The Quirky Tales of Green Bank Observatory: Old Cars, Starry Skies, and RFI Battles

This concluding part of a series recounts the unique challenges and triumphs of the National Radio Astronomy Observatory (NRAO) in Green Bank, West Virginia. From its fleet of antique diesel cars, necessary to avoid radio frequency interference (RFI), to its simple teaching telescope used for educational outreach, the story reveals the dedication and ingenuity of NRAO's staff. The article details the intricacies of the observatory's 40-foot telescope, the massive Green Bank Telescope (GBT), and the RFI monitoring station, while highlighting the harmonious relationship cultivated between NRAO and the local community, even amidst historical conflicts and ongoing battles against RFI from various sources, including military aircraft.