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Bilko screenshot

Polar projection MERIS in the LearnEO! tutorial

Bilko 3.4 software

Bilko was first developed for UNESCO in 1987 to provide free image processing capability for education use. The software has since been updated regularly, to keep pace with developments in remote sensing technology. This included updates to support Envisat N1 data from AATSR, ASAR, MERIS and RA-2 soon after launch of the satellite.

LearnEO! has extended Bilko's capabilities to include support for data from ESA satellites such as ERS, SMOS and CryoSat, as well as along-track altimeter data from Envisat and Jason-2. The new version, for use with LearnEO! lessons, is now available to download.

Bilko screenshot

Screenshot from the Amazon lesson using SMOS data

Bilko screenshot

Principal Component Analysis in a Bilko mini-lesson

Bilko screenshot

Screenshot from the El Niñno lesson

Bilko screenshot

Screenshot from the lesson on Forest monitoring

Bilko screenshot

Screenshot from a lesson on subpixel cloud.

Software description

Platform and operating system

Bilko v.3.4 is designed to run on PCs running Windows 7 - 10, Windows Vista, and Windows XP. If you need a version that runs on an earlier operating system, please get in touch.

Bilko also runs on Intel Macs with WINE (free), Parallels or VMware Fusion.
Quick guide to installing WINE and Bilko on a Mac (PDF). Bilko should run in a similar way on Linux with WINE.

Software features

The Bilko tutorial covers most of the software features. Additional lessons for more recent features are available from the links below.