[ 1980 ][ 1981 ][ 1982 ][ 1983 ][ 1984 ][ 1985 ][ 1986 ][ 1987 ][ 1988 ][ 1989 ]

1989

[ 1988 ][ 1990 ][ End ]

  1. Derblom, H., B. Thidé, T. B. Leyser, J. A. Nordling, A. Hedberg, P. Stubbe H. Kopka and M. Rietveld, Tromsö Heating Experiments: Stimulated Emission at HF Pump Harmonic and Subharmonic Frequencies, J. Geophys. Res., 94, A8, 10111-10120, 1989.
  2. Leyser, T. B., Stimulated electromagnetic emission in the ionosphere, Doctoral thesis, Uppsala University, IRF Scientific Report 198, 1989.
  3. Leyser, T. B., B. Thidé, H. Derblom, Å. Hedberg, B. Lundborg, P. Stubbe and H. Kopka, Stimulated electromagnetic emission near electron cyclotron harmonics in the ionosphere, Phys. Rev. Lett., 63, 11, 1145-1147, 1989.
  4. Maul, A.-A., Anregung periodischer Magentfeldschwankungen im ULF-Bereich durch Einstrahlung energiereicher Hochfrequenzwellen in die polare Ionosphäre, Doctoral thesis, Universität Göttingen, 1989.
  5. Rietveld, M. T., P. Stubbe , and H. Kopka, On the frequency dependence of ELF/VLF waves produced by modulated ionospheric heating, Radio Sci., 24, 3, 270-278, 1989.
  6. Robinson, T. R., The heating of the high latitude ionosphere by high power radio waves, Physics Reports, 179, 2 & 3, 79-209, 1989.
  7. Robinson, T. R., P. Stubbe, B. Thidé, M. Rietveld and E. Mjolhus, A New Heating Facility for EISCAT: Scientific Case, EISCAT Technical Report, October 1989.
  8. Stocker, A. J., The artificial modification of the ionosphere above Tromsø and Arecibo, Doctoral thesis, University of Leicester, 1989.

1988

[ Top ][ 1987 ][ 1989 ][ End ]

  1. Barr, R., M. T. Rietveld, P. Stubbe, and H. Kopka, Ionospheric heater beam scanning: A realistic model of this mobile source of ELF/VLF radiation, Radio Sci., 23, 3, 379-388, 1988.
  2. Dowden, R. L., Generation of VLF and ELF waves for active probing, J. Geomag. Geoelectr., 40, 1131-1140, 1988.
  3. * Engelhardt, H.-G., über die Beeinflussung der partiellen Reflexion einer schwachen elektromagnetischen Welle durch eine starke, modifizierende Welle im Rahmen der Theorie eines warmen Plasmas, Diplomarbeit, Universität Göttingen, 1988. *
  4. Leyser, T. B., and B. Thidé, Effect of pump-induced density depletions on the spectrum of stimulated electromagnetic emissions, J. Geophys. Res., 93, A8, 8681-8688, 1988.
  5. Nordling, J. A., A. Hedberg, G. Wannberg, T. B. Leyser, H. Derblom, H. J. Opgenoorth, H. Kopka, H. Kohl, P. Stubbe, M. T. Rietveld, and C. LaHoz, Simultaneous bistatic European Incoherent Scatter UHF, 145-MHz radar and stimulated electromagnetic emission observations during HF ionospheric modification, Radio Sci., 23, 5, 809-819, 1988.
  6. Rietveld, M. T., H. Kopka, and P. Stubbe, Pc 1 ionospheric electric field oscillations, Annales Geophysicae, 6, 4, 381-388, 1988.
  7. Robinson, T. R., The excitation of plasma waves and irregularities in the ionosphere by means of high power radio waves, Plasma Phys. Controll. Fusion, 30, 1, 45-56, 1988.
  8. Wilkinson, A., Investigation of heater induced irregularities in the high latitude ionosphere, Doctoral thesis, , University of Leicester, 1988.
  9. Wright, J. W., H. Kopka, and P. Stubbe, A large-scale depletion by intense radio wave heating, Geophys. Res. Lett., 15, 13, 1531-1533, 1988.

1987

[ Top ][ 1986 ][ 1988 ][ End ]

  1. Barr, R., M. T. Rietveld, P. Stubbe, and H. Kopka, Ionospheric heater beam scanning: A mobile source of ELF radiation, Radio Sci., 22, 6, 1073-1083, 1987.
  2. Basu, S., S. Basu, P. Stubbe, H. Kopka, and J. Waaramaa, Daytime scintillations induced by high-power HF waves at Tromsø, Norway, J. Geophys. Res., 92, A10, 11149-11157, 1987.
  3. Hoeg, P., Theoretical and Experimental Evidence of a Thermal Resonance Instability in the E-region of the Ionosphere, Doctoral thesis, , University of Copenhagen , 1987.
  4. Kohl, H., H. Kopka, C. LaHoz, and P. Stubbe, Propagation of artificially excited Langmuir waves in the ionosphere, Radio Sci., 23, 4, 655-661, 1987.
  5. Mauelshagen, H.-P., In der unteren polaren Ionosphäre aktiv erzeugte ELF/VLF-Wellen, Diplomarbeit, , Universität Göttingen, 1987.
  6. Noble, S. T. , F. T. Djuth, R. J. Jost, W. E. Gordon, and Å. Hedberg, Multiple frequency radar observations of high-latitude E region irregularities in the HF modified ionosphere, J. Geophys. Res., 92, A12, 13613-13627, 1987.
  7. Rietveld, M. T., Very low frequency wave experiments using the ionospheric heating facility, in: Proceedings of the EISCAT Annual Review Meeting, Skibotn, Norway, ed P. Collis, 46-53, 1987.
  8. Rietveld, M. T., and P. Stubbe, Ionospheric demodulation of powerful pulsed radio waves: A potential new diagnostic for radars suggested by Tromsø heater results, Radio Sci., 22, 6, 1084-1090, 1987.
  9. Rietveld, M. T., H.-P. Mauelshagen, P. Stubbe, H. Kopka, and E. Nielsen, The Characteristics of Ionospheric Heating-Produced ELF/VLF Waves Over 32 Hours, J. Geophys. Res., 92, A8, 8707-8722, 1987.
  10. Schlegel, K., M. Rietveld, and A. Maul, A modification event of the auroral E region as studied with EISCAT and other diagnostics, Radio Sci., 22, 6, 1063-1072, 1987.
  11. Webster, D. J., B. J. Fraser, M. T. Rietveld, and F. W. Menk, Conjugate effects from ground excitation of ULF waves in the ionosphere, ANARE Research notes 48, The Publications Office, Antarctic Division-Tasmania 7150, 1987.

1986

[ Top ][ 1985 ][ 1987 ][ End ]

  1. Frey, A., The observation of HF-enhanced plasma waves with the EISCAT/UHF-radar in the presence of strong Landau-damping, Geophys. Res. Lett., 13, 5, 438-441, 1986.
  2. Barr, R., P. Stubbe, M. T. Rietveld, and H. Kopka, ELF and VLF Signals Radiated by the ‘Polar Electrojet Antenna’: Experimental Results, J. Geophys. Res., 91, A4, 4451-4459, 1986.
  3. Hanuise, C., Å. Hedberg, J. Oksman, E. Nielsen, P. Stubbe, and H. Kopka, Comparison between the ionospheric plasma drift and the motion of artificially induced irregularities as observed by HF backscatter radars, Annales Geophysicae, 4, A1, 49-54, 1986.
  4. Hedberg, Å, H. Derblom, G. Wannberg, B. Thidé, H. Kopka, and P. Stubbe, Measurements of HF backscatter cross section for striations created by ionospheric heating at different power levels, Radio Sci., 21, 117-125, 1986.
  5. Hoeg, P., E. Nielsen, P. Stubbe, and H. Kopka, Heater-induced 1-meter irregularities, J. Geophys. Res., 91, A10, 11309-11320, 1986.
  6. Hoeg, P., Directional Changes in the Irregularity Drift during Artificial Generation of Striations, Physica Scripta, 33, 469-474, 1986.
  7. Jones, T. B., T. R. Robinson, and P. Stubbe and H. Kopka, EISCAT observations of the heated ionosphere, J. Atmos. Terr. Phys., 48, 1027-1035, 1986.
  8. Rietveld, M. T., H. Kopka, and P. Stubbe, D-region characteristics deduced from pulsed ionospheric heating under auroral electrojet conditions, J. Atmos. Terr. Phys., 48, 4, 311- 326, 1986.

1985

[ Top ][ 1984 ][ 1986 ][ End ]

  1. Barr, R., M. T. Rietveld, P. Stubbe, and H. Kopka, The Diffraction of VLF Radio Waves by a Patch of Ionosphere Illuminated by a Powerful HF Transmitter, J. Geophys. Res., 90, A3, 2861-2875, 1985.
  2. Barr, R., M. T. Rietveld, H. Kopka, P. Stubbe, and E. Nielsen, Extra-low-frequency radiation from the polar electrojet antenna, Nature, 317, 6033, 155-157, 1985.
  3. Djuth, F., R. J. Jost, S. T. Noble, W. E. Gordon, P. Stubbe, H. Kopka E. Nielsen R. Boström H. Derblom Å. Hedberg and B. Thidé, Observations of E-region irregularities generated at auroral latitudes by a high power radio wave, J. Geophys. Res., 90, A12, 12293-12306, 1985.
  4. Djuth, F. T. HF induced radar backscatter, J. Atmos. Terr. Phys., 47, 12, 1225-1243, 1985.
  5. Holt, O., A. Brekke, T. Hansen, H. Kopka, and P. Stubbe, HF modification of the auroral D-region detected by a partial reflection experiment, J. Atmos. Terr. Phys., 47, 6, 537-545, 1985.
  6. Jones, T. B., and T. R. Robinson, The influence of ionospheric heating on the propagation of HF waves at high latitudes, AGARD Conf Proc No. 382, 5-1-1, , 1985.
  7. Lefeuvre, F, J. L. Rauch, V. I. Dee, E. E. Titova, and V. E. Yurov, O. A. Molchanov, M. M. Mogilevsky, O. A. Maltseva, L. V. Zinin, H. Kopka, M. T. Rietveld, P. Stubbe and R. L. Dowden, Detection from Aureol-3 of the modulation of auroral electrojet by HF Heating from ELF signals in the upper ionosphere above Tromsø, Results of the Arcad 3 Project and of the Recent Programmes in Magnetospheric and Ionospheric Physics, Cepedues-Editions, Toulouse, 609-616, 1985.
  8. Rietveld, M. T., Ground and in situ excitation of waves in the ionospheric plasma, J. Atmos. Terr. Phys., 47, 12, 1283-1296, 1985.
  9. Rietveld, M. T., VLF spectrogram on cover, EOS, 66, 38, 0, 1985.
  10. Robinson, T. R., Self-action effects associated with the generation of plasma irregularities during ionospheric modification experiments, J. Atmos. Terr. Phys., 47, 12, 1245-1255, 1985.
  11. Rose, G., B. Grandal, E. Neske, W. Ott, K. Spenner, J. Holtet K. Måseide and J. Trøim, Experimental Results From the HERO Project: In Situ Measurements of Ionospheric Modifications Using Sounding Rockets, J. Geophys. Res, 90, A3, 2851-2860, 1985.
  12. Rycroft, M. J., How to make a long antenna, (“News and views” comment on Barr et al. paper in same issue), Nature, 317, 6033, 114-115, 1985.
  13. * Stecker, J., Verstärkung einer durch starke HF-Wellen induzierten Elektronendichtestörung in der polaren E-Schicht, Doctoral thesis, Universität Göttingen, 1985. *
  14. Stubbe, P., H. Kopka, M. T. Rietveld, A. Frey, and P. Hoeg, H. Kohl, E. Nielsen, G. Rose, C. LaHoz, R. Barr, H. Derblom, A. Hedberg, B. Thide, T. B. Jones, T. Robinson, A. Brekke, T. Hansen and O. Holt, Ionospheric modification experiments with the Tromsø heating facility, J. Atmos. Terr. Phys., 47, 12, 1151-1163, 1985.
  15. Thidé, B., Parametric and related nonlinear wave-wave interactions in the ionosphere, J. Atmos. Terr. Phys., 47, 12, 1257-1265, 1985.

1984

[ Top ][ 1983 ][ 1985 ][ End ]

  1. Barr, R., M. T. Rietveld, H. Kopka, and P. Stubbe, The effect of a heated patch of auroral ionosphere on VLF radio wave propagation, Nature, 309, 5968, 534-536, 1984.
  2. * Barr, R., and P. Stubbe, The ‘polar electrojet antenna’ as a source of ELF radiation in the earth-ionosphere waveguide, J. Atmos. Terr. Phys., 46, 4, 315-320, 1984. *
  3. * Barr, R., and P. Stubbe, ELF and VLF radiation from the ‘polar electrojet antenna’, Radio Sci., 19, 4, 1111-1122, 1984. *
  4. Frey, A., P. Stubbe, and H. Kopka, First experimental evidence of HF produced electron density irregularities in the polar ionosphere diagnosed by UHF radio star scintillations, Geophys. Res. Lett., 11, 5, 523-526, 1984.
  5. Hedberg, Å, B. Thidé, R. Boström, H. Derblom, H. Kopka, and P. Stubbe, First observations of 140-MHz plasma line backscatter during heating experiments at Tromsø, J. Geophys. Res., 89, A12, 11038-11042, 1984.
  6. Henriksen, K., W. Stoffregen, B. Lybekk, and Å. Steen, Photometer and spectrometer search of the oxygen green and red lines during artificial ionospheric heating in the auroral zone, Annales Geophysicae, 2, 1, 73-76, 1984.
  7. James, H. G., R. L. Dowden, M. T. Rietveld, P. Stubbe, and H. Kopka, Simultaneous Observations of ELF waves from an Artificially Modulated Auroral Electrojet in Space and on the Ground, J. Geophys. Res., 89, A3, 1655-1666, 1984.
  8. Jones, T. B., T. R. Robinson, and P. Stubbe and H. Kopka, Frequency dependence of anomalous absorption caused by high power radio waves, J. Atmos. Terr. Phys., 46, 2, 147-153, 1984.
  9. * Krenzien, E., Durch ionosphärische Leitfähigkeitsänderung erzwungene Wellen, Doctoral thesis, Universität Göttingen, 1984. *
  10. * Mjølhus, E. and T. Flaa, Direct access to plasma resonance in  ionospheric radio experiments, J. Geophys. Res., 89, A6, 3921-3928, 1984.
  11. *Rietveld, M. T., R. Barr, H. Kopka, E. Nielsen, P. Stubbe, R. L.li liDowden, Heater Beam Scanning: A new Technique for ELF Studies of the Auroral Ionosphere, Radio Sci., 19, 4, 1069-1077, 1984.
  12. Stubbe, P., H. Kopka, B. Thidé, and H. Derblom, Stimulated electromagnetic emission: A new technique to study the parametric decay instability in the ionosphere, J. Geophys. Res., 89, A9, 7523-7536, 1984.

1983

[ Top ][ 1982 ][ 1984 ][ End ]

  1. Berthelier, J. J., A. Berthelier, Yu. I. Galperin, V. A. Gladyshev, F. Lefeuvre, N. I. Massevitch, M. Mogilevsky, and O. A. Molchanov, Field and wave measurements aboard the Aureol-3 spacecraft, Adv. Space Res., 2, 7, 49-52, 1983.
  2. Czechowsky, P., G. Schmidt, and H. Kopka, Medium frequency radar observations in the middle atmosphere, J. Atmos. Terr. Phys., 45, 10, 729-732, 1983.
  3. Fejer, J. A., Ionospheric modification and stimulated emissions, in “High-latitude Space plasma physics” ed. by B. Hultqvist and T. Hagfors, Plenum Publishing Co., 1983.
  4. Grandal, B., G. Rose, J. Holtet, K. Måseide, and E. Neske, Preliminary results from the HERO project: In situ measurements of ionospheric modifications using sounding rockets, Spec. Publ. Eur. Space Agency, ESA SP-195, 75-80, 1983.
  5. Hagfors, T., W. Kofman, H. Kopka, P. Stubbe, and T. äijänen, Observations of enhanced plasma lines by EISCAT during heating experiments, Radio Sci., 18, 6, 861-866, 1983.
  6. Hedberg, Å, H. Derblom, B. Thidé, H. Kopka, and P. Stubbe, Observations of HF backscatter associated with heating experiment at Tromsø, Radio Sci., 18, 6, 840-850, 1983.
  7. Hibberd, F. H., E. Nielsen, P. Stubbe, H. Kopka, and M. T. Rietveld, Production of Auroral Zone E Region Irregularities by Powerful HF Heating, J. Geophys. Res., 88, A8, 6347-6351, 1983.
  8. Jones, T. B., T. R. Robinson, and P. Stubbe and H. Kopka, Non-linear effects in the ionospheric propagation of high power radio waves, IEE Antennas and Propagation Conf Proc No. 219, , 304-307, 1983.
  9. Jones, T. B., T. R. Robinson, and P. Stubbe and H. Kopka, A hysteresis effect in the generation of FAI by high power radio waves, Radio Sci., 18, 835, 1983.
  10. Kohl, H., C. LaHoz, K. Folkestad, T. Hansen, and H. Kopka, The electron and ion spectra of radar returns from the critical height during ionospheric heating experiments, Spec. Publ. Eur. Space Agency, ESA SP-195, 91-97, 1983.
  11. Lotz-Iwen, H.-J., Anregung Erdmagnetischer Pulsationen durch lokales aufheizen der polaren Ionosphäre mit energiereichen Hochfrequenzwellen, Doctoral thesis, , Universität Göttingen, 1983.
  12. Rietveld, M. T., H. Kopka, E. Nielsen, P. Stubbe, and R. L. Dowden, Ionospheric Electric Field Pulsations: A Comparison Between VLF Results From an Ionospheric Heating Experiment and STARE, J. Geophys. Res., 88, A3, 2140-2146, 1983.
  13. Robinson, T. R., The modification of the high latitude ionosphere by high power radio waves, Doctoral thesis, , University of Leicester, 1983.
  14. Rose, G., B. Grandal, E. Neske, W. Ott, and K. Spenner, First results of the in situ measurements of the HERO Heating Campaign, Spec. Publ. Eur. Space Agency, ESA SP-183, 263-267, 1983.
  15. Stubbe, P., and H. Kopka, Summary of results obtained with the Tromsø heating facility, Radio Sci., 18, 6, 831-834, 1983.
  16. Stubbe, P., and H. Kopka, Summary of ionospheric Heating experiments at Tromsø, Spec. Publ. Eur. Space Agency, ESA SP-195, 47-50, 1983.
  17. Thidé, B., H. Derblom, Å. Hedberg, H. Kopka, and P. Stubbe, Observations of stimulated electromagnetic emissions in ionospheric heating experiments, Radio Sci., 18, 6, 851-859, 1983.
  18. 1982

[ Top ][ 1981 ][ 1983 ][ End ]

  1. * Fejer, J. A., and E. Krenzien, Theory of generation of ULF pulsations by ionospheric modification experiments, J. Atmos. Terr. Phys., 44, 12, 1075-1087, 1982. *
  2. Jones, T. B., T. R. Robinson, H. Kopka, and P. Stubbe, Phase changes induced in a diagnostic radio wave passing through a heated region of the auroral ionosphere, J. Geophys. Res., 87, A3, 1557-1546, 1982.
  3. Jones, T. B., T. R. Robinson, and P. Stubbe and H. Kopka, Anomalous absorption effects produced by high power radio waves, AGARD Conf Proc No. 332, 5.1-1 – 5.1-19, 1982.
  4. Kopka, H., P. Stubbe, T. B. Jones, and T. R. Robinson, Non-linear reflectivity of high power radio waves in the ionosphere, Nature, 295, 5851, 680-680, 1982.
  5. Stubbe, P., H. Kopka, T. B. Jones, T. R. Robinson, Wide band attenuation caused by powerful HF waves, J. Geophys. Res., 87, A3, 1551-1556, 1982.
  6. Stubbe, P., H. Kopka, M. T. Rietveld, and R. L. Dowden, ELF and VLF wave generation by modulated heating of the current carrying lower ionosphere, J. Atmos. Terr. Phys., 44, 12, 1123-1135, 1982.
  7. Stubbe, P., H. Kopka, H. Lauche, M. T. Rietveld, A. Brekke, O. Holt T. B. Jones T. Robinson A. Hedberg B. Thidé B. Crochet and H.-J. Lotz, Ionospheric modification experiments in northern Scandinavia, J. Atmos. Terr. Phys., 44, 12, 1025-1041, 1982.
  8. Thidé, B., H. Kopka, and P. Stubbe, Observations of stimulated scattering of a strong high-frequency wave in the ionosphere, Phys. Rev. Lett., 49, 21, 1561-1564, 1982.

1981

[ Top ][ 1980 ][ 1982 ][ End ]

  1. Dowden, R. L., P. Stubbe, and H. Kopka, VLF wave generation by modulated RF heating of the electrojet ionosphere, Adv. Space Res., 1, 221-223, 1981.
  2. Fejer, J. A., and H. Kopka, The effect of Plasma instabilities on the ionospherically reflected wave from a high power transmitter, J. Geophys. Res., 86, A7, 5746-5750, 1981.
  3. * Stubbe, P., Modifying effects of a strong electromagnetic wave upon a weakly ionized plasma: a kinetic description, Radio Sci., 16, 3, 417-425, 1981. *
  4. Stubbe, P., and H. Kopka, Generation of Pc 5 pulsations by Polar electrojet modulation: first experimental evidence, J. Geophys. Res., 86, A3, 1606-1608, 1981.
  5. Stubbe, P., H. Kopka, and R. L. Dowden, Generation of ELF and VLF waves by polar electrojet modulation: experimental results, J. Geophys. Res., 86, A11, 9073-9078, 1981.

1980

[ Top ][ 1979 ][ 1981 ]

  1. * Stubbe, P., and H. Kopka, Modification of the F region by powerful radio waves, in: Exploration of the Polar Upper Atmosphere, eds C. S. Deehr and J. A. Holtet, 83-98, 1980*
  2. Stubbe, P., H. Kopka, A. Brekke, T. Hansen, O. Holt, R. L. Dowden, T. B. Jones, T. R. Robinson, H.-J. Lotz, and J. Watermann, First results from the Tromsø¸ ionospheric modification facility, AGARD Conf Proc No. 295, 16.1-16.9, 1980