Posts

Insane 20cm aluminum-foil antenna for 10m

Image
Radio amateurs have used almost anything made of metal for antennas.  How about using common aluminum foil as an impromptu or emergency antenna? In this fascinating video, David (DL1DN) experiments with a rolled-up piece of aluminum foil as an antenna for the 10 meter Amateur Radio Band.  Believe it not, the antenna works.  You have to see to believe this. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=TDV9eA6S6q8 Here are some comments from David (DL1DN): Awesome 20cm antenna made of aluminum foil. I just test this stupid antenna and it works 😉 Check what is possible with QRP and 20cm antenna. 73 David DL1DN ----- Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).  

Top 10 Portable HF Antennas

Image
Thanks to Walt (K4OGO) for this list of best performing portable HF antennas. These HF antennas can be used at home and "in the field." If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=BYG76axXoFo Here are some comments from Walt (K4OGO): #HamRadio #AmateurRadio #HamRadioAntennas My 10 favorite antennas for operating portable HF Ham Radio #HamRadioAntennas #AmateurRadio #HamRadio Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).  

The most popular HF Backyard Antennas-2023 Results

Image
Thanks to Peter Waters (G3OJV) for this enlightening discussion of popular HF antennas suitable for backyards or other restricted spaces. Peter considers verticals, end-fed halfwaves, and the popular G5RV as good candidates for small urban lots. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=vX9vf78UiMw Here are some comments from Peter (G3OJV): At the beginning of 2023, Peter G3OJV takes a look at the most popular compact and Stealth HF Antennas in use during 2022. It may also give you some ideas for antennas suitable in your Back Yard. Balanced Line G4NSJ https://www.radio-workshop.co.uk/g4ns... Low Cost Matching Transformer https://www.youtube.com/watch?v=4PHyg... Half Square 3dB Gain Ultimate Antenna https://www.youtube.com/watch?v=xu9MR... What is a Doublet Antenna https://www.youtube.com/watch?v=mT5V6... ----- Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).  

Make A Great HF Antenna-Easy!

Image
The "classic" doublet antenna is one of the easiest, most efficient antennas available to radio amateurs. In this video from SOTA (Summits On The Air) co-founder Richard Newstead (G3CWI), we learn how to design, build, test, and use this multiband HF antenna. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=ak9mJOcyhbs Here are some comments from Richard (G3CWI): The doublet is a very efficient and effective multi-band antenna. In this video I show just how easy it is to make one! This antenna covers 80-10m with a suitable antenna tuner. Ideally, use a tuner with a balanced input or put a suitable 1:1 balun between the antenna and an unbalanced tuner. Questions? Ask them in the commenbts below. Doublet antenna information https://www.electronics-notes.com/art... Items used: heavy duty wire (50m) https://www.sotabeams.co.uk/antenna-w... open wire line spacers https://www.sotabeams.co.uk/open-wire.....

HF Linear Loading Antennas for Small Gardens

Image
If you can't fit a full-size HF dipole antenna on your property, then this idea from Peter Waters (G3OJV) is worth considering. In this video, Peter (G3OJV) explains the theory and practice of HF Linear Loading Antennas--antennas that perform nearly as well as fill-size dipole antennas. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=OSxg7XQFwIE Here's a brief analysis of the video: Fitting HF antennas into small gardens can be a real problem. Linear loading is one answer to the problem. Here, Peter G3OJV, explains one simple method of reducing your antenna size with the minimal amount of performance (loss with)450 Ohm Ladder Line https://hamradiostore.co.uk/search/?q... ----- Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).  

Best Ham Radio Antenna for small spaces

Image
If you want an excellent HF antenna for restricted spaces, then please try this "Shorty Forty" End-Fed Halfwave design from "The SmokinApe." The antenna is suitable for both home and portable use. If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=v6U8jBEtWs0. Here are some comment from "TheSmokinApe." Best Ham Radio Antenna for Small Spaces In this video, I show a Ham Radio Antenna that I built for small spaces. The antenna is referred to as a "Shorty Forty" which is a shortened End Fed Half Wave Antenna for 40 Meters (EFHW). Please consider supporting TheSmokinApe Channel on Patreon Here: https://www.patreon.com/TheSmokinApe Here is the video where I built the Induction Coil: https://youtu.be/6WXp29yxCEM Check out my Ham Radio for Beginners Playlist: https://youtube.com/playlist?list=PLm... Check out my Antennas Playlist: https://youtube.com/playlist?list=PLm... ...

Triple Six HF Multiband Delta Loop for 10-24 MHz

Image
Here's a great multiband HF antenna for restricted space or portable operations. In this video from radio amateur Peter Parker (VK3YE), learn how make a simple, vertically polarized Delta Loop Antenna for 10-24 MHz.    As Peter suggests, this antenna has some DX potential at a modest cost. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=B3uZWJdvZ8I Here are some comments from Peter (VK3YE): Got 18 metres of wire, a couple of poles and not much space? If so this vertically polarised delta loop might work for you. It operates from 10 to 24 MHz and can give DX contacts. But is it directive? Watch the video and find out. PS: If you liked this video please consider supporting Amateur Radio VK3YE by: * Subscribing on YouTube, * Checking my books page at https://books.vk3ye.com * Shopping on Amazon via: https://amzn.to/3iiDQXv , or * Shopping on eBay via: https://ebay.us/i9DuWP (then if you buy s...