- founded in 1943, electronics research, inc. delivers high quality, innovative, integrated solutions to broadcasters across the u.s. and around the world. our dedicated staff of engineers, designers, fabricators, and project managers take pride in contributing to your success by providing the industry’s best radio, television, and mobile media broadcast systems including antennas, transmission line, filters/combiners, and towers. in addition to manufacturing the full range of broadcast system components and installation accessories, eri offers a suite of engineering and field services necessary to plan, install, optimize, and maintain your broadcast facility. we are your single source for broadcast solutions.