HF Propagation
An Introduction to
HF Propagation
By: Steve Foy – N4FOY &
Paul White – N4WGL
Dated: October 1,
2016
Credits:
This presentation is
adapted from an article by Dennis J. Lusis, W1LJ, appearing in QST
magazine December, 1983.
Thank you to Paul
White, N4WGL, for advice and counsel in creating this presentation.
Part of the Tech Series of Presentations at
the Upper Pinellas Amateur Radio Club (UPARC)
Permission Rights:
Used by
permission granted to TVARC's President (Earle Hancock/KM4ISN) by Steve
Foy/N4FOY on January 16, 2017
Click on above Ionosphere
diagram for presentation in Adobe Portable Document Format
(PDF)
This PowerPoint presentation
(slides) provides a basic overview of how radio waves propagate long
distances. Here's a list of the major topics covered in this
presentation:
To view a PDF of this presentation click here
- Overview of Propagation
- The Ionosphere & Layers
- Refraction
- Multi-hop Propagation
- Effects of the Sun
- Propagation Predictions / Further Reference
- Summary / Q&A
To view a PDF of this presentation click here
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Space Weather and Solar
Activity
A mini-course on Space Weather, and Solar Activity. A series of YouTube videos by the "Space Weather Woman", Dr. Tamitha Skov/WX6SWW.
For a mini course on The Solar Activity Cycle. OK, not so mini, 1 hour:43 minutes in length. Get a cup of coffee, have a seat, and enjoy.
Number 2 in the series: Sunspots & Telescopes. 1 hour: 31 minutes
Number 3 in the series: All About Indices. 2 Hours: 29 minutes
Number 4 in the series: Freeform Live Q&A. 1 Hour: 57 minutes
A mini-course on Space Weather, and Solar Activity. A series of YouTube videos by the "Space Weather Woman", Dr. Tamitha Skov/WX6SWW.
For a mini course on The Solar Activity Cycle. OK, not so mini, 1 hour:43 minutes in length. Get a cup of coffee, have a seat, and enjoy.
Number 2 in the series: Sunspots & Telescopes. 1 hour: 31 minutes
Number 3 in the series: All About Indices. 2 Hours: 29 minutes
Number 4 in the series: Freeform Live Q&A. 1 Hour: 57 minutes
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Number 1 in the series: Coronal Mass Ejections and Aliens: 3 Hours: 7 minutes
Number 2 in the series: Interplanetary CMEs & the Truth About Carrington Events: 3 Hours: 11 minutes
Number 3 in the series: Stealthy Coronal Mass Ejections & Problem Geomagnetic Storms: 2 Hours: 32 minutes
Number 1 in the series: Coronal Mass Ejections and Aliens: 3 Hours: 7 minutes
Number 2 in the series: Interplanetary CMEs & the Truth About Carrington Events: 3 Hours: 11 minutes
Number 3 in the series: Stealthy Coronal Mass Ejections & Problem Geomagnetic Storms: 2 Hours: 32 minutes
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Number 1 in the series: Solar Flares & Radio Bursts, Continued: 2 Hours: 30 minutes
Number 2 in the series: Solar Flares & Radio Bursts, Continued: 3 Hours: 32 seconds
Number 3 in the series: Solar Flares & Radio Bursts, Continued: 2 Hours: 34 minutes
Number 4 in the series: Final Course on Solar Flares & Radio Bursts: 3 Hours: 25 minutes
Number 1 in the series: Solar Flares & Radio Bursts, Continued: 2 Hours: 30 minutes
Number 2 in the series: Solar Flares & Radio Bursts, Continued: 3 Hours: 32 seconds
Number 3 in the series: Solar Flares & Radio Bursts, Continued: 2 Hours: 34 minutes
Number 4 in the series: Final Course on Solar Flares & Radio Bursts: 3 Hours: 25 minutes
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"The Invisible Killer - Radiation Storms from the Sun & Beyond (Part 3)": 3 Hours: 34 minutes
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"The Invisible Killer - Radiation Storms from the Sun & Beyond (Part 2)": 3 Hours: 16 minutes
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