![]() The burst data were compared to theoretical models of wave‐particle interactions. ![]() SuperArcas measurements provided two distinct types of energetic electron precipitation data: one type was continuous on the time scale of > 1 min, and the other was in X ray microbursts created by bursts of energetic electrons stopping in the upper atmosphere with durations < 1 s. This in situ observation of a radio wave traversing a neutral and a plasma environment provided unique data for comparison to theoretical studies of wave propagation. The same detectors were able to monitor a continuous signal from the transmitter through the neutral atmosphere and into the ionosphere. Standing wave patterns in the ionosphere were observed for the first time by wave experiments flown aboard Nike‐Tomahawk rockets. Although the primary objective of both campaigns, the observation of precipitating electrons triggered by the Siple VLF transmitter, was not achieved, significant advancements in understanding upper atmosphere phenomena were made. ![]() The two Antarctic rocket campaigns conducted by American scientists during the past 10 years are described, and the results of these efforts are reviewed. Rocket investigations of electron precipitation and VLF waves in the Antarctic upper atmosphere Rocket investigations of electron precipitation and VLF waves in the Antarctic upper atmosphere ![]()
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