A late August tour of the La Mirada transmitter site tour sponsored by SBE Chapter 47 brought together an impressive collection of veteran chief engineers, including Marvin Collins, now 90, who was Chief Engineer of KFI (AM) 640 between 1976 and 2000, along with current CE Doug Irwin.

The iHeartMedia crew maintains impressive redundancy, including three capable transmitters, two independent antennas, electric generator, and standby studio.