Big Ear supplies custom earplugs according to the needs of an individual customer. We provide on-site custom hearing protection services.

With more than 250 active Big Ear Providers throughout North America, fill out the contact form below, and we will get you in contact with the closest Provider near you.

2008年2月17日 · Welcome to the original website of the former Ohio State University Radio Observatory (OSURO), also known as Big Ear. The Observatory was a Kraus-type radio …

Known as Big Ear, the observatory was part of Ohio State University's Search for Extraterrestrial Intelligence (SETI) project. The telescope was designed by John D. Kraus. Construction of the …

Register. Column1. Register Your Big Ear’s; Once you receive your Big Ears, please register them and look at the care instructions. Column2. Caring for Your Big Ear’s

2020年5月2日 · The Big Ear was about the size of three football fields and consisted of an immense metal ground plane with two fence-like reflectors, one fixed and one tiltable. It relied …

2005年8月12日 · The Big Ear radio telescope, dismantled in 1998, was larger than three football fields in size and equivalent in sensitivity to a circular dish 52.5 meters (175 feet) in diameter.

2017年6月8日 · The Wow! signal was a strong, narrow-band radio signal in the frequency range of 1420 MHz discovered in 1977 by radio astronomer Jerry Ehman after reviewing recorded …

2025年2月12日 · Big Ear simplifies music learning and creativity to make it accessible and inclusive! A great introduction to the world of music and much more! Enjoy a music game, …

2008年2月17日 · In late 1997, after almost 40 years of operation, the Ohio State University Radio Observatory, with its "Big Ear" radio telescope, ceased operation. The land on which the …