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► DISCLAIMER
This video is for entertainment purposes only and is not intended to take the place of the owner’s or service manual for this device. Follow all instructions and recommendation in the documentation supplied with this product. It is your responsibility to follow all rules and regulations specific to your jurisdiction.
Jason, K4RKX, has some questions on how grayline propagation works. How can one effectively use grayline? What exactly is it?
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#amateur radio
#ham radio
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#ham radio answers
#icom 7300
#antenna
#dipole
#end fed dipole
#mag loop
#magnetic loop antennas
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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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I am hosting a social for your favorite youtube to show off what they picked up from the Huntsville Hamfest 2025
New Tanker Radio Gear:
New Tank Radio Pillow – https://www.etsy.com/listing/4295008136/tank-radio-pillow-for-amateur-radio
New Tank Radio Black Out T Shirt – https://grapevineamateurradio.com/products/tank-radio-black-out-t-shirt-on-demand-order
Tank US Band Plan Pad – https://quirkyqrphamradios.etsy.com/listing/1657938891
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5% off selected Items at Gigaparts- https://www.gigaparts.com/nsearch/?lp=KG5AHJ%20INFLUENCER%20PAGE
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The Coolest Ham Radio Gear:
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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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A Look At The New BuddiPole PowerPro Solar Charge Controller at Huntsville HamFest 2025
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★★LINKS TO OTHER COOL STUFF:
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★Save 5% Off At Gigaparts With Code K8MRD:
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Use code K8MRD for 10% off
https://messi.it
(USA & Canada get free shipping on orders $99 euros or more!)
★Signal Stuff Signal Stick Antennas: https://signalstuff.com/?ref=4089
The Icom IC-7300 is a landmark amateur HF/50 MHz transceiver introduced in 2015 that popularized SDR (software-defined radio) technology in an entry-level rig. After a decade of strong sales and over 100,000 units sold, Icom has unveiled a successor in 2025 – the IC-7300MK2 (or “7300 Mark II”) – at the Tokyo Hamfair 2025. The IC-7300MK2 builds on the original’s legacy with enhanced technical performance and new features aimed at improving usability and remote operation.
The Icom IC-7300MK2 brings meaningful upgrades to an already highly regarded radio. By boosting the receiver’s dynamic range and reducing phase noise, it delivers cleaner reception and transmission, which will be appreciated by operators in crowded RF environments.
The addition of modern connectivity – including a LAN port for remote operation and an HDMI output for a big display – reflects how ham radio operating is evolving (integration with PCs, remote station control, etc.)
At the same time, the MK2 preserves the winning formula of the original IC-7300: a compact, 100 W HF/6m transceiver with SDR performance and a friendly touchscreen interface
For current IC-7300 owners, the IC-7300MK2 is a compelling step-up if features like an external display, built-in CW decode, or network remote control are desired, or if one operates frequently in contests where the improved receiver performance will shine. New buyers entering this segment now have an even more capable option in the IC-7300MK2, while the original IC-7300 remains a cost-effective choice on the used market given its proven performance. Icom has essentially evolved an HF legend with the MK2, keeping it competitive with newer offerings (like those from Yaesu and others) by addressing user feedback and technological trends.
Both radios exemplify Icom’s knack for bringing high-end features to the ham community at an accessible price, but the IC-7300MK2 clearly raises the bar in terms of performance and connectivity for an entry-level HF SDR transceiver.
https://www.icomjapan.com/news/4411/
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Icom have announced the Icom IC-7300 MK2 – the successor to the hugely popular IC-7300 at the Tokyo Hamfair 2025 and boy – there’s some great features & improvements!
More info: https://hamradiodx.net/7300mk2
💰 Deals & Discounts
Find all current coupon codes, special offers & affiliate links, here:
North Ottowa Amateur Radio Club sent Dave their Te-Ne-Ke Iambic paddle out of the blue. Dave decided to do a review on this unique paddle!
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#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
To support my channel financially, visit: https://dcasler.com/support (offers several options)
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.)
My primary website: http://www.dcasler.com
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.
Discover these must-have Amazon items every ham radio operator needs! This video showcases top-rated gear to enhance your ham radio experience, gear that is perfect for beginners and seasoned enthusiasts alike, these products offer quality, durability, and value. Watch now to upgrade your setup and boost your signal! #HamRadio
This video is sponsored by BIZEE – get a virtual mailing address to keep your own address private here – (affiliate link) https://tidd.ly/4oB6HYO
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Today we’re putting the Gabil 750T micro whip loaded vertical antenna to the ultimate test. Some of you said it’s the best portable HF antenna ever, while others swore it’s nothing more than a glorified dummy load.
I’ll be running real-world contacts on HF with the Xiegu X6100, DenCo battery, and this little whip to see if the 750T can actually get the job done.
Will it make contacts across the globe, or will it flop harder than a wet noodle on 20 meters? Let’s find out together.
👉 Gabil 750T Antenna (Ebay): https://geni.us/Ad29l
👉 Gabil 750T Antenna (Amazon): https://geni.us/kylB43N (currently sold out)
👉 Gabil Ultimate Antenna Tripod: https://geni.us/84frFW
👉 W0AEZ Compact QRP Battery: https://w0aez.com/products/ultralite-qrp-battery-18wh?ref=ydytyqnx
👉 Xiegu X6100 Radio: https://geni.us/fqJM
Use Code TO15 for $15 off at Radioddity
👉 Coax Adapters: https://geni.us/8EAz9
👉 Drop a comment below: Have YOU made contacts with tiny loaded whips?
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