We use a secure credit card server that encrypts sensitive information passed from the user's browser to our Web server. Although these data have been processed successfully on a computer system at the USGS, no warranty expressed or implied is made by the USGS regarding the use of the data on any other system, nor does the act of distribution constitute any such warranty. The USGS will warrant the delivery of this product in computer-readable format and will offer appropriate adjustment of credit when the product is determined unreadable by correctly adjusted computer input peripherals, or when the physical medium is delivered in damaged condition. Requests for adjustment of credit must be made within 60 days from the date of this shipment from the order site. Browse files have a HDF JPEG compression.
Tapes are only available in high-density mode.
They will be created with the UNIX utility Tar. The data are not radiometrically corrected, the pixels are not resampled or geometrically registered to an Earth location. The L1R product is a radiometrically corrected image. Radiometric correction is performed using either gains in the Calibration Parameter File or gains computed on the fly from the Internal Calibrator. The choice is available to a user when the product is ordered.