Posts

HamRadio: Make your into a DX Machine.

Image
Thanks to Tim (G5TM) for this method of changing an HF End-Fed Antenna into what he calls a "DX Machine." This Half Square variant is easy to build and will return great DX performance with some concentrated effort. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=cKbde0oRYxE  . Here are some comments from Tim (G5TM): The EFHW is a very adaptable antenna as we can configure it in so many ways. By doing this as a half square we can make the harmonically related bands perform really well for DX! Connect with my channel by subscribing and commenting. 73 ----- Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).

HF Vertical Antennas-The positives and the negatives.

Image
A well-balanced analysis of the pros and cons of HF vertical antennas. Peter Waters (G3OJV) uses his more than 60 years of Amateur Radio experience to discuss the theory and operation of vertical antennas. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=McjFpTj0UI8. ----- Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).  

I think this is the best portable ham radio antenna I've used.

Image
If you're looking for a truly excellent HF antenna for portable operations (SOTA/POTA), then this EFHW prototype with a 49:1 balun may be for you. In this video, Carl (M0SZT) assembles and tests this new product in the field and gives us his opinion of its advantages and minor flaws. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=iM17uHpyX8s. Here are some comments from Carl (M0SZT):  

6 Meter Ladder Line J-Pole Antenna Build

Image
Here's an easy, inexpensive way to get on the 6 meter Amateur Radio Band. In this well-constructed, concise video, Steve (AD4XT) takes us step-by-step through the design, building, testing, and operational phases of this highly portable 6 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=5FgxejH1COc. Here are some comments from Steve (AD4XT): Start to finish 6 meter antenna build using ladder line. An easy to build antenna to get you on the 6 meter band. I have built and used these antennas for both the 6 and 10 meter bands. They are easy to deploy up high in a tree. Six meter season is here. Steve - Ad4xt Ham Radio Portable 4.09K subscribers Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).  

DIY 2M Ground Plane Antenna-Ham Radio-TheSmokinApe.

Image
If you want a simple, effective 2 meter antenna suitable for home or portable use, you can't beat a basic quarter-wave ground plane. This antenna is sturdy, inexpensive, and easy-to make. In this video, "TheSmokinApe" shows us how to make this simple 2 meter ground plane antenna. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=blTsPISfhgE. Here are some comments from "TheSmokinApe": In this video we build a DIY 2 Meter Quarter Wave Ground Plane Antenna. Please leave any questions, comments, suggestions or recommendations below and I will do my best to respond. Please consider supporting TheSmokinApe Channel on Patreon Here: https://www.patreon.com/TheSmokinApe Links to products in the video: https://www.amazon.com/shop/TheSmokinApe Aluminum Rods: https://amz.run/44uz As an Amazon Associate I earn from qualifying purchases. Video Links: http://www.csgnetwork.com/antennagpca... htt...

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

Image
A non-resonant random length wire end fed antenna is one of the simplest and easiest to use HF antennas in the radio amateur's toolbox.  The key to this outstanding antenna is the use of a homemade 9:1 balun inserted between your feed line and the antenna. Michael Martens (KB9VBR) takes us step-by-step through the design, building, testing, and use of this basic ham radio antenna. 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 a few 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 Chal...

Vertical half wave antenna-QRP portable

Image
If you want a new kind of portable operation, please try this experiment from Walt (K4OGO). Walt took his modified "DX Commander" antenna to a North Carolina Beach to work Australian hams (VK) using "Greyline Propagation."  His results were sometimes dramatic, but always enjoyed. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=EDU7b8ADBiA Here are some comments from Walt (K4OGO): Working Australia from a beach in North Carolina 10 watts SSB QRP with a vertical end fed half wave antenna #hamradioantenna #endfedhalfwave #hamradio Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).