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Some useful documents and tools for using the WXtoImg Software (complied from the original WXtoImg site and re-edited).

Building Wide-Area Composite Images

Thanks to Jeff Kelly (New Jersey, US), Mike Kimzey (Philadelphia, US), David Kunz (San Francisco, US), Cornelius Danielsen (Norway), Alan Hinton (UK), Michael Sørensen (Denmark), and Hans-Juergen Luethje (Germany) who provided the pristine images on their websites to create this wide-area Multi-Spectral Analysis image.

WXtoImg has the ability to combine images from multiple ground stations into very wide-area composite images. With images from enough ground stations it would be possible to produce an image that covered the globe.

Pristine images, available on on many websites, and raw images can be downloaded and processed by WXtoImg almost identically to locally recorded images. By obtaining pristine or raw images from other WXtoImg sites, it is possible to create composite images that cover a much wider area than a single ground station could cover.

  1. You’ll need a registered version of WXtoImg, and version 2.10.6 or later to perform this task.
  2. Firstly, in Options -> Projection Options you’ll need to set the following:
      • Reference Latitude: in general, should be set to a latitude that is within the north and south boundaries below
    • Reference Longitude: this must be set to a longitude within the west and east boundaries below (use something near the middle if in doubt)
    • North Boundary (latitude): The northern latitude limit of the projection (use negative numbers for degrees south)
    • South Boundary (latitude): The southern latitude limit of the projection (use negative numbers for degrees south)
    • West Boundary (longitude): The western longitude limit of the projection (use negative numbers for degrees west)
    • East Boundary (longitude): The eastern longitude limit of the projection (use negative numbers for degrees west)
    • Scale: Images can get very large, using a scale of about 1.0 will preserve most of the detail, but using a scale of 0.8 or 0.5 or even 0.25 is not unreasonable, alternatively you can set the width of the desired image in pixels (e.g. 1024)
  3. Select Options -> Save Options. Note that these projection boundaries won’t affect WXtoImg’s production of composite images during autoprocessing.
  4. Set Projection to Eckert IV or Eckert VI or Mercator. Some projections like Orthographic produce very curved and distorted images when the composite image gets very wide.
  5. It is a good idea to set Contrast to none or Linear (constant) and Illumination Compensation to Full so that the images will blend together nicely.
  6. Set Enhancement to whatever you like (except Pristine).
  7. Now build the wide-area composite image by opening pristine (or raw images) using File -> Open Raw Image. (You can also open your own audio files for this step.) A large image will be created, mostly black.
  8. Choose File -> Composite image to… and save this. It is preferable to use a PNG extension if you plan to put together more than about 8 images. Using a .JPG extension is less desirable, because JPEG images are lossy and the loss increases each time you add an image.
  9. Repeat steps 6 and 7, compositing the image to the same file you chose the first time you performed step 7. Note that you will be prompted if you want to replace the image, choose OK, it won’t replace your composite image, just merge the new image into it.
  10. To view your composite image, select File -> View Image and select the file you created (or look in the Composites tab).
  11. You can increase the contrast in the final image (you’ll likely want to do this if you selected none for Contrast in step 4), by selecting Histogram equalize Image from the Image menu (and saving the resulting image.) Alternatively, you could select Increase Contrast from the Image menu several times.

Sites with Pristine images

If you are interested in sharing your WXtoImg website, send me the link and I will post it here – email to creinemann@gmail.com

Pristine images may be downloaded and processed by WXtoImg nearly identically to locally made recordings. Using multiple sites, they can used to generate wide-area composite images as shown above. To process a pristine image, simply download the full-size image and open using (File -> Open Raw Image) in WXtoImg.

North American Wide Area Composite

North American Wide Area Composite

Global Area Composite Click to see High Res Image


North America South America: Europe: Africa/Indian Ocean: Asia: Australia/Oceania:
Carl Reinemann Jefferson, WI, USA

San Francisco, USA

Potomac Falls, VA, USA

Hudson NY, USA

Sullivan, IL, USA

Houston, TX, USA

Port Alberni, BC, Canada

San Francisco, CA, USA

Spring Hill FL, USA

Sullivan, IL

Havertown, PA

Atlanta, USA

Linden VA, USA

Eugene OR, USA

Guayaquil, Ecuador

Florida, Buenos Aires, Argentina

LCF, Mexico

Michael Sørensen (Denmark)

Damian- Brinkworth, UK

Ferndown, Dorset, UK

Polmont, Scotland, UK

Penzberg, Germany

Vasa, Finland

Fevik, Norway

Basingstoke, Hampshire, UK

Bellinzona, Switzerland

Mendrisio, Switzerland

Hrusova, Czech Republic

Holice Kamenec, Czech Republic

Birch, Chechnya

Olmeto, Perugia Italy

Zutphen, Netherland


Trebes, France

Les Avirons, Reunion

Kochi, Japan Quatre Bornes, Mauritius

Bathurst NSW, Australia

Logan City, Qld, Australia

Contact us to have your site included.

Other Satellite Capture Pages:  Thes currently do not show “Pristine Images needed for a wide area capture, but are great sites as well

Additional Worldwide Satellite Image links updated 7-1-2019

Sites that have not had ANY updated images within the past year, or have since been deactivated have been removed.

North America South America Europe Asia Africa Oceania
Northern Berkshire County, MA Nimbus Weather, Uruguay Grootegast, Netherland Suoi Tien, Vietnam Brisbane, Australia
Plymouth, MA OZ7OX, Hou, Denmark
Tobaccoville, NC F2FT, Cassis, France
Vero Beach, SC, USA SV2BZQ, Thessaloniki, Greece
Moscow, Russia
Warsaw, Poland
Stowmarket, United Kingdom
HB9AFZ, Bellinzona, Switzerland*

Trochtelfingen – Haid, Germany

Erlach, Schweiz

Chepstow, United Kingdom

Lodi, Italy

Oxstedt, Germany

Salo, Finland

Crema, Italy

Sipoo, Finland

Roma, Italy

Anchorage Alaska, United States


* Pristine images available