Oil and gas well logging system for evaluating, imaging, and mapping geological formations and boreholes comprising an azimuthal gamma ray tool, ultrasonic caliper and imaging device, directional sensors, and drill bit sensors for measuring bit vibration, weight on bit, and torque on bit

APPARATUS FOR TESTING CELLULAR TELEPHONE TRANSMISSIONS, NAMELY, APPARATUS FOR DETECTING AND IDENTIFYING INTERFERENCE AND SOURCES OF INTERFERENCE WITHIN A DEFINED BAND OF FREQUENCIES