20th Anniversary Symposium on Ionospheric Interactions in Tromso

10-11 October 2000, Ramfjordmoen, Norway

Presentations are anticipated on
* Past Heating achievements
* Future scientific directions in ionospheric interaction experiments
* Future plans (e.g. SPEAR, magnetospheric radar, solar radar, etc.)
* Present status and outlook for the Heating facility
* Status, capabilities, and results from other HF facilities
* Report on the upgraded EISCAT radars

Programme, (updated 8 Oct 2000)

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10 October

* Welcome, Introduction (in EISCAT library)
====================

09:00 M. Rietveld Welcome on behalf of EISCAT (10-15 mins)

09:15 A. Brekke Introduction on behalf of University of Tromsø (15 min)

* Past HEATING Achievements
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09:30 T. Hagfors, Early Ionospheric HF-modification Work in Arecibo (20min)

09:50 P. Stubbe, Scientific Highlights: 1980 to 1992 (30 min)

10:20 Coffee Break

10:45 M. T. Rietveld, Scientific Highlights Since 1993 (30 min)

11:15 B. Thidé, How Stimulated Electromagnetic Emissions were discovered

Recent Tromsø Results:
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11:45 T. Bösinger On the Ionospheric Alfvén Resonator and HF Heating (20 min)

12:05 Lunch break (Sandwiches at Heating)

ca. 13:00 Demonstration of Heating operation

Recent Tromsø Results Continued:
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14:00 F. Honary Heater-Induced Scintillations (20 min)

14:20 B. Gustavsson, Results from Recent Heating Experiments: F-Region Airglow Enhancements and E-Region Stimulated Electromagnetic Emissions (20 min)

14:40 B. Isham et al., HF-Pump-Induced Parametric Instabilities in the Auroral E-Region (20 min)

15:00 Coffee Break, with Birthday Cake

15:30 E. Mjølhus, E. Helmersen, and D. F. DuBois, Geometric Aspects of HF-driven Langmuir Turbulence in the Ionosphere (20 min)

15:50 F. T. Djuth, B. Isham, M. T. Rietveld, J. H. Elder, T. Hagfors, C. La Hoz, The First One Hundred Milliseconds of HF Modification at Tromsø, Norway (20 min)

16:10 H. Kohl, M. Rietveld, C. La Hoz, Title to come on VHF Observations of the Growth and Decay of Langmuir Turbulence

16:30 C. La Hoz, M. T. Rietveld, B. Isham, T. Grydeland, A Parametric Decay Instability Excited by an Electron Beam Occurring Naturally in the Ionosphere? (20 min)

19:00 Buffet Diner at Heating

* Future Directions in Ionospheric Interaction Experiments
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09:30 D. DuBois New Directions in Theory and Experiment for HF Excitation of Langmuir Turbulence in the Ionosphere (30 min)

* Results from Other Facilities
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10:00 M. Sulzer The Arecibo HF Facility and the Complete ISR Spectrum (30 min)

10:30 S. Gonzalez, Results from an HF experiment on Energy Balance in the Lower Topside Ionosphere (20 min)

10:50 Coffee Break

11:20 V. Frolov, Status, Capabilities, and Results from the Sura Facility (20 min)

11:40 D. Papadopoulos, Recent Results from HAARP (20 min)

12:00 S. Grach, V. M. Fridman, L. M. Lifshits, T. S. Podsrigach and E. Sergeev, Microwave Electromagnetic Emisson of the Ionosphere Stimulated by HF Pumping; and S. Grach on Kinetic Effects Related to HF pumping of the ionosphere (30 min)

12:30 Lunch (sandwiches at Heating)

13:00-14:00 Tour of EISCAT Radars for those Interested.

14:00 L. Kagan, Vizualization of the Natural Sporadic-E Structure in the Ionosphere with Use of a Ground-Based Transmitter of HF Radio Waves (20 min)

14:20 T. B. Jones, The SPEAR Project on Svalbard (20 min)

14:40 P. Chapman, Technical Aspects of SPEAR (20 min)

15:00 B. Isham, Solar Radar

15:20 Coffee Break

15:50 Summary and Discussion on Future Directions in HF-interactions and Closing Remarks: