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QRP Wire Delta Loop Goofin’
This is a wire Delta Loop antenna given to me by Chris KI7JOM when we were in WA last Ozztober. I honestly thought it was just another EFHW but have recently learned it is in fact a Delta Loop. I’ve not really played with Delta Loops so I took it out today just to screw around with. Nothing serious. Just having fun. I know very little about its construction other than the following links:
⭐️This is the toroid: https://www.digikey.com/en/products/detail/fair-rite-products-corp/2867000302/8593939?gclsrc=aw.ds&gad_source=1&gad_campaignid=20228387720&gbraid=0AAAAADrbLlhDySYOomKA1lOOx0ll19x1R
⭐️And this is kinda how it’s wound: https://reflector.sota.org.uk/t/unun-construction-differences-5-1/22517
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Coming off the great success of the first video, our intrepid adventurer dives head first into a 6 layer Hay-OOGE ground plane PCB and starts adding parts. Let’s go!
Part 1: The Dummy Load and Intro: https://youtu.be/iu8PF4FZtY4
Part 2: Diodes, Inductors and Finals: https://youtu.be/-DTC14_jKnM
Part 3: Power Amplifier! https://youtu.be/YgO8To9HB64
Part 4: The Band Pass Filter: https://youtu.be/dfdBIHrLjdY
Part 5: Trifilar and SWR Bridge: https://youtu.be/804sR_vF9Eg
Part 6: Finish It!: https://youtu.be/minTSE2nqzc
Get your’s and follow-along with the build! We can get stuck together!
👉 QMX+ Radio Kit: https://shop.qrp-labs.com/qmxp&tracking=7LYXwbHBNxhEQ7Iv9
Tools Used:
👉 Magnifying Lenses: https://geni.us/AxhV4C
👉 Pinecil USB Powered Soldering Iron: https://geni.us/eGZf3
👉 Kester Solder: https://geni.us/DOeI
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Power:
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👉 9v to 5.5×2.1mm Power Cable: https://geni.us/cEETDQo
Test Gear:
👉 Surecom SW-102: https://geni.us/ilm1zZ
👉 Xiegu X6100: https://geni.us/LON5iMp
👉 LCR Meter: https://geni.us/LiJEWy
👉 Allosun Mini-Meter: https://geni.us/RursYP
👉 Clamp Meter: https://geni.us/bB6SAD
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👉 Full Video: https://youtu.be/wMxuWOZV41M
Today’s Station:
👉 ATU-10 QRP Antenna Tuner: https://geni.us/oCQUdmi
$69.99 with coupon code: BG8d68fb
First 50 Customers
👉 ATU-10 At Amazon: https://geni.us/yArwg
👉 Icom IC-705 QRP transceiver: https://geni.us/ZNwMU0L
👉 Gabil 7.4ft CF2200: https://geni.us/c6pYJ
👉 ABR Coax w/choke: https://geni.us/AnDVyG
👉 Screwdriver Set: https://geni.us/OilK
👉 Pinecil USB-C soldering iron: https://geni.us/eGZf3
Watch what happens when this radio takes a 6-foot drop onto cement! Will it survive the impact? Surprisingly, it still works! #RadioTest #DropTest #Construction #Tools #Durability
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RV Antenna Options (Short #132)
@paullusardi4342 asks Dave for any reccomendations for a good multiband antenna that he can attach to his RV. Where is the best place to mount this antenna?
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This construction radio claims 700,000 sq ft range. Is that real? That’s 12 football stadiums, 4 Walmarts, or 5 Costcos. Plus IP67 waterproof & survives a 6-foot drop! #Construction #Radio #Waterproof #Shockproof #TechReview
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Thanks for watching!
Tinkercad is great for designing an RF choke box because it makes custom enclosures fast, simple, and precise—without a steep learning curve. You can easily size the box for toroids, ferrite beads, or coax loops, add mounting holes and strain reliefs, and tweak wall thickness for 3D printing in just minutes. Being browser-based, it’s perfect for quick experiments and revisions, which is ideal for ham radio tinkering where designs often evolve. In short, it lets you go from idea to a printable, shack-ready choke box with minimal fuss and maximum flexibility.
#tinkercad , #hamradio , #diy ,
I scored a vintage Mizuho 15 meter QRP ham radio off of eBay recently. This is a radio of an older era where crystals were used to hold frequency. As such, this radio has tuning limitations, but a striking amount of features for a radio of its age!
My intro to Amateur Radio pamphlet is here: https://www.patreon.com/posts/126015747?utm_campaign=postshare_creator
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📡 I recommend the Ed Fong J-Pole? https://www.kbcubed.com/DBJ-2H-Amateur-Ham-2m-70cm-Dual-Band-Portable-Rollup-Antenna-by-Ed-Fong-p406009746
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