Proposing

Current Call for Proposals

  • The Green Bank Observatory (GBO) Call for Proposals for the Semester 2025A
    closed on Wednesday, 31 July at 21:00 UTC.

    Please come back here in early January 2025 for the Semester 2025B Proposal Call information.

Additional Information

Proposer’s Guide (PDF)

Proposal Formatting Guidelines

Proposal Evaluation and Time Allocation Process

Useful Resources

Proposal Submission Tool

Proposal Finder Tool

NRAO science justification LaTeX template

Sensitivity Calculator

Mapping Planner

Previous Calls for Proposals

In the posts below you will find information on previous proposal calls (in reverse-chronological order) including for each semester the proposal call results and a list of the science program.

View all past proposal calls

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