ea-ADF:cOhtrol head, 4 each•ADF receiyers and 2 each ADF . antennas and ceplaced with,a Collins CTL-62 control head, 2 each CAD-62 control adapter. units..ind. 1 each Dual .ANT608 ADF antenna. This control - head adapter ilia aria antenna is an approved control' device for the Collins ADF-60 system. The o