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1986
Helliwell, RA, Inan US, Katsufrakis J  P, Carpenter DL.  1986.  Beat excitation of whistler mode sidebands using the Siple VLF transmitter. Journal of Geophysical Research. 91:143-153.
Helliwell, RA, Carpenter DL, Inan US, Katsufrakis J  P.  1986.  Generation of band-limited VLF noise using the Siple transmitter - A model for magnetospheric hiss. Journal of Geophysical Research. 91:4381-4392.
1985
Imhof, W  L, Gaines E  E, Voss H  D, Reagan J  B, Datlowe D  W, Mobilia J, Helliwell RA, Inan US, Katsufrakis J  P, Joiner R  G.  1985.  Results from the SEEP active space plasma experiment - Effects onthe ionosphere. Radio Science. 20:511-518.
Bell, TF, Katsufrakis J  P, James H  G.  1985.  A new type of VLF emission triggered at low altitude in the subauroral region by Siple Station VLF transmitter signals. Journal of Geophysical Research. 90:12183.
Helliwell, RA, Inan US, Katsufrakis J  P, Carpenter DL, Paschal EW.  1985.  Recent research on magnetospheric wave-particle interactions. National Institute Polar Research Memoirs. 38:83-98.
Inan, US, Carpenter DL, Helliwell RA, Katsufrakis J  P.  1985.  Subionospheric VLF/LF phase perturbations produced by lightning-whistler induced particle precipitation. Journal of Geophysical Research. 90:7457-7469.
Inan, US, Chang H  C, Helliwell RA, Katsufrakis J  P, Imhof W  L.  1985.  Wave-induced precipitation as a loss process for radiation belt particles. Advances in Space Research. 5:243-245.
1984
Voss, H  D, Imhof W  L, Walt M, Mobilia J, Gaines E  E, Reagan J  B, Inan US, Helliwell RA, Carpenter DL, Katsufrakis J  P.  1984.  Lightning-induced electron precipitation. Nature. 312:740-742.
Carpenter, DL, Inan US, Trimpi M  L, Helliwell RA, Katsufrakis J  P.  1984.  Perturbations of subionspheric LF and MF signals due to whistler-induced electron precipitation bursts. Journal of Geophysical Research. 89(A11):9857-9862.
1983
Bell, TF, Inan US, Katsufrakis J  P, James H  G.  1983.  The apparent spectral broadening of VLF transmitter signals during transionospheric propagation. Journal of Geophysical Research. 88:4813-4840.
Kimura, I, Hashimoto K, Matsumoto H, Mukai T, Bell TF, Inan US, Helliwell RA, Katsufrakis J  P.  1983.  EXOS-B/Siple station VLF wave-particle interaction experiments. I- General description and wave-particle correlations. Journal of Geophysical Research. 88:282-294.
Imhof, W  L, Reagan J  B, Voss H  D, Gaines E  E, Datlowe D  W, Mobilia J, Helliwell RA, Inan US, Katsufrakis J  P, Joiner R  G.  1983.  The modulated precipitation of radiation belt electrons by controlled signals from VLF transmitters. Geophysical Research Letters. 10:615-618.
Imhof, W  L, Reagan J  B, Voss H  D, Gaines E  E, Datlowe D  W, Mobilia J, Helliwell RA, Inan US, Katsufrakis J  P, Joiner R  G.  1983.  Direct observation of radiation belt electrons precipitated by the controlled injection of VLF signals from a ground-based transmitter. Geophysical Research Letters. 10:361-364.
1981
Carpenter, DL, Katsufrakis J  P.  1981.  New upper atmosphere program at South Pole Station,. Antarctic Journal . XVI:220.
Katsufrakis, J  P.  1981.  VLF transmissions from Siple Station. Antarctic Journal. XVI:213.
Kimura, I, Matsumoto H, Hashimoto K, Mukai T, Helliwell RA, Bell TF, Inan US, Katsufrakis J  P.  1981.  Jikiken /EXOS-B/ observation of Siple transmissions. Advances in Space Research. 1:197-202.
1980
Katsufrakis, J  P, Helliwell RA, James G.  1980.  Observations of Siple transmitter signals on the ISIS satellites. Antarctic Journal . XV(5):212-213.
1978
Helliwell, RA, Katsufrakis J  P.  1978.  Controlled wave-particle interaction experiments, Paper 5 in Upper Atmosphere Research in Antarctica. Upper Atmosphere Research in Antarctica. 29:100-129.
Doolittle, J  H, Armstrong W  C, Katsufrakis J  P, Carpenter DL.  1978.  Wave-induced particle precipitation effects at Siple Station. XIII. 4:204.
1977
Raghuram, R, Bell TF, Helliwell RA, Katsufrakis J  P.  1977.  A quiet band produced by VLF transmitter signals in the magnetosphere. Geophysical Research Letters. 4:199-202.
Raghuram, R, Bell TF, Helliwell RA, Katsufrakis J  P.  1977.  Echo-induced suppression of coherent VLF transmitter signals in the magnetosphere. Journal of Geophysical Research. 82:2787-2796.
Helliwell, RA.  1977.  Modification of the propagation characteristics of the ionosphere (and the magnetosphere) by injection into the magnetosphere of whistler-mode waves. AGARD Artificial Modification of Propagation Media 8 p (SEE N77-19530 10-42).
1975
Helliwell, RA, Katsufrakis J  P, Bell TF, Raghuram R.  1975.  VLF line radiation in the earth's magnetosphere and its association with power system radiation. Journal of Geophysical Research. 80:4249-4258.
1973
Helliwell, RA, Katsufrakis J  P, Trimpi M  L.  1973.  Whistler-Induced Amplitude Perturbation in VLF Propagation. Journal of Geophysical Research. 78:4679-4688.
1971
Rosenberg, TJ, Helliwell RA, Katsufrakis J  P.  1971.  Electron Precipitation Associated with Discrete Very-Low-Frequency Emissions. Journal of Geophysical Research. 76:8445-8452.