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Converting SIR to CG4

SIR is also known as a BYU-MERS format and is associated with images used by organizations such as NASA to store space captions of planet earth and data related to them. The format was developed by a group of researchers on Microwave Earth Remote Sensing (MERS), at the Brigham Young University (BYU) and is considered rare.

CG4 is a raster format associated with CALS (Continuous Acquisition and Life-Cycle Support) — a program initiated by the US Department of Defense to capture and link military data. CG4 is compatible with a very limited number of digital graphics programs. Files with this extension contain a bitmap that often uses the CCITT4 compression, which is an old fax machine standard used for black-and-white images.

So, how to change SIR into CG4?

The quick and simple way to handle your files is to get a quality piece of software, such as reaConverter. Although it is fast, this software is extremely efficient in managing a wide range of conversions. As you will soon realize, reaConverter will help you avoid spending countless hours trying to figure out how to convert SIRs. But at the same time, it will allow you to apply a wide range of editing options.

Download and Install reaConverter

reaConverter is quick to download, install and launch, and you don't need to be an IT specialist in order to understand in a few minutes how it operates.

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Install reaConverter

Load SIR Files

Start reaConverter and load all the .sir files you intend to convert into .cg4 because, as opposed to most free online converters, reaConverter supports batch conversion. So you can save the time and energy you would lose with doing repetitive operations.

Select SIRs from a folder or by drag-and-dropping them directly into the reaConverter window.

Choose Output Folder

Go to the Saving options tab and decide where you want to save new .cg4 files. You can also spend a few more moments to apply additional editing to the images prepared for conversion.

Select CG4 as Output Format

Then pick the CG4 as output format. To help you do this, a series of buttons is conveniently placed at the bottom of the reaConverter window, so you can simply press on the one you need or click Plus button to add new options.

Then simply press the Start button and your conversion will begin in no time!

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Video tutorial

Command-line interface

Advanced users can convert SIR to CG4 via command-line interface in manual or automated mode. You are welcome to contact our technical support when you have any questions about reaConverter.

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Highly efficient batch SIR to CG4 converter that makes it easy to handle huge number of files and folders in a few simple operations.

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