Elmer Hour 1-19-23

Net Control KN6RBP Rick

In addition to your questions. Topics may include:

  • Solar Wind
  • Possible Changes to our Bands & Modes Schedule
  • Winter Field Day
  • Build Your Own Linear Amplifier
  • Space X
  • 10M FM (29.600)

Solar Wind & Ham Radio

Solar conditions play a pivotal role in ham radio propagation, influencing the quality and range of communication across the globe. Ham radio operators, or amateur radio enthusiasts, rely on the ionosphere’s ability to reflect radio waves back to Earth for long-distance communication. The ionosphere’s ionized layers, influenced by solar radiation, impact the behavior of these radio waves.

Solar activity, primarily driven by the sun’s sunspot cycle, has a profound effect on ham radio propagation. During periods of high solar activity, characterized by an increased number of sunspots and solar flares, the ionosphere becomes more ionized and reflective. This enables ham radio signals to bounce off the ionosphere’s layers and reach distant locations, allowing for enhanced long-range communication.

Conversely, during periods of low solar activity, the ionosphere’s layers become less ionized, leading to weaker and less reliable signal reflections. The success of ham radio communication is closely tied to selecting the right frequency bands that can effectively penetrate or bounce off the ionosphere depending on its state.

Amateur radio operators keenly monitor solar conditions, such as the Solar Flux Index and the K-index, to predict radio wave behavior and adjust their communication strategies accordingly. This interplay between solar conditions and ham radio propagation underscores the fascinating dance between space weather and the art of amateur radio communication.



Lets Get Linear (on a budget)

From KB3TTP

Be prepared for this to take up to a year to build. Be prepared to work with something that with a slip of the hand will kill you! Be prepared not to take too much time off from work. Be prepared to not to take too much time off from your XYL. Do take full time to ENJOY doing a project like this. Do not rush it, because when your done and everything finally works just the way you want it to, you will not know what to do with yourself next. You can take these plans and use them straight up and everything should work just fine, or you could take the time to make changes to suit your taste and uses. I took the latter and wanted to build something to suit my needs. Be prepared if you do this to make many changes in your designs as you go along. I made at least 20 or 30 changes in mine, maybe more. This amplifier started out as ZL1AXB’s plans for his amplifier that you can find on the web and I have modified those.

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