ASTER data purchased through the LP DAAC have no restrictions on subsequent use, sale, or redistribution regardless of the date of purchase.
Two groups-NASA-funded researchers and affiliated users are provided access to ASTER data at no cost and should contact LP DAAC User Services.
Redistribution of ASTER data obtained at no cost through this NASA agreement is limited by certain restrictions. Researchers and educators may only redistribute these data to other researchers and educators. These data may not be redistributed to the general public or others who do not fit the criteria stated above. Any users not complying with this policy will be billed for all data received at no cost and will be subject to loss of their privilege to obtain any additional ASTER data at no cost.
*NASA-funded researchers receive funds directly from NASA through a grant, contract, or cooperative agreement. Affiliated users fall into one of three categories: