuff 👈
🫵 We want YOU on TOADs Discord: https://discord.gg/97tkMEc
🕊️ Twitter: https://twitter.com/KiloMike9Golf
😸 Github: https://github.com/TemporarilyOffline
Where possible, all links are affiliate links, this youtube thing is an expensive endeavor and every little bit helps.
