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Proposing to Use the GBT

Most Recent Proposal Call

Semester 2024A Call for Proposals (closed 2 August, now under Past Proposal Calls)

Proposal Planning Office Hours

Virtual office hours to ask questions about and get help with the technical aspects of your proposal. Details and registration can be found here.

Proposal Information

Use these links to learn about proposing to use the Green Bank Telescope.

Proposers requesting GBT participation in High Sensitivity Array (HSA), Very Long Baseline Array (VLBA), or Global Millimeter Very Long Baseline Interferometry (GMVA) observations should consult the VLBA, HSA, and GMVA Proposal Call.