1.   But the high capital cost problem that prevented the installation of the relay towers has turned into an operating cost problem.

2.   Building a nationwide system around one of the systems requires a massive investment in FCC licenses, cellular relay towers, and other hardware.

3.   High on Ice Caves Mountain, the only electrical equipment on hand was a small forest of cellular telephone relay towers that sprouted from the pines.

4.   Take, for example, a recent request for bids to construct three microwave relay towers for Petroleos Mexicanos, the huge Mexican oil monopoly widely known as Pemex.

5.   The alliance also increased the pressure on the Milosevic government by stepping up strikes on electrical transmission systems and radio relay towers in the heart of Serbia.

6.   They targeted radio relay towers, ammo dumps and field forces from Kosovo northward into Serbia proper.

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

8.   A relay tower there provides phone links for Serbs both in Serbia and Bosnia and the rest of the world.

9.   A TV relay tower was also targeted there, state media said.

10.   Among the targets reportedly hit are a radio relay tower and an airport outside Pristina, and a railway depot in a town west of the provincial capital.