DOE ARCHIVES 2k iy srt PE AIRCRAFT SURVEY 2 AIRCRAFT SURVEY 1 Detector Radio Aitimeter Navigator Navigator Altimeter Detector Le Telemeter Converter Control Altitude Compansator Recorder Aircraft Tape Recorder 30 min + --— Playback Recorder Tape X Recorder 30 min "| Playback Recorder Telemeter Converter a Telemeter Converter ["'1 Telemeter Recorder Central Station Figure 2.4 Aerial-survey system. Tolometer Converter Aircraft Recorder Aircraft Position to Central Station Flight Control to Navigator Control Flight Flight Control to Navigator Aireraft Position to Central Station Plot Board Compensator Altitude HWH— Control Radio Radio Radio Surface Radiation Radio Radio Surface Nadtation