History – Coos County Radio Club

First Gen SigInt Sat Declassified

The NRO has declassified JUMPSEAT, the U.S.’s first-generation signals-collection satellite, which operated from 1971 to 1987. Developed under Project EARPOP, it collected critical electronic emissions and intelligence during the Cold War. The data supported national security agencies, showcasing the NRO’s ongoing commitment to innovation in space for national safety.

History of Phonetics

Prior to World War I and the development and widespread adoption of two-way radio that supported voice, wire telephone spelling alphabets were developed to improve communication on low-quality and long-distance telephone circuits. Bell Systems lead the way. In June 1915 the world’s first air-to-ground voice transmission took place at Brooklands (England) over about 20miles (ground-to-airContinue reading “History of Phonetics”