Why was the frequency channel used by the GLONASS shifted down after 2005?(a) Political issue(b) Less power requirements(c) Avoid future MSS interference(d) Reduce atmospheric interferenceI have been asked this question during an interview.I'm obligated to ask this question of Global Orbiting Navigational Satellite System in portion Satellite Radio Navigation& Inertial Navigation of Avionics

Why was the frequency channel used by the GLONASS shifted down after 2

1.	Why was the frequency channel used by the GLONASS shifted down after 2005?(a) Political issue(b) Less power requirements(c) Avoid future MSS interference(d) Reduce atmospheric interferenceI have been asked this question during an interview.I'm obligated to ask this question of Global Orbiting Navigational Satellite System in portion Satellite Radio Navigation& Inertial Navigation of Avionics
Answer» CORRECT answer is (C) Avoid future MSS interference To EXPLAIN I would say: The Frequency of the GLONASS channel was shifted down in 2005. This shift down in frequency is to avoid interference from future Mobile Satellite SERVICES.

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