| AN/URR-64(V)2  | Components (top to bottom) TN-512/URR tuner TD-915/URR demultiplexer O-1511/URR freq synthesizer | manual download | -- | 
| TN-512/URR Tuner (TMC HFR-4) | |||
| relays inside antenna input enclosure | |||
| typical module | tuning with variable inductors (top) | tuning with variable inductors (bottom) | |
| TD-915/URR 4ISB demultiplexer (TMC MSA-4) | |||
| switches with mounts for Ledex rotary solenoids in remote
      control version | |||
| typical module | typical module | switch showing mount for Ledex rotary solenoid in remote
      control version | -- | 
| O-1511/URR frequency synthesizer (TMC HFS-4) | |||
| top - plug-in modules | bottom - wiring | co-ax wiring | |
| 100kc selector - showing holes in shield for test points and adjustments | 100kc selector | TMC Waverly plant test stamp | -- | 
| mixer - showing holes in shield for test points and adjustments | mixer | modification add-on | -- | 
| decade switches - RHS of PC board | decade switches - LHS of PC Board | 1 mc selector | -- |