Posts

Design and Build of an EME Dish.

Image
An exceptionally well-made tutorial on how to design, build, test, and use a basic EME dish antenna from Skip Macaulay (VE6BGT). Skip deserves praise for making an antenna that many radio amateurs dream of.  This antenna is a true work of art. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=vq1GE1EmiXE Here are some comments from Skip (VE6BGT): This is a show and tell on how I went about building my 21 foot moonbounce dish back in 2015 to 2016.. Also some good and poor videos at the end of how it was finally installed and the oops moment... ----- Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).  

Ham Radio, a Bike, and the Great Outdoors: Share Your Bicycle Mobile Operation.

Image
For an interesting field operating experience, take Amateur Radio on a bicycle mobile operation. In this video from Bob of the "HOA Ham" video channel, we see how easy it is to go bicycle mobile to the nearest park for some interesting contacts. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=UJiNR--ZLLo Here are some comments from Bob: Ham Radio, a Bike, and the Great Outdoors: Share Your Bicycle Mobile Operation. Join the Bikes On The Air Facebook Group. https://www.facebook.com/groups/bikes... Items used in video: ➽ Protective Wrap -- https://amzn.to/3HcuGrS ➽ Manpack Collapsible 7 Element Whip Antenna -- https://amzn.to/3KvaEt7 ➽ Xiegu G90 -- https://amzn.to/3xEIZ5K ➽ Bioenno Power BLF-1209WS 12V 9Ah -- https://amzn.to/3zqFD7D ➽ Wolf River Coil Silver Bullet Mini -- https://www.wolfrivercoils.com/order.... ➽ G90 PowerPole Adapter -- https://ebay.us/R1aUDP HOA Ham Facebook

Multiband EFHW Base Antenna with 49:1 UnUn (homemade).

Image
Thanks to Paul (OM0ET) for this vital accessory for all End Fed Halfwave Antenna Systems--a 49:1 UnUn. Paul takes us step-by-step through the design, building, and testing phase of this UnUn. As designed, this UnUn will enable operations on the 40m-20m-15m-and 10m Amateur Radio Bands. If you can't see the video, please insert this title URL into your browsers search box:  https://www.youtube.com/watch?v=z-_2aBqcjI8 Here are a few comments from Paul (OM0ET): 12,094 views Dec 14, 2022 #antenna #homemade #efhw CORRECTION: Toroid core is used FT240-43 (not 140-43) My new home made Multiband End Fed Half Wave Antenna which has been designed mainly for 40M band (7MHz), but this antenna tunes also on 20M-15M-10M without any traps or additional coils. This antenna is made for 100W RF input power and is 19,129m long. SWR on 40M band is 1:1.1 within the phone section and less than 1:1.5 within a whole band. The 49:1 UNUN box is weather proof and all holes for components I drilled were

DIY 10 Meter Dipole for under 10 Dollars.

Image
You don't need much in the way of money or equipment to build a "quick, cheap, and easy" dipole antenna for the 10 Meter Amateur Radio Band. According to Mike (K8MRD), you can design and build an efficient 10 meter dipole antenna for under $10 (USD).  Almost any kind of wire can be used for this simple antenna. Just follow the suggestions in this video and you'll be on the air in no time. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=jHyEMdHVMWc ----- Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).  

How to build an emergency UHF Ground Plane Antenna

Image
Thanks to the "SurvivalComms" video channel for this simple, effective UHF emergency antenna. Most of the materials for this project can be obtained at your neighborhood hardware and building supply store.  You may have most of the items in your "junk box."   Make one of these field expedient antennas for your "go-box" and put it in your vehicle for your next portable operation. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=JgNjZwouCx8 Here are some comments from the video: "When all else fails and you need to get on the air. Building a UHF ground plane antenna out of RG6 TV coax, a BNC bulkhead connector, duct tape, and a multi tool." ----- Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).  

Vertical Extended Double Zepp Antenna For 2 Metres (and more).

Image
If you want strong, omnidirectional performance on the Amateur Radio 2-meter band, then please try this vertical extended double zepp antenna from Peter Parker (VK3YE). The antenna is easily made from locally available materials and can be used on the 6-meter band as well. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=Q-t8NBL67fc Here are some comments from Peter (Vk3YE): A very simple but very good omnidirectional vertical antenna for VHF FM simplex and repeaters. But that's not all. What is it? It's a extended double zepp antenna for 2m. And it does 6m as well. Watch to find out how easy one is to build. 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 something I'll

How to make a 2 meter Yagi and get 7db for 7 bucks.

Image
If you need a simple, inexpensive 2 meter antenna with significant gain over a dipole, then please consider this project from Chuck (KK6SUY). The antenna is based on a "QST" article published in April 1993. Just follow the suggestions contained in this post and you will soon have an antenna just as good as some commercial products. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=cD8dWC13ckU Here are some comments from Chuck (KK6SUY): In this video I show a article from QST magazine that is from April 1993 on how to build a 2 meter Yagi for 7 bucks. With inflation you might actually be able to build it for the price of a Fast Food Meal Lol. article; http://www.arrl.org/files/file/Techno... As an Amazon Associate I earn from qualifying purchases. Aluminum arrows: https://amzn.to/307NdF1 Nylon Threaded Rod: https://www.mcmaster.com/threaded-rod... Threaded Rod: https://amzn.to/3wvGh Jackery 240 sol