★★★Support This Channel and Help Spread the Word about Ham Radio★★★
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📸Looking for an HT Antenna Upgrade? https://signalstuff.com/products/#signalsticks?ref=3200
📸Looking for the BEST Digital Interface for your HF Radio? https://digirig.net/product/digirig-dr-891/p/1/
✅PATREON: http://hr2.li/7xziu
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Commissions can be earned on Affiliate Links
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Buy Two Way Radios – http://hr2.li/7q211
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🧰 Save 20% off of everything at https://hamradioprep.com with the code JASON20
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—————————————————————————–
Mail: 2150 W. Northwest Highway STE114-1163, Grapevine TX 76051
Thanks for watching!
#Hamradio #kc5hwb #hamharder
Doug, WA4BD / VA3BD, is wondering what open-wire line is good for. Is there a specific transmission line better for long distances? What exactly is open-wire line?
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Videographed and Edited by Teagan Kulbeth, KF0UTR
#amateur radio
#ham radio
#technician license
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#ke0og
#dave casler
#ham radio answers
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#antenna
#dipole
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#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
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My Amazon author page, which lists my print and Kindle books: http://www.amazon.com/-/e/B00471I0Q4.
Channel Update and Welcome for the Month of August 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
Hoodies – https://grapevineamateurradio.com/products/tank-radio-hoodie-limited-time
Boonie Hats – https://www.gigaparts.com/tank-radio-logo-boonie-hat.html
Sticker Pack – https://grapevineamateurradio.com/collections/combo-packs/products/tank-radio-official-sticker-pack
Help support me by:
RollerCam Website – https://classic.avantlink.com/click.php?tool_type=ml&merchant_link_id=6e7562a0-f7b0-4d9a-b15e-25ce3aedb94a&website_id=16611296-f891-4f8b-8010-5fa29c2cab5f
5% off selected Items at Gigaparts- https://www.gigaparts.com/nsearch/?lp=KG5AHJ%20INFLUENCER%20PAGE
5% off at Alpha Antenna – https://www.alphaantenna.com/?aff=20
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Somehow I Managed To Get The Yaesu FTX-1F Working With Winlink Express. Here’s How I Did It…Sort Of.
★Instal Windows On Your Mac Completely FREE: https://youtu.be/LWXO4DhQRL0?si=eqk0-pCVIXXF2JpN
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As an Amazon Affiliate, I earn from qualifying purchases.
★★LINKS TO OTHER COOL STUFF:
★Save 10% off at https://www.bioennopower.com with Coupon Code HRT (NON AFFILIATE)
★Save up to 20% off your Coax order at ABR Industries. Code K8MRD10 at checkout.
https://abrind.com/?sld=2 (affiliate)
★The SkyHook Portable Mast Antenna Mount (non affiliate)
http://www.thehamstop.com/
Code K8MRDRADIO for 20% off
★Save 5% Off At Gigaparts With Code K8MRD:
https://www.gigaparts.com/nsearch/?lp=K8MRD%20INFLUENCER%20PAGE
★Save 10 % off Messi & Paoloni & ABR Industries Coax With Code MP10 https://www.gigaparts.com/nsearch/?lp=Mike%20Coax%2010%20Off#?lp=Mike+Coax+10+Off&search_return=all&res_per_page=60
★10% off Messi & Paoloni Coax
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
Ready to get on digital modes like FT8, Winlink, APRS, and AllStar without breaking the bank? In this video, we’ll break down the PTT circuit on the TOADs DI USB sound interface, showing you exactly how a simple NPN transistor lets your computer key your radio — just like pushing the mic button.
Whether you’re brand-new to ham radio or looking to level up your technical skills, this easy-to-follow explanation will show you how the circuit works and why it’s so important for digital modes.
Works with ANY radio and YOUR imagination!
👉 Winlink
👉 Allstar
👉 APRS
👉 FT8
👉 JS8Call
👉 Packet Radio
📌 Watch the full series where we cover:
• COS (Carrier Operated Squelch)
• Audio In
• Audio Out
• PTT (today’s video)
👋 Subscribe so you don’t miss the rest of the series!
Click the 👍 Like Button, 🤡 Leave a Comment, ❤️ Subscribe
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👉 Fun Stuff 👈
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Where possible, all links are affiliate links, this youtube thing is an expensive endeavor and every little bit helps.
Discover the Lab599 Discovery TX-500MP Ham Radio in our latest YouTube video! This compact, rugged manpack transceiver offers 160-6 meter coverage, 10W output, and advanced features like auto-notch, noise reduction, and a built-in antenna tuner. Perfect for portable operations, POTA, and off-grid adventures. Watch our in-depth review and see it in action! #HamRadio #Lab599 #TX600MP #qrp
Today’s video is sponsored by M&P Coax – save 10% off of all coax products with code HR2CABLES at this link – https://hr2.li/cables
★★★Support This Channel and Help Spread the Word about Ham Radio★★★
📸 Email List sign-up – http://hamradio2.com/email-signup
📸Text Messaging sign-up http://hamradio2.com/textme
📸Shop Our Sponsors and Coupons: https://www.livefromthehamshack.tv/affiliates-and-deals/
📸Looking for an HT Antenna Upgrade? https://signalstuff.com/products/#signalsticks?ref=3200
📸Looking for the BEST Digital Interface for your HF Radio? https://digirig.net/product/digirig-dr-891/p/1/
✅PATREON: http://hr2.li/7xziu
✅Shop our Products: http://www.shop.hamradio2.com
✅Shop our Amazon Store: https://www.amazon.com/shop/hamradio2.0
Commissions can be earned on Affiliate Links
📻 Shop Our Sponsors 📻
R&L Electronics – https://www.randl.com
Buy Two Way Radios – http://hr2.li/7q211
🧰 Save 20% off of everything at https://hamradioprep.com with the code JASON20
FlexRadio – https://flexradio.com
BaofengTech – https://baofengtech.com
—————————————————————————–
Mail: 2150 W. Northwest Highway STE114-1163, Grapevine TX 76051
Thanks for watching!
Tonight we are gonna do the PTT thang! Using the TOADs DI and an improvised PTT circuit on a breadboard, we’ll PTT from our PC to our Radio and pass some audio!
Works with ANY radio and YOUR imagination!
👉 Winlink
👉 Allstar
👉 APRS
👉 FT8
👉 JS8Call
👉 Packet Radio
This will work for the following radios:
👉 Retevis RT95: https://geni.us/fz4da42
👉 Anytone AT-778UV: https://geni.us/nQe6wBS
👉 Anytone AT-778UV II (VOX): https://geni.us/lJhT
👉 CRT Micron UV: https://geni.us/aFSTN
👉 Stryker SR94HPC: https://geni.us/JWWq18h (I think? I want one!)
👉 Midland DBR2500: Mythical?
Click the 👍 Like Button, 🤡 Leave a Comment, ❤️ Subscribe
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🖍️ 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
From time to time, Temporarily Offline holds giveaways during our live streams—no entry fee or special conditions required. To participate, you must be watching live. We use Streamyard’s giveaway tool to draw and announce winners in real-time. Winners must provide valid shipping information to receive their prizes. If you’re not comfortable sharing this information, your prize will be forfeited and re-drawn, possibly during the same show. Rest assured, your contact details are only used for shipping and will never be shared with third parties. Unless otherwise noted, giveaways are limited to US residents only. Not Sponsored By Youtube.
Where possible, all links are affiliate links, this youtube thing is an expensive endeavor and every little bit helps.
