Browsing by Author "Vazquez, Edilberto"
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Item Open Access First observations of PMSE in Antártica(Ciências espaciais e da atmosfera na Antártica, Transtec Editorial, 1995) Woodman Pollitt, Ronald Francisco; Balsley, Ben B.; Aquino, Freddy; Flores, Luis; Vazquez, Edilberto; Sarango, MartínA 50 Mhz radar, with 25 kW average power, has been installed at the Peruvian base in St. George lsland, Antarcitc. A search far PMSE echoes were made during its first year of operatlon, with negative results. These resutts have already been reported In the literature. Here we report our results during the summer of the second year of operation. This time the observations were made starting earlier, closer to the summer solstice. On this occaslon PMSE have been observed, albeit much weaker that what one would expect based on the Poker Flat radar results at comparable latitudes In the Northern Hemlsphere. The asymmetry, therefore, remains. lt is explained in terms of subtle differences in temperatura in the mesopause region of both polar regions. The potential of the technique to monitor global changes n temperatura is discussed.