Institute of Communication Networks and Satellite Communications (4400)

  • 8010

    Inffeldgasse 12 Graz

    Austria

Research Output 1972 2019

1979

Electron Densities During Winter Anomalous Absorption of Different Intensity-II

Friedrich, M., Torkar, K. M., Spenner, K., Rose, G. & Widdel, H. U., 1979, In : Journal of atmospheric and terrestrial physics. 41, 10/11, p. 1121-1125

Research output: Contribution to journalArticleResearchpeer-review

Electron Densities During Winter Anomalous Absorption of Different Intensity Observed at 37.1°N, 6.73°W, During Winter 1975/76-I

Widdel, H. U., Rose, G., Spenner, K., Torkar, K. M. & Friedrich, M., 1979, In : Journal of atmospheric and terrestrial physics. 41, 10/11, p. 1105-1119

Research output: Contribution to journalArticleResearchpeer-review

Electron Density Measurements in the Lower D-Region

Jacobsen, T. A. & Friedrich, M., 1979, In : Journal of atmospheric and terrestrial physics. 41, 12, p. 1195-1200

Research output: Contribution to journalArticleResearchpeer-review

Ion Production and Effective Loss Rate in the Mesosphere and Lower Thermosphere During the Western European Winter Anomaly Campaign 1975/76

Thrane, E. V., Grandal, B., Hagen, O., Ugletveit, F., Bangert, W., Beran, D., Friedrich, M., Loidl, A., Schwentek, H. & Torkar, K. M., 1979, In : Journal of atmospheric and terrestrial physics. 41, 10/11, p. 1097-1103

Research output: Contribution to journalArticleResearchpeer-review

Large Scale Drifts of IonosphericRadio Wave Absorption

Friedrich, M., Torkar, K. M. & Ebel, A., 1979, In : Kleinheubacher Berichte. 22, p. 157-263

Research output: Contribution to journalArticleResearch

The Seasonal Variation of Radio Wave Absorption in Europe

Friedrich, M., Torkar, K. M., Rose, G. & Widdel, H. U., 1979, In : Journal of atmospheric and terrestrial physics. 41, 10/11, p. 1163-1170

Research output: Contribution to journalArticleResearchpeer-review

1978

Preliminary Results of Absorption Measurements of a Central European A3 Path

Torkar, K. M., Friedrich, M., Wallner, W., Rose, G. & Widdel, H. U., 1978, In : Kleinheubacher Berichte. 21, p. 155-161

Research output: Contribution to journalArticleResearch

1977

A Directly Reading Slant Range System

Friedrich, M. & Urban, A., 1977, In : Space science instrumentation. 3, p. 449-453

Research output: Contribution to journalArticleResearchpeer-review

An Attempt to Interpret Collision Frequency Measurements in the D-Region

Torkar, K. & Friedrich, M., 1977, Dynamical and Chemical Coupling Between the Neutral and Ionized Atmosphere. Dordrecht: D. Reidel, p. 185-188

Research output: Chapter in Book/Report/Conference proceedingChapterResearch

A Rocket Borne Experiment to Measure Plasma Densities in the D-Region

Friedrich, M., Torkar, K. & Ulrich, S., 1977, In : Journal of geophysics. 44, p. 91-98

Research output: Contribution to journalArticleResearch

1975

A PCM Telemetry System for Small Scientific Balloon Payloads

Friedrich, M., Urban, A. & Slamanig, H., 1975, Technologie des Expériences Scientifiques Spatiales. ., p. 615-624

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

On the Accuracy of the Determination of Electron Density and Collision Frequency with the Faraday Experiment

Friedrich, M. & Jacobsen, T. A., 1975, In : Kleinheubacher Berichte. 18, p. 333-343

Research output: Contribution to journalArticleResearch

1974

Ion Production and Effective Electron Loss Coefficient in an REP Event

Jacobsen, T. A., Friedrich, M. & Riedler, W., 1974, European sounding-rocket and scientific-balloon activity latitudes, with emphasis on the international magnetospheric study. Noordwijk: ESRO, Vol. 107. p. 239-246 (ESRP-SP).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

1973

Low-Energy Particle Measurements During a Relativistic-Electron-Precipitation Event

Riedler, W. & Friedrich, M., 1973, European Sounding Rocket and Related Research at High Latitudes. Noordwijk: ., Vol. 97. p. 133-140 (ESRO-SP).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

On-Board Phase Measurement and Maximum-Minimum Detection for the Faraday Experiment

Friedrich, M., 1973, Foredrag pa Rakettinstrumenteringsmöte. Oslo: ., p. 12-19 (SAD-47-T).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

1972

Detection of Water Cluster Ions at the High Latitude Summer Mesospause

Johannessen, A., Krankowsky, D., Arnold, F., Friedrich, M., Riedler, W., Folkestad, K., Skovli, G., Thrane, E. V. & Tröim, J., 1972, In : Nature (London). 235, 5335, p. 215-217

Research output: Contribution to journalArticleResearchpeer-review