Not an Ice Cream Truck
![The RFI van in Green Bank](https://public.nrao.edu/wp-content/uploads/2013/09/gallery-images-largeGB81_19236_van_e_large.jpg)
The RFI van, affectionately known as the Ice Cream Truck, with its enormous antenna raised to collect radio frequency interference in the surrounding countryside. Photo taken in October 1981.
Credit: NRAO/AUI/NSF
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