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Please use the form below to send a question to the NASA Global Precipitation Measurement mission team.

Guidelines:

• This form is only intended for questions related to NASA’s Global Precipitation Measurement mission. We do not have the capacity to answer other NASA inquiries or subjects not related to our mission, and these questions will not be responded to. For any other questions, please visit https://www.nasa.gov/contact/
• Please read our FAQ before reaching out to us to check if your question has been answered.
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• When submitting a question about TRMM or GPM data, please include the name of the product / algorithm you are using (e.g. 3B42RT) and the source you downloaded the data from (e.g. the PPS FTP).
• The GPM team cannot grant explicit permission to use NASA media. For questions about permission for using NASA images and videos, please refer to NASA's official Media Usage Guidelines. For any additional questions please email bert.ulrich@nasa.gov and yvette.smith-1@nasa.gov. For questions about using NASA imagery for merchandising please visit NASA's Merchendising Guidelines page or email merchandise@lists.nasa.gov.
• Please do not enter any URLs or hyperlinks into the form. If a URL is necessary, you can send it in a followup email once we respond to your initial request.