According to a Russian Defense Ministry spokesman who spoke to the Izvestiya newspaper, “At the present time, the tests of the item have been completed and the system has been accepted into the inventory.” Dubbed Pole-21, these missile jammers can be mounted onto cellphone towers and given the spread of cellphone towers, the end result could be a dome-like defense system that can cover entire regions and protect it from satellite navigation signals.
However it should be noted that the US already has cruise missiles like the Tomahawk which has been designed specifically to counteract against GPS jammers, meaning that it is unclear as to how effective this setup will be, but Russian military analyst Anton Lavrov seems to think it will be good enough.
According to Lavrov, “The transmission of an elementary signal from a satellite lies at the foundation of all satellite navigation systems. Therefore, the slightest deviation from the designated frequency even for milliseconds will result in a loss of accuracy.”
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