First GPS Signal Received in Iowa
July 19th, 1977
July 19th, 1977
How Long Ago?
47 years, 7 months, 24 days ago
Location
Cedar Rapids, Iowa, USA
Category
Science & Technology
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First GPS Signal Received in Iowa
On July 19, 1977, the first Global Positioning System (GPS) signal was successfully transmitted. The signal originated from Navigation Technology Satellite 2 (NTS-2) and was received at the Rockwell Collins facility in Cedar Rapids, Iowa, at precisely 12:41 a.m. Eastern Time. This groundbreaking achievement marked a significant milestone in satellite navigation, showcasing the technological advancements being made during the 1970s. The successful transmission and reception of the GPS signal laid the groundwork for future developments in navigation systems that would eventually become ubiquitous in everyday technology.
NTS-2 was an experimental navigation satellite.
Signal received at 12:41 a.m. Eastern Time.
Laid groundwork for modern GPS technology.
Showcased advancements in space navigation.
What Happened?
The transmission of the world's first Global Positioning System (GPS) signal is a landmark achievement in the field of satellite navigation. On this occasion, Navigation Technology Satellite 2 (NTS-2) transmitted the signal, which was received by engineers and technicians at Rockwell Collins in Cedar Rapids, Iowa. This successful signal transmission and reception occurred promptly at 12:41 a.m. Eastern Time. NTS-2 was part of a series of experimental satellites launched by the U.S. Department of Defense to test satellite-based navigation technology that would later be essential for both military and civilian applications.
The development of GPS was the result of collaborative efforts by various organizations, including the U.S. Air Force and private aerospace companies. The technology was aimed at providing reliable position information to both military and civilian users. The successful transmission from NTS-2 not only demonstrated the technical feasibility of satellite navigation but also set the stage for the future constellation of GPS satellites that would enhance personal and commercial navigation tools.
The significance of this signal transmission extended beyond mere signal testing. It demonstrated the practical applications of space technology for everyday navigation, revolutionizing how people and industries would operate. Over the decades, the sophisticated GPS technologies evolved, leading to various implementations in sectors like transportation, telecommunications, and emergency services. The initial achievement in Cedar Rapids, Iowa, remains a pivotal moment in the evolution of navigational systems, influencing countless innovations and convenience in the modern world.
Why Does it Matter?
The successful broadcasting of the first GPS signal was a pivotal moment that revolutionized navigation technologies worldwide. This advancement highlighted the potential of satellite systems to offer accurate positioning and timing information, making it possible for various applications ranging from aviation to personal navigation devices. The implications of GPS technology have since reshaped urban planning, transportation efficiency, and emergency response.
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