Cool Antenna Projects (submitted by KJ7ROX)
2 Meter Slot Antenna using a Satellite TV Dish
Solar Powered 8 Watt Repeater (submitted by KJ7YYI)
Here is a video describing a Baofeng 8 Watt, solar Powered, highly portable, repeater
Space Weather
Is Your Browser Leaking Information?
Here’s a short video on where to test your browser to see what information it is giving away to websites.
BrowserLeaks.com – Check your browser here
Cover Your Tracks – …and here
Device Info – …and here. Be sure to wait on this one
Linux Instead of Windows 11?
If you are considering Linux as an alternative to upgrading to Windows 11, here is a short video on an excellent Windows-like distro to try.
Link to the website: https://linuxmint.com
More Information on Linux distributions: https://distrowatch.com/
Math for Amateurs
The following series of videos demonstrates some math by using it in solving a practical problem.
Vid01 – Determine the height of a tree for an antenna
Vid02 – Another way to determine Tree Height
Vid03 – Determine Vertex Angle of Inverted Vee
Calculating the cut for Half Wave Antenna
Laws of Exponents – needed for decibels
Decibels & Logs – very brief intro
The following website has short tutorials on math for review: https://www.n7twl.com . You can search on YouTube for Math Brat and see a little newer set of tutorials by N7TWL.
NanoVNA Resources
Website: https://nanovna.com/
The website has guides and links, including the Saver application
Rick’s (KJ7ROX) NanoVNA Guide – Revision 1
https://n7tar.org/wp-content/uploads/2021/12/Using-NanoVNA-for-SWR-Measurement-Rev1.pdf
More NanoVNA documentation (not tested for quality or accuracy)
Absolute_Beginner_Guide_NanoVNA_v1_5
Absolute_Beginner_Guide_NanoVNA_v1_6
Introduction_to_Network_Analyzer_Measurements
NanoVNA H2_English (1)
NanoVNA N4WYE Jan 21, 2020 v3
NanoVNA User Guide_20190527.
NanoVNA User Guide_20190711
Programming HTs Using Chirp
How-to Video: Using Chirp to Program an HT
Useful Links (please report broken links)
- J-Pole Antenna
- How does it work? https://www.youtube.com/watch?v=GRJw3SCBGfA
- How to build/tune https://www.youtube.com/watch?v=IdbFqVwoV8s&t=536s
- Installing https://www.youtube.com/watch?v=iwyxwXgLQv0&t=59s
- How to feed https://www.youtube.com/watch?v=iVigUBSP9DE
- Unusual J-Pole https://www.youtube.com/watch?v=Pp3PsWz_vII
- Drawinghttps://www.513repeater.org/elmering/build-a-jpole-antenna/
Handy Scanner Frequencies
Payson PD and FD – PD is moving to encrypted trunking, however, FD is staying as is
ScannerFreqs just a few to get you started