SCIENTIFIC ABSTRACT ZHDANOVICH, N.S. - ZHEBKO, V.M.

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December 31, 1967
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SCIENTIFIC ABSTRACT
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84582' IN, 8/161/60/002/010/003/051 B019/B070 AUTHORSt Zhdanoviohi No Sol Konopleva7 Ro Pot Ryvkin, S. M. TITLEs Annealing-out of Defects Formed by Gamma Rays in n-Typs Germanium PERIODICALs Fizika tverdogo telat 1,960, Vol. 2, No. 10, pp. 2356-2358 TEM. When the defects produced.in n-type germanium by irradiation with rays are removed by annealing, the decrease shows a nonexponential character, For an explanation of this it is necessary to consider the ,diffusion of the interstitial atoms and vacancies (Refs* 21))s Fig,~l shows the fractionj of the defects removed by annealing as a function of, tures 'of 120p 140, and 1600C, t being the an- t for annealing tempera nealing time. The experimental.values are seen to agree with the theory mentioned in the introduction& Similar results are obtained on bombard- ment by electrons and neutrons. The activation energy for the diffusion of the defects in found to be 1.01 eT, For comparison# analogous values obtained on irradiation with neutrons (1 12 ev) and with electrons (1036 and 1,3 ev) are gi4en (Refd- 1,3,4:5)o Pigs 2 shows as a function Card 1/2 8h582 Annealing-out of Defects Formed by Gamma Rays S/18IJ60/002/010/003/051 in n-Type Germanium. B019/B070 of z (4Dt/T it is found th at the experimental and theoretical 0 2 value sagree well for 0,5,and DO/ro 1.3-109. per second. r0 is$ thust -7 found to be 2,800 .cmg and so somewhat larger than that obtained in the case of neutron bombardment.. Fig, 3 shows that by increasing the rquantum flux the removal of defeots'by annealing is more rapid. The linear part ,of the curve is also reduced In the conclusion it Is stated that the theory of the removal of def;cta by annealing which is confined to dif- fusion is unable to explain some important properties which are possibly .connected with the interaction of defects with other structural per- .turbations. There are 3 figures and 6 referenoess 2 Soviet and 4 US, ASSOCTATIONs Fiziko-tekhnicheskiy institut AN SSSRp Leningrad autitute of Physics and Technology of the AS'USSRO Leningrad) SUBMITTEDs March 17# 1960 Card 2/2 (Copper-Blectrometallura) (Tellurium) *9-A 00 0 Auk~ X&Rballs 164.-A v z Ityabeltilmy. Ana. S~ (iim S. IL) U. JtS3-73(1#Wj.-AaAyflcW -e ded- The brine b of the ftuate type, ow- daft a ~ ins tm winter amuft "Mrabilite is depa4tml in Very top 0 0 amt hm the UU wettr. Metbods d utRiliq tbt ri"Mum 1 400 ~w F.Pv . of McCl, atuf bmmides mv diwummf. U. C. P. A. goo 00 004 -1000 cloo, 0 1 40 goo goo too 7- Sma alt WO u It 0 00 to a IP- a -1K S-W~m n, ~Jtl of 0,44-0.9 0-0 00 0 000 0.100 00 of* 0 6041 06 0 0 0 * * ita *1o O's '* : ALa YESKIN.-V~o-traktorint--(d~-r.V.b~-r'ezovk-a-I Yelovskiy-rayono Fornskayaoblaoti), -rCC-- R. rA 27.37W ( AR 17326---- -SOURCE -CODE z 1OW66 --- ------- AUTHORt Zhdan6vakil N. GItlin.. N. N.; NikolaMkol A. V.; Xoxhus~~,I_-L, TITLFt Jet ignition in an effective means of increasing economy and cozoplatenoos of combustion in automotive engines uorking on gasoline and liquified gas Y SOURCE: Ref'. sh. Dwigateli vnutrennego agoraniyap Abs. 1.39-337 REF SOURCEt Zap. Leningr; a.-kh. in-ta# v. 97p 1965# 161-189 TOPIC TAGSt Ignition, combustion researchp engine Ignition oystem, fuel consumption ~ABSTRACTt Jet i on\\Is gnitiod an effective means of increasing fuel economy.in serial automotive engine working on gasoline and liquified gas. The more active flow of the comb tion pl.-oceoAreaults in decreasing the carbon do content in exhaust us gases$ compared too, spark ignition. This holds true for both gasoline and liquified fuels. ~BUB CODE1 131. 51JBM DAM n6ne L_5~13rd V1 M. AXATOTp-Tevgeniy Ivanovicho. BXLOV, Pavel Kitrofanovich; DOYACIUINKOp 0 04~0~0_0 0 f'0 fe 0 0 Wo Wf~~ 0 04 0 0 0 44 voml, iA I A 0 14 It Or 1$ Ad A it v 4 0 -if a it W '.A A , 0 A- it A 4 'S a Mix 1. we 0 P I Tv go: c now G( ~rwbqd caeor $"a$ on Oil SWO .4"ev '00 AV 1 15. '04 VILWAS" ewcoliall, ad d " from j"tw "Stw4milwad "Itfa with tbq am 41 -as- .00 Cbu. Dim goo so j A, -00 0 0: Le of goo goo goo '00 4*0 Us* k# 0 SUAN IL $goo#* %is Ov tat W *I.* Ali was; A 1 4 -1-1 IINW041111W 10 a 9 0 AV, 00 A 4 . Mw A 0 0 0 0- g 00 0 Vo 0 0 0 0 0 0 0 0 # 0 0 * 0 0 * f 0 0 0.04.0 4 0 0, 0:0 0 is 0 go 0 so s 0 0 0 so a o 9 0 o 0 I jil ~ ; 4 1 , ! mi 11,11 -milli 11111111111110-1 fi 111, 1 Ilt-11" t-~~ --- -, , .. I. . I llilm, .-T t,'Truitirnce of irto,- ul~ ~ee cJt'-J-r"-C Dr, he- oxi4jtu it lij Ac~fob- -~i R"IUMOVSKATAN Z,G*; ;PAN-4USHUNA., S*X* Oxidation of sortitol.to sorbose ImL medium with Inarkaved conces- trations of sorbitol. -Uch*%&P*~8)k*uzv no,216:3846 '56, (MM loo) An A"% r -:~ -- --.- ... - --------- ardbiology. .7:, General xtc~o iology 7, tit S 0 A 0 8 R 4:: NP~`3) .195 �750 _R&z'=vs Z4. Zhdan-Pu!s!h!kin& MA4. Ti e a: Characteristics of:Sorbode-Forming Bacteria, Depending 'on Cultivation, Conditions ~Ori A~Pub Yestn. Leningr. 1956$- --NO 151 lo7-116 -,.--:Abe iact _pawerful~effect on y ::bacterial- 9 --multiplication, dwin- the. initial hours of cultu- re developmeaVand sozimUt L increases the nmabers of bLete- ':-T ta 1a. media ~ aon ining little nutrientj the lag-ophase r io.lengthehed and -the entira,process of propagation ia'very sluggish An exaess.of nutrient substances in the lag-Pha- 012- 1316 is.~ also unfavorable to L bacterial multiplication) "d JL, JyL in the. _fi A& hours of,culture development does the pre- 60ACC OfL~ in reased nutrient substance secure an inerease c -in numbers of bacteria.: An increase in sorbitol concentra- tion, Qj~rd 1/2 -_,6 HU - f L-11 ~~ 11 1 K -LA- - " -1--LN I 711 10 64-6 t a I RIF. -41:0 -!To,: to 6 '11 6f 6 j;0 d 0 j a. 00 A A-J- tie too LW# 19M No, Z "-7.-.Tht sceds 114ve We (r "Waturk &M, Outdo 23,11, o0 407, M-fw extractive matul IOV= fibef IOA ash 04; tivatill oil 0.90. The cawn" 00 IIAS O&POU. " 24.1%. Mid ft 210, "Iff " 22-t 1 11W COW-PITNOW oll ho an exceptionally Ilgh vAst The a .40 i imilartaihatof Unwed all. esscutial oiL- By besting the ad to 110. 1130 It become -40 (M peckneed hearing With the esdusim at ai]r the ad thiava% indicatius its ability Go to =rdlr; , On rapid hnti"4 Within IG-13 min. to WAV it "kens to such an -q- -00 c UWx be powd.. its sh-pant 6 no ' at 320*. The eAl fmalm liquid mm at'vm Im kmpc, At -:H* It tiecomn slightly turbid, It thickens at -400 .00 j i :N hat'Ofts again all, 1. andc"r ot..w~t Its d. Is aox ~ The hxmm of imp. sof 00:13 U 0 097 ROPM no IV) 06 aster no. IMM. tan, 1.43. l'okaske nm I.M sect am0,71.1a Throe mWpolat to the pmvetwe o(lifshly unsold. addi and low emtrut of volatile coo 40 ats. Onw?101 "tid cut M Present. fi4u;d wtft ud. ~r h Omit Pb a The Said adds It I a& 1. "197.6'ML All,"- Ichistht M.P. Otocutectic I mitt cd attaric and palmille 7u Hilt" stids. hexalwomlile OL 17191, crmtalnrd ack, X42% Unolvic add and 13-10% ark edit I The took. .1 i. of the ptem coke *vA bran we". rvap. (it I LM At 1,00 37-117. CAM. N-ft" titvactlyt autity 17-42, IFUO, Abet 16-34, 1A.W. ash TQZ 8.23. The nw oll. when spread on gism dries only In IW bm This slow dr ttlaf, Is due to the fad that The raw oil IS" The ttntlency bi Coalesce an $tat% Pmvvnftv t ortnatimth ithin film Byhestiutbeniito2Uo-MlthliVrAnicy too disappears &M att tlavstic. tlest film m~jults In an ltm Tbcve pemsm, it list VTey kJAL d;rktti* Pnvatk%. H a I - 'LL11 CKAL Wrestler Ct-111 vts~ Sit, S-,,,.r~~ j io,.M -0 s It it -,rlfx iw I i v "U --X Js it IF 61, IN 'a it 0 K q it it 01 A 0:0"'16 L7 0- 0'* 0 * 0 * 0 0 0 0 0 0 * # 0 * 0 0 0 * 0 0 ale 0 -9 0.0 0-0-0-0 -0,0 o__$ 9__j 0 0 0 0 0 9 f 41 0 9 9 fot-,- 0110- 7"Dil 1.06 4110, Ow a is lop 10040 41-W 60 4 4i IS m A 00-4 .-Am ---- -- 00"OS64% AND 9660IRMS 044.0 0 00. no deed of 00 '* .00 ligla" for 1-10 mW. deuvam Um OW Go. 0 Q( the (m adds) asal team" 000 0 km bo4b The ft" "S wid all. U. H. -00 o' s see to 4 40# to WALLOWA& &ITISAILWE CLASSWXAIIC* 11) 414 IPFTW lowliv ;M 2. aft. as( ow 4-9 91 b W . all ~b us AV gon RT 11 " TT it a la 14A 0 1 1 4 Ild 0 0 ; 1 160 : 110001 0 go 0 0 : 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 v 9 O'v 0 0 0 a 0 0 0 a 00 0 0 0 0 0 elf-O 9 00 Ole 00 &*fee i0 -AL 4*9000.041 2 MAI x It It 41 40 0 1 4 1 6 f I q 41 14 Is w V 0 a ILI **,A 1-f B r F r a A JW lit I W.Vt*14, .61. tIL WL-1~h%LhUt Atilt A. A141441YO, *,CAsQ14- kiln C"tot-ou Cakes. IL 'rid 0411a 44 No~ 43, 10 23, 11w plutdas 00 (,4 the vit. of ttw coke) tA mok, "tAwim, 'w#A %4shifi% ,gu Y.14 4,3.~7 .1fick9m 0 Ot ago IGov we* ISO* T4 0 J .0-MiFhef it 44MJ4A 1A Ow 0 a I w u I a a :t a v u III AT 10,01. 1 ~00 1114 ; --~Tmm ---- *16 0*::: 910t 0 0 0 0 0 0 0 0 a 0 0 a 0 0 6 O's a0 0 0 .11 F" S/112/59/000/bl2/090/097 A052/A001 ...~'Translation from: Referativnyy.zhurnal, Elektrotekhnika's 1959, No. 12, pp. 258- -259S 25732 Zhebel'., B.G. TITLE: Rocking Beam.Scarming.and Its Application to Televifd on PERIODICAL: Sb. tr. Leningr. elektrotekhn. in-ta svyazi 1957, No. 2 (32), pp. 29-34 TECT:- Principles andspeolal features of rocking beam scanning are describ- n ed. By complementing the beam.deflectio in horizontal and vertical direction with a longitudinal or lateral swing by means of auxiliary generators of rectangular, sinusoldal and some other.pulses, thb.sharpness,of the image can be improved, the scanning frequency can be reduced,.the time selection of video signals tan be brought about, and so on, Translator,Ia note: This is the full transI.atioInof the original Russian abstract. Card 1/1 '~44 c ---, : t H : I i til I 1111H I 11I i I I I I I m it R, I I I R 11111111 1111fil IN AUTIMRS:Rozenfelid, L~ LOVI OnosovskiTj (Professor), Rharitox Manuyloj .0., Zhebemkoj A~.j and Bakallo, (Envineers). ~-~2~4 he: refri- TITLE: Investigation of the'refripration. eqUiPme--- Or I gerator ship,. "Aktyubinsk"'. (lopytaniye--kholodillnogo oborudovaniya reftizheratormogo sudna,"Aktyubinsk*Y* PERIODICAL: -11Xholodilfaua Tekhnika".. (R-ifrigeration Engineering)p 19577,796M, ,PP~737 -3710, ABSTRACT: The'results are described of tests of a refrigerated Diesel-electric shiploarried out by the Chair of Refrigera- tion Machinery of the-Leningrad Technological Institute in ' - ~The refrig- cooperation with the-team of a Baltic lant. oration machinery was designed by the Katral. Refrigeration, Machinery Design Off ice and manufactured 'by the Moscow "CompressorR,, Works',' The "Aktyubinsk" has a displacement of 10 250 tons and is one of a larger series of refrigerator 'It has 5 refrigerated holds and 5 refrigerated Itween. decks of a useful volume of 6700 0~ enablingtrans- portation of 2700 tons of-frozen or 3350 tons of chilled fish. The refrigerated bolds and Itween decks are subdivi- ded into a fore and anaft group, each of w4oh can operate Card 1/3 at differing temperatures. The cooling of the holds and the.1tween decks is effected by a solution*of calcium chloride'. JnL single stage operation a temperature of -6 C Investigation of-the refrigerat 'ion eqly~ipment of the refrigerator shipj "Aktyubinsk",. (Cont.) 66-2-2/22 can be maintained1n the~holds-and in the-1tween decks whilst in 2-stage-operation a temperature of -18 C can be, maintained so.that itis-possible to'maintain a temperature of ,-6 C in one group of chambers and 1tween-decks and a temperature of -18C in the otherIgrouj. The characteris- tics of the rofrigeration,machinery were established at the test stand of the ".Compre,980rn,works and have been des- oribed in an earlierpaper (1). The results of the tests of the,.refrigerator ship are-discussed Oud summarised in 2 tables..' During, the tests- the entire refrigeration equipment operated satisfactorily, the insulation of the refrigerated holds and stween deaks--is of good quality and operated sat- isfactorily, The adopted 2-stage system is very simple in operation but the author considers JA advisable to develop a circuit with an intermediate steam extraction applicable for marine use and to compare the respective technical and economic indices. To gain a clearer picture on the correct selection of the,type of refrigeration machinery the applied Card 2/ 32"staoe set MUS-AAC-150 should be compared with a high r. P.M. multi cylinder compressorg both stages being in a single unit'. For marine conditions it may be of interest ..-I- - , . , I , , , , , 37219 S/169/62/000/004/064/103 D228/D302 AUTHORS: Chegor an, NoAst and Zhebko V. y TITLE, Investigating horizontal movements of ionization irregularities in the ionosphere over Khar1kov in the IG.Y period PERIODICAL: Referativnyy zhurnal. Geofizikap no. 4# 1962, 8p ab- stract 4G4'1 (Mezhdunar, geofizo god, Inform. byul.i no. 39 1962, 24-29) TEXT: The results of measur ing the.speed and the directional.dis- tribution of.the drift:of small-scale ionization irregularities :fm:~ the ionosphere's E- and F-regions are given for different seasons of the year in the period from December 1958 to December 1959' The employed apparatus and the program and the method of the obse~va- tions are briefly described# It,is shown that speeds of 70 - 90 m/sec (in winter and autumn) and 40 - 70 m/sec (in spring and summa) are most often encountered,in the ionosphere's ?-region. The,drift direction is east-west# In the ionosphere's E --region the velocity is 60 - 10O.m/sec (in winter' and autumn) and 40 - 80 m/sec (in sum- 30153 -,)9/61/000/003/001/008 9 q1V AITTH".'. ',I Taran', V.I.,,.Zhebko, V.M. 1 1 TWE - The -measurement of..velocities of the drift of hetercCeniiitios in the:E and Fzones of the ionosphere in accordane,,~ with the In- ternational Geophysical Year program SOURCE: Akademiya nauk Ukrayinnlkoyi RSH. Organizat:iiorinyy komitat po provedeniyu Mezhdunarodnogo geofizicheakoro goda. Mezhdunarod - nyy geofizicheskiy god;i informatsionityy byull.etenl, no.3, ls?61i 13-18 T EX~~': T h,~- z e n tpaper Cove'rs the results of experimental. ~irivesLigations of t-he veloci ~i. and directions of the drift of heterogeneities ir. the E and F zoneq iono3nhere. Th 030 investications were carri.~.d outpin accordance wit.-, the propram o? the International Geophycical Yearlin "~' urlkov and cover ~the period -from Aug 24, 1957 to Nov, The measurements were conducted according to a graphical method proposed in'Ref. I (Ref. li Instruction Man- ual, No V, The Ionosph ere, volo 111, The measurement of ionospheric drifts, 1056). Dokuchayev (Ref. 111W. vyssh. uchob. zavediAy, ceriya radio- 10153 s/6oq/6i/m/w3/00 i /7, Th E- M Oa., U rC me it t ol voloci'les.. r -dO3q/DlI? ti kb -it c ho kaya, No 1, 1958):had prev~oualy found that in th~a L oi, n zo-rt of h, t7 i~, region the ionized gas moved a'. the velocity o f thia P~r-,3, in the ..If the velocity of a homograeou iOnIzed maS3 differed noticea-hl~y fro"I t.h t~ wind velocity., In the.presont study of the velo~:ity of th4~- dr-~rt of Ii.eterogeneities, provizion was made for t~i,- r,-cording MP of :-rldill- wavv-3 refl*cted from the ionosphere rit three points an "he earth*j 43urface; the dR*!.ancc- betw~-eri each point v;n* of the ordc-r of one ki o.-3pheric-stntlon transmitter, developed by the Xharlkovnkly 1113titut (KharIkat Polytechnic Institute) and mentionod -in thT- ,A..,.to and B.O. Bondirl (Ref 4: Inform, by"I'Ll. '&=, ";f, 1, ot-.3 was used in these tigations, The re Clec ted n r- -.A inves O'd at three spots located 144 m fr6ra one another., The r(~(11?~ r, "I placed on open land.' Tuned. slingle-lQop rectangular cAl.i ..ere u~jed an r-.--leiving antennaa on the 2.2+Yc bane. a%-1 II -9 Y-C band. A receiver fittsid with an Iectronir: i!~j- r-r"-4- In Ref. 4, tia Well.as a ring ocplnr oporating,on vauuum lub--,a biji-, a n, r;4nary cell-;, were also used. Tho ring o,~aler dQnzcrlb,~,; In tht, Card 30153 8/609/61/000/003/001/008 The measurement of velocities D039/D112 V Parer of N1.114. Bonch-Bruye ich (Ref. 5s Primenaniye elektronnykh lamp v ek!;r,,?r_'--art.a11noy fizike 'he application of electronic tubes in experimen- tal r,'.jy34 Cqj UITTL, 195 str, 505')- 'U to Sune 1-958, the drift in'the F P P region was r,~asured at night, and from June on - at day time. It was found that for the Z reGion the predominant velocity,of the (1rift of. haterogenei tieE; -nas 50-60 m./see and for the, F region - 50-60 and 80-90 m/sec. During the porLod ~_ndeir atudl, the direction of the drift of heterogeneities in the E region was chie"Aly southerly and easterly. From Aug 1957 to Nov 1958t the drift in the F zone.was southerly and easterly) and from Sept to Nov 1956, mainly azisterly. Over the whole piriod of measurements the direction of the dr.-Ift in thc L-e andF zones coincided to a certain degree. The following conclusior3 wu.-P. (Irawnfrom the,raqulta. (1) the difficulties of dotermin- ing the trijo Wght of the drifts maae it difficult to find the main direc- tions of 14,1C, and thoir diurnn1 andseasonal varintional (2) very high solar activi-11;y often caused abnorial phenomena in the iono.3-here which ;Con- siderably cozplicated the analysi Z of processes takinF, place therei (3) the high gradien'. of tho velocit- and direction of the drift according heir-bt, 'Card 3/4 30153 S/609/61/000/003/001/cos The measure-Ae-t of velocitiC3 D059/D112 can lead to a shar-o change o ft I vs, velocityand direction cf the drift even- upon a 3mall chang; of the effective heighti (4) the predominant velocity .- ~he drif'. foT the E r gion was found to be about 50-60 ... Vnee and 0 e ~ 4, nat for the F reg-ion - about 50-60 and 80-90 in/sec. In the Fr,.Pei.-ion the drift was south w-,,jtcrly and easterly, and- in the E reCion - southa:~-ly and easterly. %k Botb authoro express their acknowledgemetit to B.L. Rashcheyev fo-r the ouper- 4- visicn of this research work. There are 12 fieures and 5' rej'erenccs: A+ Soviet-bloc amd.2 non-Soviet-bloc. The two reforepces to publications road as followst Ins' ruction.Manual, No V, Thp III, The zoasurenent of ionospheric drifts, 1956; I.L. Jonc!c? B. a. Setter, Movements 6f ionospheric irregularitir,:~; (i".cervnd neou.,;1y by diffevent mothoas, J. of Atzmo3ph. Terr, rhyv., vol. 10, lqc~7. ASISOCIATT03: Kha'rlkovskiy politekhnicheskiy inatitilt. 01'har'kov Folytechn-r institute). Card 4/4 $16 611000100310031.008 D030Y 1 9 D 12 4UTHORS: Chegoryanj T.A.11hebkof V.M. TITLE: An investigation of the horizontal*aovements Of the ionization haterogeneities in the Ionosphere, conducted over Xhar1kov in- ,the Imternational Geophysical.,00operation period SOURCE: Akademiya nauk Ukrayinelkoyi RSR. Organi2atsionnyy komitet po provedeniyu Mezhdunarodnogo.geofizichoskogo goda. Mezhdunarod- nyy geofiiicheskiy go.~,st, -ififptq~-'~Aonnyy byulletenli nc,33 1961, 24-.29 TEXTt The paper presents results of,measurements of the velocity and direc.-, t1onal distribution of the drift of ionization heter-ogeneities in the E and F regions of the.ionosphere, The results coverthe period from December 1958 to December 1959,and are given forvarious seasons of the year.' 'The inves- tigation was conduoted both at a field laboratory located 85 km from Kharl. kov and at the Kha~rtkovskiy politekhnicheekiy inatitut (Kharlkov Polytechnic Institute). The horizontal drifts were investigated by the method of spaced Card 1/5 30155 3/60gf6l/000/003/003/008 An investigation of the D03901121 antenro All observations were carried out in accordance.with th,_,!~L~proved international program of measuring the drifts in the ionosphere both on,the "regularworld. days", and on other days, The recordings were ,,processed by the method of similar fadings mentioned in the papers of B.N. Mitra (Ref. 1: Statistical. analysis of fading of a single downcoming wave from the-ionosphere, Proc. of the LE.E., 1949, ve 96, pl. 111, 505, and Ref. 2: A Radio Method of Measuring Winds in the Ionosphere, Proc. of the I.E.E., 1949, v. 96, P.' 111, 441.). The ionospheric station used at the field lab- oratory is described by V.I. Taran and V.11, ZhebUo (Ref. it 11Mazhduni%rodnyy. goofitiohookiy god", Inf. byullotan' No 3, Izd-vo A0L-SSR,lF$l) and by V.V. Tolstov and B.G..Bondar'094,48 "Mezhdunarodnyy geofiz,A.!heskiy god", Inf. byulletenf go 1, Izd-vo AN UkrSqp 1958. The ionospheric station used itt the Khar1kov Polytechnic Institute is described by Y.T. Tsymbal (Ref-5: Izvestiya vuzov MVO, "Radiotekhnika", No 2, 1959,.221.). The observations at -the field laboratory.were carried out on a near-gyromapetic frequency, The investigations at the field laboratory were carried out from December 1958 -to December 1959 and were based on 230 recordings for the E region and 383 Card 2/5