SOME JOHNSTON ATOLL F &S NO. 01039 USER TC SCIENTIFIC TITLE Riometer Station - Subtask A628 STRUCTURE FACILITY NO. SCIENTIFIC STATION NO. None 91-3-21 Bop GO+135 FOD GO+135 FUNDING AGENCY ($000) DASA/ PRE-GO RDT&E Prior Cost ENGR PROC 1.5 TOTAL FURN 1.5 EAO 1106+ POST-GO 4101-61 Estimate 5/65 TOTAL CONST 1.5 15.0 15.0 15.0 16.5 PRIOR YEARS ENGINEERING Completed. Drawings: 91-3-21-Cl 91-3-21-E] POST -GO PROCUREMENT To be accomplished. CONSTRUCTION The riometer station will consist of a 30-ft. guyed mast for 30and 90 mc oblique antennas, a 30 mc riometer ring array, a 90 mc riometer ring, a 10 x 30-ft. van with a 90 mc rotating antenna, anda 10 x 40-ft. van, all of which will be TC furnished and located inside of a 170 x 190~ft. cleared area. ‘The facility will require 10 kw of 120/208 volt, 60 cycle, 3 phase electrical power. 1-45 VOL I April 1969