1057 is the top 4 bay, 1075 is the lower 2 bay.
The 1075 Transmitters and 1057 Exciters (Far left).
1075 Main is the BE FM3C.
The aux is a QEI, which came from 95.3 in York Center, ME! (via 103.3 WMXW here in town!)
A better view of the 1075 antenna.