Каталог геомагнитных пульсаций : материалы наблюдений Полярного геофизического института за 1980-1983 гг. : оперативно-информационный материал.

6 p r e f a c e A s e r i e s c o n t in u e s t o be p u b lis h e d on the geomagnetic pulsations performed i n th e P o la r G eop h y sica l I n s t i t u t e of the USSR Academy of S c ie n c e s Kola S c ie n c e C e n tr e . The g iv e n "Catalogue" presents experimental data for the p e r io d from 19Ѳ0 t o 1 983. The d a ta were obtained by the staff of the Lo- vozero Ob serva tory (lf ■ 6 7 ° 5 9 ' , Л - 3 5 ° 0 5 ' , IP .» 6 3 .7 1 ° , ^ = 1 1 5 ,0 ° , L» 5 ,1 8 ) Ч'Л M headed by V .P .S e l iv a n o v . The d a ta were p r o c e s s e d by the coworkers of the i n s t i t u t e Shcherbakova G.N. and A fan a a jev a L.T. For publication the data were p repared by Go lub tso va N . V ., Shcherbakova G .N ., Sychova V .A ., Fedotova K . I . , A fan a a je v a M.S. The r e c o r d in g was made w ith th e h e lp o f a three-compouent in d u c t io n ma gn itograph , whose s e n s i t i v i t y and amp litud e - frequ en cy c h a r a c t e r i s t i c s are g iv e n i n P i g . 1. The p u l s a t i o n o l a s s i f i o a t i o n was used adopted a t the 2-d General S c i e n t i f i c Assembly o f th e I n t e r n a t i o n a l A s s o c i a t i o n o f Magnetism and A ero- nomie i n 1973 i n Kyoto (J a p a n ). B e s i d e s , w it h i n th e Fi1 range t h e r e have be en d i s t i n g u i s h e d a s an ind ep end en t c l a s s o f p u l s a t i o n s P i 1B ( p u l s a t i o n s i r - r e g u l a r i e t e s b u r s t ) , P i 1C ( p u l s a t i o n s i r r e g u l a r i e t e s c o n s t ) , IPDP ( i r r e g u l a - r i e t e s p u l s a t i o n s d em in ish in e d p e r i o d ) . P u l s a t i o n s o f Pc6 and P i3 ty p e s were not s i n g l e d o u t. Table 1 b e s i d e s th e p e r io d l i m i t s f o r each typ e g i v e s an am p l i t u d e range (app rox imate l i m i t s ) , th e g e n e r a t i o n time and th e frequ en cy spectruni c h a r a c t e r i s t i c s . The d i s t r i b u t i o n o f th e number o f e v e n t s o f app er- ance (N) o f a l l ty p e s o f p u l s a t i o n s i n th r e e c y c l e s ( 1 9 , 20, 21 ) o f th e So l a r a c t i v i t y may be s e e n i n P i g . 2. The d a t a p u b lis h e d b e lo n g to th e y e a r o f maximum (1 9 8 0 ) and th e phase o f d e c r e a s e (1 9 8 1 -1 9 8 3 ) o f _th e 2 1 - s t c y c l e o f th e S o la r a c t i v i t y . The e x p e r im e n ta l d a ta a re p r e s e n t e d a s t a b l e s o f i n t e r v a l s o f p u l s a t i o n s . Each t a b l e has: 1 - d a t a , 2 - t h e time o f th e o n s e t , 3 - o f the end o f o s c i l l a t i o n s w it h a o cu ra cy up to a m inute (tim e UT), 4 - p u l s a t i o n ty p e , 5 -o s fc i- l l a t i o n i n t e n s i t y i n c a t a g o r i e s А, В, С and mixed (А- v e r y i n t e n s i v e , В- d i s t i n c t l y ob served l e s s i n t e n s i v e , С- l o w i n t e n s i v e , d o u b t f u l ) . For t h e s e y e a r s no measurement o f m id d le -p e r io d p u l s a t i o n s were made* For th e l a t i t u d e o f s t . Lovozero su c h p e r io d s a re ty p ic a l^ T P c 1 * 2 . 5 s ; Po2-8s(8-1OUT) and 5 s ( 12-16UT); Гс3 »2 5-3 5в і P c4»60-80s5 P c 5 -2 0 0 -3 0 0 s» P iB « 5 -1 0 s; P i2 - 7 0 - 1 0 0 s j P iC - 6 - 8 s . Next p u b l i c a t i o n s w i l l g i v e graphs o f d iu r n a l co u r se o f th e number o f e v e n t s and p u l s a t i o n p e r i o d s .