April 1969 VOL I 0-6 01042 04097 04067 04084 A963 Scientific Platforms and Photo Pads Subtasks A609, A804, A915, and Modification of Optical Station 12606 91526 91570 01041 93 94 Propagation Antenna Field - Subtasks A602 04053 96619 A603 and A604 Riometer Station - Subtask A628 Interferometer Station - Subtask A601 Transmitter Building and 86-ft. Diameter Radar Dish - Subtask A617 TITLE 01040 04020 01039 12708 1.0. NO. 04019 26 NO. FAC. TC LASL EG&G TC TC TC TC USER AD BH Dw EX HA MF NOST PARTICIPATION NUMERICAL INDEX OF ACTIVEFACILITY NUMBERS AT JOHNSTON ATOLL 01038 01037 F &S NO. STRUC/ TABLE 5-1,