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A MEASUREMENT TECHNIQUE FOR LOW FREQUENCIESMURTHY TVR; KRISHNA KLIMAR M.1979; J. PHYS. E; GBR; DA. 1979; VOL. 12; NO 3; PP. 187-188; BIBL. 3 REF.Article

DIGITALER KLANGREGELBAUSTEIN = LA COMMANDE NUMERIQUE DES GRAVES ET DES AIGUSLANGMANN R.1978; RADIO FERNSEHEN ELEKTRON.; DDR; DA. 1978; VOL. 27; NO 11; PP. 701-702Article

RAY TRACING STUDIES FOR THE PLASMAPAUSE SOUNDING FROM A GEOSTATIONARY SATELLITENAKAMURA Y; ONDOH T.1979; J. RADIO RES. LAB.; JPN; DA. 1979; VOL. 26; NO 119; PP. 1-12; BIBL. 8 REF.Article

0 WATT SUPER AUDIO AMPLIFIER USING NEW MOS DEVICES.SAMPEI T; OHASHI S; OCHI S et al.1977; I.E.E.E. TRANS. CONSUMER ELECTRON.; U.S.A.; DA. 1977; VOL. 23; NO 3; PP. 409-417; BIBL. 2 REF.Article

TRAITEMENT DE LA MODULATION EN ONDES KILOMETRIQUES ET HECTOMETRIQUESPETKE G.1979; REV. U.E.R., TECH.; BEL; DA. 1979; NO 178; PP. 267-279; BIBL. 14 REF.Article

ON THE MECHANISM OF REFLECTION OF ELF-LF RADIO WAVES FROM THE LOWER IONOSPHEREHAYAKAWA M; SHIMAKURA S.1978; TRANS. INST. ELECTRON. COMMUNIC. ENGRS JAP.; JPN; DA. 1978; VOL. 61; NO 1; PP. 15-18; BIBL. 18 REF.Article

CIRCUITI INTEGRATI AUDIO DI POTENZA. = CIRCUIT INTEGRE DE PUISSANCE BASSE FREQUENCE1977; ANTENNA; ITAL.; DA. 1977; VOL. 49; NO 4; PP. 134-138Article

EVIDENCE OF AN IONOSPHERIC REFLECTING LAYER BELOW THE CLASSICAL D REGIONRASMUSSEN JE; KOSSEY PA; LEWIS EA et al.1980; J. GEOPHYS. RES.; USA; DA. 1980; VOL. 85; NO A6; PP. 3037-3044; BIBL. 21 REF.Article

INTERPRETATION DES PARTICULARITES DES SPECTRES DES ATMOSPHERIQUES PROCHES DANS UNE APPROXIMATION DIPOLAIRESNEGUROV VS.1980; TRUDY GLAVN. GEOFIZ. OBS. A.I. VOEJKOVA, LENINGRAD; SUN; DA. 1980; NO 401; PP. 76-79; BIBL. 5 REF.Article

A DIGITAL FREQUENCY METER FOR MEASURING LOW FREQUENCIESMATHUR MP.1978; I.E.E.E. TRANS. INSTRUMENT. MEASUR.; USA; DA. 1978; VOL. 27; NO 3; PP. 295-296Article

IONOSPHERIC ELF RADIO SIGNAL GENERATION DUE TO LF AND/OR MF RADIO TRANSMISSIONS. I: EXPERIMENTAL RESULTSCANNON PS.1982; J. ATMOS. TERR. PHYS.; ISSN 0021-9169; GBR; DA. 1982; VOL. 44; NO 10; PP. 819-829; BIBL. 32 REF.Article

LOGARITHMIC AUDIO SWEEP GENERATORAINSLIE AC.1979; WIRELESS WORLD; GBR; DA. 1979; VOL. 85; NO 1525; PP. 42-47Article

PARAMETRES D'UN COMPTEUR LOCAL DE DECHARGES D'ORAGESMAKHOTKIN LG; IN'KOV BK.1977; TRUDY GLAVN. GEOFIZ. OBS. A. I. VOEJKOVA, LENINGRAD; SUN; DA. 1977; NO 350; PP. 32-36; BIBL. 6 REF.Article

ANALYSIS OF THE LOOP-COUPLED LOG-PERIODIC DIPOLE ARRAYTRANQUILLA JM; BALMAIN KG.1983; IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION; ISSN 0018-926X; USA; DA. 1983; VOL. 31; NO 2; PP. 253-260; BIBL. 8 REF.Article

SLEW RATE IMPORTANT FOR AUDIO AMPS.JUNG WG.1977; ELECTRON. DESIGN; U.S.A.; DA. 1977; VOL. 25; NO 11; PP. 172-175; BIBL. 3 REF.Article

ANALYSIS OF MICROSTRIP WRAPAROUND ANTENNAS USING DYADIC GREEN'S FUNCTIONSBARROSO DE ASSIS FONSECA S; GIAROLA AJ.1983; IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION; ISSN 0018-926X; USA; DA. 1983; VOL. 31; NO 2; PP. 248-253; BIBL. 8 REF.Article

TIEFFREQUENZMESSUND MIT U 821 D = MESURE DE FREQUENCES TRES BASSES AU MOYEN DU CALCULATEUR DE POCHE U821DHOFFMEISTER M.1982; RADIO FERNSEHEN ELEKTRONIK; ISSN 0033-7900; DDR; DA. 1982; VOL. 31; NO 9; PP. 589-591; BIBL. 3 REF.Article

PREAMPLIFICATEUR BASSES FREQUENCES, FAIBLE BRUITBUCHKOVSKIJ IA; ANDRUSHCHAK MS; RARENKO IM et al.1982; PRIB. TEH. EKSP.; ISSN 0032-8162; SUN; DA. 1982; NO 5; PP. 102; BIBL. 2 REF.Article

0-MHZ FREQUENCY COUNTERCOLBURN J; OWEN B.1979; RADIO ELECTRON.; USA; DA. 1979; VOL. 50; NO 1; PP. 39-90; (6 P.)Article

FREQUENCEMETRE A THYRISTORS AVEC UNE LINEARITE AMELIOREE ET UN COURANT DE SORTIE ACCRUKUL'GAVCHUK VM.1979; PRIBORY TEKH. EKSPER.; SUN; DA. 1979; NO 1; PP. 146-147; BIBL. 3 REF.Article

FREQUENCEMETRES A DISPOSITIF DE DECLENCHEMENT A TRANSISTOR, AVEC UNE PLAGE AMPERE-SECONDE CONSTANTEKUL'GAVCHUK VM.1979; PRIBORY TEKH. EKSPER.; SUN; DA. 1979; NO 1; PP. 147-148; BIBL. 3 REF.Article

DISPOSITIF ANALOGIQUE POUR LA MESURE D'UN DEPLACEMENT RELATIF DE FREQUENCEPROKHORENKOV PA; KOVALEV AM.1980; PRIB. TEH. EKSP.; ISSN 0032-8162; SUN; DA. 1980; NO 2; PP. 137-138; BIBL. 2 REF.Article

SYNTHETISEUR DE FREQUENCES A ELEMENTS A COUCHES MINCESVINYAR VD; KEMPA YA M; KOTLYAROV AV et al.1976; POLUPROVODN. TEKH. MIKROELEKTRON., U.S.S.R.; S.S.S.R.; DA. 1976; NO 24; PP. 31-33; BIBL. 6 REF.Article

PHASEMETRE SANS CONVERSION DE FREQUENCE POUR LA GAMME 20 HZ DIV. ENT 60 MHZFISHTEJN AM.1979; PRIBORY TEKH. EKSPER.; SUN; DA. 1979; NO 3; PP. 137-140; BIBL. 7 REF.Article

CARACTERISTIQUES MAGNETIQUES DYNAMIQUES DE BARRES D'ACIERPOPOV GM; ZATSEPIN NN.1978; VESCI AKAD. NAVUK B.S.S.R., FIZ. TEKH. NAVUK; S.S.S.R.; DA. 1978; NO 1; PP. 83-87; ABS. ANGL.; BIBL. 3 REF.Article

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