J. A. Koehler

University of Saskatchewan CA

Publications

2,130

Citations

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Publication & Citation Trends

Most Cited Works

DARN/SuperDARN

R. A. Greenwald, K. B. Baker, J. R. Dudeney, M. Pinnock, T. B. Jones +13 more

Space Science Reviews 1995

1,164

Comparison of plasma flow velocities determined by the ionosonde Doppler drift technique, SuperDARN radars, and patch motion

I. F. Grant, J. W. MacDougall, J. M. Ruohoniemi, W. A. Bristow, G. J. Sofko +3 more

Radio Science 1995

Tillage effects on the radar backscattering coefficient of grain stubble fields

Brian Brisco, R.J. Brown, B. Snider, G. J. Sofko, J. A. Koehler +1 more

International Journal of Remote Sensing 1991

On the origin of narrow non‐ion‐acoustic coherent radar spectra in the high‐latitude <i>E</i> region

J.‐P. St.‐Maurice, Paul Prikryl, D. W. Danskin, A. M. Hamza, G. J. Sofko +3 more

Journal of Geophysical Research Atmospheres 1994

Ionospheric refraction effects in slant range profiles of auroral HF coherent echoes

M. V. Uspensky, A. V. Kustov, G. J. Sofko, J. A. Koehler, J. P. Villain +3 more

Radio Science 1994

Publications

93 total

DARN/SuperDARN

R. A. Greenwald, K. B. Baker, J. R. Dudeney, M. Pinnock, T. B. Jones et al. - Space Science Reviews, 1995

Cited by 1,164 OpenAlex

Comparison of plasma flow velocities determined by the ionosonde Doppler drift technique, SuperDARN radars, and patch motion

I. F. Grant, J. W. MacDougall, J. M. Ruohoniemi, W. A. Bristow, G. J. Sofko et al. - Radio Science, 1995

Cited by 95 OpenAlex

The ARIA I Rocket Campaign

P. C. Anderson, A. B. Christensen, J. R. Sharber, P. R. Straus, J. H. Hecht et al. - Journal of Geophysical Research Atmospheres, 1995

Cited by 20 OpenAlex

On the origin of narrow non‐ion‐acoustic coherent radar spectra in the high‐latitude <i>E</i> region

J.‐P. St.‐Maurice, Paul Prikryl, D. W. Danskin, A. M. Hamza, G. J. Sofko et al. - Journal of Geophysical Research Atmospheres, 1994

Cited by 57 OpenAlex

Ionospheric refraction effects in slant range profiles of auroral HF coherent echoes

M. V. Uspensky, A. V. Kustov, G. J. Sofko, J. A. Koehler, J. P. Villain et al. - Radio Science, 1994

Cited by 42 OpenAlex

The Freja F3C Cold Plasma Analyzer

B. A. Whalen, D. J. Knudsen, A. W. Yau, A. M. Pilon, T. Cameron et al. - Space Science Reviews, 1994

Cited by 32 OpenAlex

Aspect angle dependence of the radar aurora Doppler velocity

A. V. Kustov, M. V. Uspensky, G. J. Sofko, J. A. Koehler, Jie Mu - Journal of Geophysical Research Atmospheres, 1994

Cited by 18 OpenAlex

Tillage effects on the radar backscattering coefficient of grain stubble fields

Brian Brisco, R.J. Brown, B. Snider, G. J. Sofko, J. A. Koehler et al. - International Journal of Remote Sensing, 1991

Cited by 58 OpenAlex

Diurnal radio aurora variations at 50 Mhz measured by the bistatic auroral radar system radars

D. A. Andre, A. G. McNamara, D. D. Wallis, Bruce A. McIntosh, Terry J. Hughes et al. - Journal of Geophysical Research Atmospheres, 1988

Cited by 18 OpenAlex

Ionospheric ion cyclotron wave generation inferred from coordinated Doppler radar, optical, and magnetic observations

Paul Prikryl, J. A. Koehler, G. J. Sofko, D. J. McEwen, D. P. Steele - Journal of Geophysical Research Atmospheres, 1987

Cited by 24 OpenAlex

Research Topics

Ionosphere and magnetosphere dynamics (67) Earthquake Detection and Analysis (41) Solar and Space Plasma Dynamics (17) GNSS positioning and interference (17) Seismic Waves and Analysis (17)

Frequent Co-Authors

G. J. Sofko

12 joint publications

Paul Prikryl

4 joint publications

A. V. Kustov

3 joint publications

A. G. McNamara

3 joint publications

D. R. McDiarmid

3 joint publications

D. J. McEwen

3 joint publications

Affiliations

Mount Stromlo Observatory

AU 1965 - 1965

University of Saskatchewan

CA 2005 - 1973

Institute of Radiophysics and Electronics

AM 1963 - 1963

Max Planck Institute for Radio Astronomy

DE 1983 - 1983

Philips (Germany)

DE 1979 - 1979

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J. A. Koehler

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