How to build inexpensive, simple ham radio antennas.
Slim Jim design and use
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If you're looking for a portable 2m/70cm antenna with great gain, please consider a "Slim Jim" designed and built by Joe (N9TAX).
In this video, Joe offers an in-depth detailed analysis of the popular Slim Jim VHF/UHF antenna--a system designed for easy deployment in a variety of "field" operations. This antenna is a perfect addition to your ARRL Field Day installation.
The video discusses how to build this antenna and use it for both amateur radio and commercial scanning.
If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=USRFt2xmPJM.
Thanks for joining us today.
Russ Roberts (KH6JRM/AL0HA).
Here are some comments from Joe (N9TAX):
Check out our website! http://www.n9taxlabs.com
This video dives into the design use and configurations of N9TAX Slim Jim antennas. These antennas can be used for Amateur radio commercial radio and scanning. They cover bands ranging from 100 - 1000mhz *. We take a look at the gain, pattern and various mounting methods of these simple yet powerful antennas.
*These are not wide-band antennas. We can tune them for chunks of radio band in the range of 100-1000 mhz.
00:00 - Intro
00:40 - Antenna Pattern and Gain
10:11 - Antenna Construction
14:50 - Mounting the Antenna Indoors
20:48 - Mounting the Antenna Outdoors
26:05 - Rigid Mount Mast
29:30 - Connections/Water Intrusion/Silicon Tape
If you want to experiment with unconventional antenna designs, please consider adapting US military HF antennas. These antennas are easy to build and perform well on several amateur radio bands. In this video, Walt (K4OGO) builds a Terminated End Fed V Antenna (TEFV). The antenna is broad banded, requires no antenna "tuner", and covers frequencies from 1.8 to 30 MHz. If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=CCmi84GMNJQ. Thanks for joining us today. Aloha es 73 de Russ (KH6JRM). Here are a few comments from Walt (K4OGO): built a US Military TEFV antenna to spec and worked the HF bands #hamradio #portablehamradio #hamradioantenna Link to Palomar Engineers maker of the 12:1 balun and 600 ohm termination resistor: https://palomar-engineers.com Transcript Follow along using the transcript. Show transcript COASTAL WAVES & WIRES 36.3K subscribers Videos About Salty Walt's Patr...
Thanks to John (W5ODJ) for this variation of the popular Off-Center-Fed Dipole Antenna (OCF). The antenna is easy to build and uses a 4:1 balun to cover the 80m, 40m, 20m, and 10m Amateur Radio bands. Views expressed in this article are those of John (W5ODJ). Accessed on 12 January 2026, 2242 UTC. Building an off-center fed (OCF) Dipole – Loudoun Amateur Radio Group Please check email link or scroll down to read the full article. Thanks for joining us today. There is a video attached at the bottom of this post. Aloha es 73 de Russ (KH6JRM). --------------- Building an off-center fed (OCF) Dipole This type of antenna is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning . It’s a dipole fed off center with a 4:1 balun at the offset feed point. The antenna shown covers 80, 40, 20 and 10 meters. The formula can also be used to adjust the overall length to cover more or fewer bands and the resulting overall length. ...
Here's another way to operate your ham radio station without nosy neighbors complaining about the visual impact of your current antenna system. In this video, Danny (KD5W) shows us how to use your property fence as super stealth HF antenna. You can find most of your materials at the nearest hardware or building supply outlet. Many operators call this project a "Fencetenna"--something you may wish to use if no other antenna design is available. If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=wzA9SkrUcNw. Thanks for joining us today. Aloha es 73 de Russ (KH6JRM). Here are some comments from Danny (KD5W): Discover an innovative way to use your fence as a functional ham radio antenna! ============================================== 🔥Support the channel: YouTube Membership: / @brokensignal Tip Jar: https://www.paypal.com/donate/?busine... $15 off at Rdioddit...
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