description GLONASS-K1 Overview
GLONASS-K1 is the third generation of Russia's global navigation satellite system, first launched in 2011. Developed by ISS Reshetnev, it represents a significant design shift from previous models by utilizing an unpressurized spacecraft bus, which substantially reduces its overall mass. Operating in medium Earth orbit, the satellite expands the system's capabilities by introducing a third civil navigation signal using code division multiple access (CDMA) technology. These spacecraft provide global positioning and timing services for both Russian military and civilian users.
help GLONASS-K1 FAQ
When was GLONASS-K1 first launched?
The first GLONASS-K1 satellite was launched in 2011. It represented a third-generation design for Russia's GLONASS global navigation satellite system.
Who developed GLONASS-K1?
ISS Reshetnev developed GLONASS-K1. The spacecraft was designed as a successor to the earlier GLONASS-M generation.
What was the major design change in GLONASS-K1?
GLONASS-K1 used an unpressurized spacecraft bus instead of the pressurized architecture used by earlier generations. That change reduced structural complexity and supported a lighter satellite design.
What is GLONASS-K1 used for?
GLONASS-K1 supports satellite navigation signals used for positioning, navigation, and timing. It forms part of Russia's GLONASS constellation rather than serving as an Earth-imaging or communications satellite.
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