Closeup of some of the metering. Note that coolant conductivity is monitored. Transmitters Overhead view of three 250KW Collins RF Units. Rear view of open back end of Collins RF unit showing tuning cavities. Closeup view of Collins tuning cavity.
Far wall slides forward and backward to change the inductor length.
Storage area for final tubes, type 4CV100000C, for Collins Transmitters. Each weighs 90 lbs. Modulation transformer for Collins 250KW transmitter. Click here to hear what the transformer in this scene sounded like when the photo was taken. You are hearing approximately 15,000 volts of audio swing.