FAQ
N1 to CAL Conversion
What are N1 files?
N1 is the file extension of products from Envisat, a large Earth observation satellite of the European Space Agency (ESA). The letters in the name stand for the satellite itself: N1 for Envisat-1, while products from the older ERS-1 and ERS-2 satellites in the same family use E1 and E2. A file of this type contains the measurements of one instrument for one pass over the Earth, for example a radar image from ASAR, a color image of the ocean and land from the MERIS spectrometer, or sea surface temperature from AATSR. It also contains a description of the product and its quality. Many such files still lie in scientific archives, and they are used for research on oceans, ice, vegetation, and the atmosphere.
What are CAL files?
A CAL image file represents a monochrome bitmap image that uses the CALS raster image standard for storing graphics data. This standard was created in the 1980s by the US Department of Defence as a compressed interchangeable image format. CAL and CALS are extensions used for similar purposes.
Can reaConverter convert N1 to CAL?
Yes! reaConverter instantly converts .n1 to .cal with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.
What is reaConverter used for?
reaConverter is a Windows converter for 800+ formats, GIS data among them. For N1 to CAL it replaces the usual detour through QGIS, ArcGIS or ogr2ogr: add the files, pick the output format, and the whole batch converts offline. Surveyors, planners and engineering teams use it to pass data between GIS, CAD and everyday document formats.
Why choose offline conversion with reaConverter?
reaConverter is a software program that is used for offline files conversion. Your proprietary documents never leave your computer – essential for architects, engineers, healthcare and government contractors handling classified projects. Meets GDPR, HIPAA, CCPA, and corporate security policies by ensuring files never cross borders or third-party systems.
Can I convert N1 to CAL online?
If you only need to convert a few N1 files to CAL format, feel free to try our free online free online N1 to CAL converter — perfect for small batches with no installation needed!
How can I turn N1 files into CAL on my computer?
The best way to change N1s to CALs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from N1 to CAL.
How can I automate N1 to CAL files conversion?
reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.
Is there a way to convert N1 files to CAL using the command prompt?
reaConverter provides full access to all its features via Windows command line, including a high-performance command-line n1 to cal converter for batch processing.
What else can I do with reaConverter?
Convert GIS filesConvert CAD formatsSet file dateConvert microscopy filesImage resizer
Related conversions
Other ways to convert N1 files, and other sources that convert to CAL.
