OSCAM Air v4 Downloads
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OSCAM Air v4 Downloads

OSCAM Air and associated datasets are only available to authorized users that have taken OSCAM Air training. OSCAM Air is only for use by US government employees and sponsored contractors working on US government programs.

To access OSCAM Air downloads a DoD issued Common Access Card (CAC) and a username and password are required. You will also need a  password for the zip file. These are all provided upon completion of the OSCAM Air training course.

Authorized OSCAM Air users without a CAC card will need to contact the OSCAM Program Office to request files.  You will need to provide details of your government sponsor. Please contact the:

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Follow the steps below to download the model and data.

Step 1: Complete OSCAM Air Training

If you are interested in attending an OSCAM Air training course, please complete one of our training registration forms. Once processed, we will contact you to confirm the date of the next course. Training is limited to those either employed by the US government, or contractors sponsored by the US government.

Register for Training

If you have already taken the training and are a Registered User, go to Step 2 below.

Step 2: Download OSCAM Air

Once you have a username and password, click below to download OSCAM Air v4.1, which will be in the form of a password protected zip file. The files can be unzipped and used directly without needing to be installed. The files can also be copied onto a CD and run directly from the CD.

Note that some PCs will not allow .CHM help files to be run when they have been downloaded from the internet. If this occurs you will see the contents structure in the left pane but will see a "Navigation to the webpage was cancelled" in the right pane. See Unblocking CHM Files for help on resolving this.

Step 3: Download Historical Datasets

The OSCAM Air v4 Historic Databases (derived from VAMOSC data) can be downloaded in password protected zip file format. When the zip file has been downloaded, extract the contents of the zip file to your hard disk into an appropriate directory.

User Guides

The updated OSCAM Air Data Reference and Historical Dataset Guide can be downloaded in PDF format. The guide contains information on the different inputs to the model and insight into how the datasets are produced. Updates reflect changes in methodology utilized in developing the FY14 Datasets.