Workers dug out deep concrete bases to secure the towers under the guidance of the engineer J. L. Miller. Constructed of steel, the station cost $300,000 to build. KGH used synchronous rotary spark gap transmitters. A 3 kW set for close ships and a 5 kW transmitter for ships far out at sea. A receiving set was installed on top of "The Board of Trade" building in Portland, Oregon. Transmission lines were placed between the Hillsboro transmitter site and Federal's Portland offices.