If a test on the highways of Buffalo, N.Y., is any indication, broadcasters may be able to use their digital television (DTV) spectrum to reach mobile and portable devices. That's the word from Sinclair Broadcast Group, Samsung Electronics and transmitter manufacturer Rohde & Schwarz, which teamed up to put mobile reception to a tough test. The trio tried out anew transmission technology, called Advanced-Vestigial Side-Band (A-VSB), that they'd like to see added to the Advanced Television Systems Committee (ATSC) digital-TV standard. The informal field tests demonstrated the successful reception of an A-VSB broadcast at highway speed, as Samsung engineers drove a minivan outfitted with special receive-and-display equipment.
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