AT&T upgrades GSM network in flag poles

AT&TLifestyle and LeisureCooking
ABC-7's Russel McLyn gets a long shot of the triad of flag poles at the south end of the parking lot with In-N-Out Burger in Glendale on Tuesday, August 16, 2011. AT&T announced improvements they have made to their GSM communications system that use the flag poles as antenna. Tim Berger/Staff Photographer
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