HEIGHT MEASUREMENTS OF OI(557.7 NM) GRAVITY-WAVE STRUCTURE OVER THE HAWAIIAN-ISLANDS DURING ALOHA-93

During the ALOHA-93 campaign simultaneous observations of gravity wave structure in the OI(557.7 nm) nightglow emission were made using two all-sky CCD imagers; one located near the summit of Haleakala Crater, Maui and the other at Mauna Loa Observatory, Hawaii. On 19 October a s et of bright, planar, monochromatic waves was imaged by both systems a s it progressed rapidly over the Hawaiian Islands. Triangulation on th ese wave forms indicates a mean altitude of 95 +/- 2 km in good agreem ent with previous rocket soundings at mid-latitudes. Two methods of tr iangulation were employed, both achieving similar results.