Profile: Tech Comm, Inc. designs and manufactures airborne, seaborne and ground-based radio direction finder equipment. It is used by military and intelligence agencies for reconnaissance, surveillance, interception & targeting. We also design and manufacture environmentally hardened DF antennas for use with DF processors. Our DF antenna consists of a goniometer type direction finder system that uses a variety of elements. It may be monopole, dipole, log periodic, annular slot or other beam former. Our standard DF antenna models are typically broadband antennas covering frequencies across the communications bands from HF through UHF.