Posts

Showing posts with the label Ham Radio

Radio Wave Propagation Basics: Where do signals go-and-how?

Image
  Thanks to Callum (M0MCX) for this detailed, often humorous, discussion of Radio Wave Propagation. Callum does an excellent job of explaining an often difficult  subject.  Also, this video is a great introduction to the study of antennas in general. If you can't see the video, please insert this title URL into your browser search box:        https://www.youtube.com/watch?v=UgA6zU59KZw     Thanks for joining us today. Aloha es 73 de Russ (KH6JRM). Here are some comments from Callum (M0MCX);        In this video we look at how radio signals propagate, whether that be line of sight, reflection, defraction and refraction through the Ionosphere. We discuss the difference between HF (shortwave) and VHF / UHF. We also discuss Sporadic E and how that can also affect some HF signals and VHF signals mostly in the summer months. This video is part of the Foundation Series and is suitable for Foundation Students for Ham Radio a...

12 great easy DIY wire antenna you can build!!

Image
  If you need some new HF antenna ideas that are inexpensive and easy to build, then this video from Chuck (KK6USY) is for you. Chuck describes 8 major antenna ideas, plus a few more that can enhance your enjoyment of Amateur Radio. All of these wire antennas can be made from locally available materials or from items in your "junk box." If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=HdtwRxdgR_M. Thanks for joining us today. Aloha es 73 de Russ (KH6JRM). Here are some comments from Chuck (KK6USY): In this video I go over 12 wire antennas that are easy to make. You may have others that you like male sure and add them in the comments! #antenna , #hamradio , #diy , Learn to build twelve different wire antennas, from dipoles to Yagis. This tutorial covers materials, construction techniques, and tuning adjustments for each design. The video emphasizes economical and easy-to-build options. Summary How...