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@Highpoint2000 Highpoint2000 released this 13 May 13:03
· 3 commits to main since this release
1.2
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TropoForecast

Local and regional tropo forecast for FMDX web server

This forecast is based on my own calculations and—aside from its color scheme and visual design—bears no resemblance to William R. Hepburn's forecast!

TropoForecast

Version 1.2

  • API error 429 was fixed by querying the Open Meteo API once
  • 100 km zoom level added
  • Minor design adjustments

Important note

This plugin provides a very reliable trend and probabilities for Tropo DX. However, due to purely technical reasons (resolution of global weather models), a 100% guarantee of forecast reliability cannot be given. It is still recommended to consult forecasts such as Hepburn.

Installation notes

  1. Download the last repository as a zip
  2. Unpack all files from the plugins folder to ..fm-dx-webserver-main\plugins\
  3. Stop or close the fm-dx-webserver
  4. Start/Restart the fm-dx-webserver with "npm run webserver" on node.js console, check the console informations
  5. Activate the TropoForecast plugin in the settings
  6. Stop or close the fm-dx-webserver
  7. Start/Restart the fm-dx-webserver with "npm run webserver", check the console informations on node.js console

Contact

If you have any questions, would like to report problems, or have suggestions for improvement, please feel free to contact me! You can reach me by email at highpoint2000@googlemail.com. I look forward to hearing from you!

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History

Version 1.1a

  • Location queries are now performed using the stored formats; queries via the browser are now only a fallback option

Version 1.1

  • Increased map brightness and contrast
  • Added Tropo Index display to the button

Version 1.0

  • Uses vertical refractive profiles (N according to ITU logic via temperature, humidity, and pressure)
  • Considers pressure levels (1000–850 hPa) with elevation gradients
  • Searches for strongly superrefractive gradients (threshold ~ −60 N/km instead of just "something below −39 N/km")
  • Additionally considers wind shear in the layer with the strongest gradient, including conversion of direction/speed to u/v components
  • Cleanly scales the result to a 0–10 index (based on Hepburn)
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