11.   Well, the other day, Frank Kloeppel noticed that the red aircraft warning light was out on the huge microwave transmission tower north of town.

12.   A microwave relay tower for communications, belonging to the Telmex telephone company, is located atop the mountain.

13.   A search team found the wreckage near a mountaintop microwave transmission tower north of San Cristobal de las Casas.

14.   The company also designs and fabricates steel structures for high tension transmission towers, microwave towers and substation structures, as well as provides hot-dip galvanising services.

15.   The civilians were doing maintenance for the Marine Corps on ocean microwave towers that are part of a flight recording system used for tactical aircrew, authorities said.