What that weird NPCU is for

OK, I can now finally let the cat outta the bag on this dual-domed NPCU I photographed up at the Amtrak Rensselaer shops.

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ABC’s Good Morning America show is doing a live broadcast from the rails on a nation-wide tour that is starting in Albany, then heading east into Massachusetts. Here’s the official word from ABC on the train. No, they aren’t vents, or observatory domes, or airbags for an unforeseen derailment, just radomes to protect the satellite gear’s antennae while moving.