Visit
- - - Visit the Green Bank Science Center
      
      Everything you need to know about visiting Green Bank including our tours, the Exhibit Hall, our Gift Shop, and the Starlight Café.
Education
- - - Educational Programs
      
      In this section you will discover our educational offerings here at Green Bank Observatory. Be part of the science!
- - - Students forming a human pyramid in front of the 40 Foot Educational Telescope
  - - Student Research
    - Radio Astronomer For a Day
  - - Try it at home
    - Field Trips (Day visits)
  - - Outreach
    - Education Resources
  - - Scout Weekends
Science
- - - Science at the Green Bank Observatory
      
      Learn about our scientific programs, meetings and workshops, our staff, and more
Users Portal
- - - Users Portal Page
      
      In this section observers will find information for using our telescopes.
Media
- - - Media and Media Relations
      
      Find news, updates, and information for the media – including information on media visits and public photography on site.
About
- - - About the Green Bank Observatory
      
      Learn more about our history and our facility in the sections below.

GBT

Instruments

Provides a summary of GBT instrumentation

Proposing

Provides information on proposals calls.

Observing

Provides information to observe with the GBT.

Data Processing

Provides information on processing GBT observations.

Data Access

Provides information on data access and the Legacy Archive.

Training

Provides training material for GBT observing.

Past Notifications

Long-standing

Balance failing for PF800

December 22, 2025

The Green Bank Observatory is aware that the AstrID Balance() command is failing for observations using the Prime Focus 800 MHz receiver.
Read more
Long-standing

PF800 noise diodes

December 17, 2025

The noise diodes for PF800 are known to be incorrect.
Read more
Change-info

Change in balance command

November 3, 2025

We have released a change in the behavior of the Balance() command on the GBT.
Read more

View all GBT notifications