Use these links to learn about proposing on the Green Bank Telescope:
- The Performance of the GBT: A Guide for Planning Observations 
- GBT Observer’s Guide 
- GBT Sensitivity Calculator , for all proposers, including pulsar proposers
- Calculator User’s Guide  for instructions. The Sensitivity Calculator results can be cut and pasted into the Technical Justification section of the proposal. This will streamline the creation of your Technical Justification and will increase your chances of getting a positive technical review.
- GBT Mapping Calculator tool , for making maps with the GBT
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.
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