Not redundant. One is for an alternate spectrum, infra red or ultra violet etc. Less likely is one is a laser target designator. Third choice is different departments or levels of government looking for different kinds of information at the same time so separate cameras with pan-tilt-zoom capability.
mikesharpe's conversations
Not redundant. One is for an alternate spectrum, infra red or ultra violet etc. Less likely is one is a laser target designator. Third choice is different departments or levels of government looking for different kinds of information at the same time so separate cameras with pan-tilt-zoom capability.
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