According to the Federal Communication Commission (FCC),
Russia and other international GNSS service providers
Need to apply for authorization
Before their navigation signals can be legally used in the United States.
In addition, manufacturers are required
To get multi-constellation receivers certified for US use.
When there is a need to strengthen the efforts in the direction
That favors more conducive, compatible and interoperable multi GNSS scenario
Such developments not only strike a chord of discontent
Among various GNSS service providers,
But may also become a stumbling block
In encouraging free and fair usage of GNSS signals.