Posts

Local Emergency Communications with NVIS

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If you want good, reliable HF communications for local or regional emergencies, please consider the NVIS (Near Vertical Incidence Skywave) antenna from "The Tech Prepper." This antenna provides excellent local communication for the 40 meter and 80 meter amateur radio bands. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=yYXVKtu3nwk Here are some comments from "The Tech Prepper": 18,454 views Premiered Feb 18, 2021 In this video, we'll take a look at building a simple 40m and 80m dipole for $20 dollars. Then, we'll deploy it in an NVIS (Near Vertical Incidence Skywave) configuration for local and regional communications. If you're new to the channel, welcome! I'm "The Tech Prepper" and I try to produce weekly videos on all topics related to preparedness. Thanks for supporting the channel! If you like the content, don't forget to hit the thumbs up icon, leave

Vertical Antennas-A Complete Guide

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Thanks to Peter Waters (G3OJV) for this "complete guide" to vertical antennas.   In this well-paced video, Peter examines the theory, construction practices, and uses of popular vertical antennas. You may even discover some new aspects of vertical antennas which can help you in your amateur radio adventures. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=uza3e8E_2uQ Here are some comments from Peter (G3OJV): I found one of the best text Guides I have ever seen covering the topic of vertical antennas. Whilst it is aimed at 160 metres, much of it is applicable to all the HF bands. Let me take you to the link so that you can benefit from the excellent information provided. Vertical Antenna Text Guide http://k9yc.com/160MPacificon.pdf Ham Radio Store https://www.hamradiostore.co.uk Energy Saving Video https://www.youtube.com/watch?v=azFpl... ----- Thanks for joining us today. Aloha es 73 de Russ (KH

Moxon Antenna A Great First Beam

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If you want a simple, effective HF beam antenna, please try this Moxon Antenna design from Derek (HL1ZIC).  The antenna is easy to build and provides modest gain for the HF band of your choice. This antenna would be perfect for those 10 meter openings now occurring during the current solar cycle (Cycle 25). If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=jUiKZ3EIiIc Here a few comments from Derek (HL1ZIX): The Moxon beam antenna is the perfect first beam for the new ham. Learn how to make a Moxon beam for your home qth, get some new ideas, and see some examples. ----- Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).  

Build a random wire end fed antenna and make amazing contacts.

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Michael Martens (KB9VBR) does an excellent job of describing the theory, construction practices, and use of random wire end fed antennas. If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=D_-aNzrIXWs Here are some comments from Michael (KB9VBR): Can a non resonant antenna be efficient? It sure can. I show you how to build a non resonant random wire antenna with a 9:1 transformer. FT-140 43 mix Ferrite Toroid: https://www.mouser.com/ProductDetail/... Toroid Core FT140-43 Ferrite: https://amzn.to/3WKPApC 18ga Enameled Magnet Wire: https://amzn.to/3WFhSBX 4 in. x 4 in. x 2 in. PVC Junction Box - Gray: https://www.homedepot.com/p/Carlon-4-... Homebrew Antenna Challenge: https://youtu.be/wqKuttdHV8o Random Wire end fed antenna resources: https://toroids.info/FT140-43.php https://sprott.physics.wisc.edu/techn... https://udel.edu/~mm/ham/randomWire/ https://m0ukd.com/homebrew/baluns-and... Like what you see

DIY folding VHF/UHF discone antenna

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If you need a simple, field deployable broad band VHF/UHF antenna, please check out this home made folding discone antenna from "SurvivalComms."   The antenna is compact, lightweight, and can fit into your ham radio "go-box." If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=snXHduQVe8Q Here are some comments from "SurvivalComms": A field deployable discone antenna that you can build yourself. Get the broad bandwidth the discone is known for in a simple, durable, inexpensive, and field deployable package that you can build. Featured playlist 25 videos DIY radio antennas Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).  

Cubical Quad Antenna--Is this the best directional antenna?

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If you want more gain in a compact, portable 2 meter antenna, please try this cubical quad design from Charles Thompson (KK6USY). Charles takes us through the design, construction, and testing phases of this high-performance 2 meter antenna. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=E6O6IrLc1kY Here are some comment from Charles (KK6USY): In this video I build a 2m cubical quad antenna. I show the parts I designed an 3D printed for the build. 12-volt rotor build, https://www.youtube.com/watch?v=QvWvs... As an Amazon Associate, I earn from qualifying purchases. Comet Original CAA-500 Mark II, https://amzn.to/3pQ8lJg Pyle speaker stand:, https://amzn.to/3pCCXht 22-gauge silicone wire; https://amzn.to/3MspUsv Creality Ender 3 V2 3D Printer; https://amzn.to/3HGG669 Caculator:, https://www.pasty.com/~ccraa/antennas... Be sure and subscribe to these great channels: TheSmokinApe: https://www.youtube.com/c