00000nz  a2200000n  4500
001  KSH1998039098
005  20021022000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a이온층 폭풍[--層暴風]▲
550  ▼wg▼a이온층 교란[--層攪亂]▲