Order MODTRAN® search HOME About MODTRAN® Features FAQ MODTRAN® Web App Order Add-ons MODTRAN® software can be downloaded from our web site Contact SSI to get the software, and to receive email updates when updated software is available. PC (64 or 32 bit), Mac (64 bit only), and UNIX/Linux executables are available. The software package also includes a Java GUI, test cases, user's manual, API documentation, and the Algorithm Theoretical Basis document. Users can obtain one or more versions (PC/Mac/Unix) for a single site. MODTRAN® is also available on DVD for an additional charge. Educators and students are also eligible for reduced pricing. See Price List. To order MODTRAN® software: Commercial and Educational Users must read and sign an End User License Agreement (EULA) found here. To order MODTRAN®, contact us. The Price List for MODTRAN® licensing and maintenance options can be found below. US Government employees: To order MODTRAN®, contact us. Please read the Terms of Government Purpose Use. US Government Contractors working on a US Government contract that requires the use of MODTRAN®: Evidence* of an existing US Government Contract requiring MODTRAN® is required. Contractors must read and sign an End User License Agreement (EULA). To order MODTRAN®, contact us. The software is provided to Government Purpose users royalty free. However, an annual maintenance charge is levied, effective January 1, 2017. Contractors whose valid US Government contracts have expired must purchase MODTRAN® at the retail price in order to continue use, or contact us to provide a new contract instrument. *A copy of the contract cover page or a letter from the contractor's administrator verifying the contractual need for MODTRAN® is sufficient evidence. Price List MODTRAN Price List (USD) Government Purpose Commercial Educational MODTRAN v6.0 Software with GUI and Aerosol Models (Includes 1 Year Maintenance) 800 2500 1800 Atmosphere Generation Toolkit 200 200 200 Annual Maintenance 800 800 640 Annual Production Use Fee* 0.1 to 1 terabytes/year data processed 500 1500 1000 Unlimited data processed 1000 3000 1500 DVD US Shipping and Handling 50 DVD International Shipping 100 * The ‘Production Use Fee’ is applied when the purpose is to sell or widely distribute processed spectral data or data products that have been improved using MODTRAN data products. The fee is calculated based on the amount of processed spectral data (measured in bytes per year) to be sold or distributed. Additional technical support and site licenses are available. Contact Spectral Sciences, Inc. Price does not include sales tax. Sales tax will be charged where applicable. Prices are subject to change without notice. Contact Information Orders, customer support, and inquiries: Email Here (Subject Line: MODTRAN) Technical support: Email: modtran@spectral.com Phone: +1 (781) 273-4770 Fax: +1 (781) 270-1161 Online: modtran.spectral.com Copyright© 2016 Spectral Sciences Inc. All rights reserved. The MODTRAN® trademark is being used with the express permission of the owner, the United States of America, as represented by the United States Air Force.