41. Other parts of the microwave radio band are used for radars, radio navigation systems, sensor systems, and radio astronomy. 42. The SETI ( at ) home project tackles the question by scanning microwave radio signals originating in outer space. 43. An AT & T microwave radio relay tower ( now abandoned ) once provided several jobs for area residents. 44. Deliveries of the microwave radios , which facilitate telecomunications traffic along standard phone lines, began last month, Nokia said Friday. 45. The domestic telephone trunk network is served by microwave radio relay and a domestic satellite system with 40 earth stations. 46. Radar corner reflectors are designed to reflect the microwave radio waves emitted by radar sets back toward the radar antenna. 47. Its use seems to have decreased in recent years with the number of microwave radio drums ( dishes ) declining. 48. Winstar has been using two-way microwave radios to offer business phone and data services in major cities around the country. 49. After the war telephone companies used this technology to build large microwave radio relay networks to carry long distance telephone calls. 50. In November 2011 the Company supplied microwave radio equipment to backhaul Telef�nica UK s O2 4G trial network in London, UK.
