Tel-Instrument Electronics Corp (Tel) is a designer and manufacturer of avionics test and measurement solutions for the global commercial air transport, general aviation, and government/military aerospace and defense markets. The Company designs, manufactures and sells instruments to test and measure, and calibrates and repairs a wide range of airborne navigation and communication equipment. Tel�s instruments are used to test navigation and communications equipment installed in aircraft, both on the flight line (ramp testers) and in the maintenance shop (bench testers). Its development of multifunction testers has made it easier for customers to perform ramp tests with less operator training, a fewer number of test sets, and lower product support costs. The Company has become a manufacturer and supplier of IFF (Identification Friend or Foe) flight line test equipment.