Calibration Targets 5: Around the World

This is part of a series on calibration targets. Today we are having a look at various calibration targets around the world. We start in India at the Shadnagar campus of the National Remote Sensing … [Read more...]

Calibration Targets 4: USA

This is the fourth in our series on calibration targets. Today we are having a look at a number of locations around the USA. The first is this interesting pattern at Fort Huachuca, Arizona: We came … [Read more...]

Calibration Targets 3: China

This is the third in our series on calibration targets. Note that such targets are used for both satellite imagery as well as imagery captured from aircraft. Today we are looking at some calibration … [Read more...]

Calibration Targets 2: Edwards Air Force Base

A few weeks ago we had a look at some calibration targets used by the classified Corona spy satellites. Today we are looking at a set of calibration targets and other interesting features at Edwards … [Read more...]

Calibration marks for a classified spy mission

We recently came across this interesting article about some mysterious crosses in the Arizona desert around Casa Grande. Also see here. Apparently the crosses were used as calibration targets for the … [Read more...]