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Investigation of electron density profile in the lower ionosphere by SRP-4 rocket experiment

Abstract

The SRP-4 rocket was launched at 12:07 LT on 18 March 2002. The objective of this rocket experiment is the investigation of the electron density profile in the high-latitude D-region of the ionosphere at noon. The Low frequency and Medium frequency band radio Receiver (LMR) and the DC Probe System (DPS) were installed on-board the rocket to estimate the D-region electron density. The LMR measured the intensities of radio waves received from ground-based stations operating at 257 kHz, 660 kHz and 820 kHz, respectively. The DPS measured the electron current and the positive ion current using the biased electrodes. The electron density profile at altitudes below 90 km was estimated from the measured absorption of these radio waves. It was found that the electron density began to increase at the altitude of 52 km and was larger than that estimated by the International Reference Ionosphere model at altitudes from 74 km to 89 km.

References

  • Bilitza, D., The E- and D-region in IRI, Adv. Space Res., 21, 871–874, 1998.

    Article  Google Scholar 

  • Bilitza, D., International reference ionosphere 2000, Radio Science, 36, 261–275, 2001.

    Article  Google Scholar 

  • Fleming, E. L., S. Chandra, J. J. Barnett, and M. Corney, Zonal mean temperature, pressure, zonal wind and geophysical height as a function of latitude, Adv. Space Res., 10, 11–59, 1990.

    Article  Google Scholar 

  • Friedrich, M. and K. M. Torkar, FIRI: A semiempirical model of the lower ionosphere, J. Geophys. Res., 106, 21,409–21,418, 2001.

    Article  Google Scholar 

  • Gregory, J. B. and A. H. Manson, Mesospheric electron number densities at 35° latitude, J. Geophys. Res., 72, 1073–1080, 1967.

    Article  Google Scholar 

  • Hunsucker, R. D. and J. K. Hargreaves, The High-latitude Ionosphere and Its Effects on Radio Propagation, Cambridge University Press, United Kingdom, 617 pp, 2003.

    Google Scholar 

  • Ishisaka, K., T. Okada, T. Nishio, J. G. Hawkins, S. Murakami, T. Miyake, I. Nagano, H. Matsumoto, and Y. Miyazawa, Measurement of the electron density profile in the lowest ionosphere by the Alaska rocket experiment, IEICE Trans. Commun., J85-B, 1147–1151, 2002 (in Japanese).

    Google Scholar 

  • Kivelson, M. G. and C. T. Russell, Introduction to Space Physics, Cambridge University Press, United Kingdom, 568 pp, 1995.

    Google Scholar 

  • Murayama, Y., K. Igarashi, D. D. Rice, B. J. Watkins, R. L. Collins, K. Mizutani, Y. Saito, and S. Kainuma, Medium frequency radars in Japan and Alaska for upper atmosphere observations, IEICE Trans. Commun., E83-B, 1996–2003, 2000.

    Google Scholar 

  • Nagano, I. and T. Okada, Electron density profiles in the ionosphere Dregion estimated from MF radio wave absorption, Adv. Space Res., 25, 33–42, 2000.

    Article  Google Scholar 

  • Okada, T. and I. Nagano, Rocket experiment of VLF and MF radio wave measurement by using single loop anntena, IEICE Trans., E73, 237–244, 1990.

    Google Scholar 

  • Okada, T., M. Mambo, T. Fukami, I. Nagano, and K. Okumura, Multipule thin layers of enhanced ionization in the ionospheric E-region derived from VLF wave measurements, J. Geomag. Geoelectr., 49, 69–76, 1997.

    Article  Google Scholar 

  • Rose, G. and H. U. Widdel, Results of concentration and mobility measurements for positively and negatively charged particles taken between 85 and 22 km in sounding rocket experiments, Radio Science, 7, 81–87, 1972.

    Article  Google Scholar 

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Correspondence to K. Ishisaka.

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Ishisaka, K., Okada, T., Hawkins, J. et al. Investigation of electron density profile in the lower ionosphere by SRP-4 rocket experiment. Earth Planet Sp 57, 879–884 (2005). https://doi.org/10.1186/BF03351865

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  • DOI: https://doi.org/10.1186/BF03351865

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