FIRM NO. Al (A j sraelease . aN ae @ Nee 0 DATE FRG A Approved For Release B7RO, ELT: RY USSR CODE | COUNT OL LOCATION ray | CHART |ACTIVITY CODES i PL. NO. s/T NAME OF INSTALLATION 7 NY a ‘ Yo a OB! Vere: a rrr | [ CONTROL NO. SOURCE PL 30 NOV 62 SOV-BLOC RSCH IN GEOPHYSICS, AS SOVIETS BUILD NEW ASTRONOMICAL OBSERVATORIES ee eee eee A Siberian scientific station for observations of the solar corona is pene organized in a mountainous region southwest of Irkutsk. The opservatory eing constructed near Tartu has been assigned the role of central astronomica institution for the Baltic republics. (Complete translation: "New Astronomical Stations", unsigned;| Kishinev, Sovetskaya Moldaviya, 25 August 1962, p. 1) mo Aol Uy DQ a Aas sinevige2 FBR 23689 - | 8/035/61/000/004/013/058 . AQO1/A101 $,/200 | | AUTHOR: Nadeyev, L. N, a TITLE s On the work of the Irkutsk Laboratory of Time and Frequency of BHVWA®T PY (VNIIFTRI) in 1955-1957 PERIODICAL: Referativnyy zhurnal, Astronomiya i Geodeziya, no. 4, 1961, 16; abstract 4A206 ("Tr, l4-y Astrometr, konferentsii SSSR, 1958", Moscow-Leningrad, AN SSSR, 1960, 86-87, Discus. 87; Engl, summary) TEXT 3 Astronomical determinations of clock correotions are performed with two transit instruments (4 observers), The chain method of observations ‘is - employed to detect errers in direct ascensions of the FK3 catalogue (R) of the form Avy), Time keeping is conducted by means of a pendulum clock (root=mean- square variation of diurnal run was confined within 2 mseg) and-a KW=1 (KI=1)- quartz clock (variations of diurnal run are of the order.of +0,4 to -0:5 msec), A synchroscope with a phasing motor is employed for reception of second signals, Errors in recording signals became less than O.1 msec, 19 déliveries of second signals are controlled, as well as 3 transmissions of vhythmieal signals and 10 transmissions of the new type signals (from stations of frequency standard) and imam -ifry 23689 On the work of the Irkutsk Laboratory sae 1003 7AooO00/008/013/058 | the PET (Rep) station - 7 transmissions Per day, A table of data is which characterizes activity o presented . f the Laboratory from-1955 to 1957, : AL Naumova [Abstractor's note: Complete translation] Card 2/2 Approved For Release 2002/05/17 : CIA-RDP96-00787R000500130078-0
PM. $/210/62/000/011/001/001 \ E032/E414 _ Ste {. | Yyoy 7. 6), 2 Alf 22 a, | [nese snr oe fo 1945 "Approved For Relgase moos PIE | _ AUTHOR: _ ‘Vinogradov, P.A. TITLE: Beat~type oscillations in the electromagnetic field of the earth (according to observations in Irkutsk) ''. PERIODICAL: Geologiya i geofizika, no.1l, 1962, 114-124. TEXT: Regular observations of. PP-oscillations were begun at ae ~, Irkutsk in August 1957. The present paper reports results obtained. : @$ a result of four years of observations, The PP-oscillations 5 have the form of beats, The most frequently encountered ae . repetition frequency of these beats was found to be 0.3 to O.1 cps, ‘The most frequently encountered frequency.of the "carrier" was nS found to correspond to a period of 0.6 to 1.0 sec, Finally, the ™ y maximum amplitude of the resultant oscillation was found to lie oy . between 0.05. and 2.5 mV/km, but the most frequently encountered See. values were in the range 0.15 to 0.60 mV/km. A study was also ‘made of the diurnal variations in the frequency of appearance of = -. the PP-oscillations, the diurnal variation in their intensity and... ' the. seasonal distribution, A further study’ was concerned with _ os changes in the ionosphere during PP-oscillations and their - Pie in geographical distribution, A survey of the results obtained at Card 1/2 - — . | ——“S75767 a, _ Beat-type Oscillations een BOsa/eb a4 O0/ O11/001 /oo1 creator atserent erations shows ‘that for Seomagnetic latitudes : | than - @€ mean monthly repetition fre uenc a ~ PProscillations is given by the empirical formule n 2 25.8 + 0 15 bots ere » -is the Seoilla netic latitude," rz is noted that the ° “ : e results now reported are only preliminary, There are 6 figures = 9 -— | ASSOCIATION: Sibirskiy institut zemnogo magnetizma, ionosfery i. po os oF Terrestrial Magnetism, Ionosphere and the vs _ Propagation of Radio Waves, Irkutsk) |. SUBMITTED:  Oetober 27, 1961. Phe ree | ty oe CLASSIFICATION FIRM NO. ~ PROCESS A RA/64IAR CLASSIFIED Q'8 MAR 1963p CODE COUNTRY Ps AF CHART [ACTIVITY copes — . 492 USSR / (~] > "| ewww sy L n . = eal « LISTING BY MAME i Snbae : m tt UTYT BeMHOTO Mar- Siberian Institute of Terrestrial cee huOME) MoHoetepe “” pacirpo- Magnetism, Ionosphere and Radio CTPaHeHhs pagwopoan (Cu6. M3MMP) Wave Propagation (Sib. IZMIR) [of [Cu6upexoro oTfetenua Akaqemus the Siberian Department of the HayK CCCP] Academy of Sciences USSR] 1960 location: Irkutsk re WpKytTcK Approved For Release 2002/05/17 : CIA-RDP96-00787R000500130078-0 FORM USE PREVious 12-60 326a EDITIONS.
SG1A Approved For Release 2002/05/17 : CIA-RDP96-00787R000500130078-0 Approved For Release 2002/05/17 : CIA-RDP96-00787R000500130078-0