- ey . desire’ vertionl angle over all of the operating frequency range fron 1 to 23 megacycles, The trananitting an’ receiving antennas and the ground plane vere in mutual perpendicular planes vith the plane of the tranemitting antenna oriented 53 degrees to the east of magnetic north. lenosphere recorder site (C-97 aircraft) Same ae for Rongerik and Xuseie, exoept that a C-3 ionosphere recorder wes used, This recorder is the same as the C-2, except for a fev modifications and improvements. The trenamitting antenne in the C-°7 was a single vire delta fastened to the lateral extremities of the tail assembly. QFERATION Kuseie: Routine operation until H-15 minutes; thence once per minute until HB + 22 minutes: thence twice per minute, alternating the receiving and transmitting antennas at the end of each 15 secord eveep, until approximately A + 9° minutes; thence once per minute until H + 8 hours; thence routine, Rongerik: Routine until H-15 minutes, thence once per nimute until H¢ 6 beurss thenoe routine, C-97 Airborne Station: Thies station succesefully participated ir this test ap! sore data were obtained. Recorded data for this station has pot been available for review at the time of this vriting dus to the planes return to Hickan AFB for maintenance, SESULTS All stations operated successfully for this shot, Kusaie: At H + 17 observe? during pimites a pronounced disturbance, sirilar to tint (Cherokee) and Yai), was observed ir ht of the the F region apparently moving towards Reate at about the heig BEST AVAILADLE SUP4 me ee OD - O- wm | . ay

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