Use these links to learn about proposing on 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.

Quick Links

Most Recent Proposal Call – The most recent call for proposals for the Green Bank Telescope (scheduled for release at 13:00, 30 June, 2017)
GBT Proposer’s Guide
Proposal Submission Tool (requires CAS Login credentials)
Sensitivity Calculator (requires CAS Login credentials)
Mapping Calculator
Proposal Review and Time Allocation Process
Past Proposal Calls

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