The world 's first 100-kHz airborne laser terrain mapper, the ALTM 3100 offers laser pulse rates as high as 100 khz at 1100 m altitude, producing elevation data of unparalleled density and unprecedented low cost per posting. Additionally, the system can fly up to 3,500 m with laser pulse rates as high as 33 khz. The DC (digital camera) option features a 4k x 4k integrated metric frame digital camera for geo-referenced (XYZ)color or color-IR images with sub-pixel accuracy.

Source: Optech, Feb. 1, 2005