COST 296 scientific results designed for operational use (2009)
Stanislawska, I.; Space Research Centre PAS, Warsaw, Poland, Belehaki, A.; National Observatory Of Athens, Athens, Greece, Jakowski, N.; DLR, Institute Of Communications And Navigation, Neustrelitz, Germany, Zolesi, B.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Gulyaeva, T. L.; IZMIRAN, Troitsk, Moscow Region, Russia, Cander, L. R.; Rutherford Appleton Laboratory, Chilton, UK, ...
The main objective of the COST 296 Action «Mitigation of Ionospheric Effects on Radio Systems» is the establishment/ improvement of ionospheric services by coordinating the development of specific...
Pietrella, M.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Perrone, L.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Fontana, G.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Romano, V.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Malagnini, A.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Tutone, G.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, ...
After a first oblique-incidence ionospheric sounding campaign over Central Europe performed during the period 2003–2004 over the radio links between Inskip (UK, 53.5°N, 2.5°W) and Rome (Italy,...
Zolesi, B.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Fontana, G.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Perrone, L.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Pietrella, M.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Romano, V.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Tutone, G.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, ...
New systematic oblique ionospheric radio sounding measurements over Central Europe, concerning the radio links between Inskip (UK, 53.51N, 2.51W) and Rome (Italy, 41.81N, 12.51E) and between Inskip...
The total solar eclipse of March 2006: overview (2008)
E. Gerasopoulos, C. S. Zerefos, I. Tsagouri, D. Founda, V. Amiridis, A. F. Bais, ...
This paper provides the overview of an integrated, multi-disciplinary effort to study the effects of the 29 March 2006 total solar eclipse on the environment, with special focus on the atmosphere....
Zolesi, B.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Pietrella, M.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Fontana, G.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Perrone, L.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Romano, V.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Tutone, G.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, ...
New systematic oblique ionospheric radio sounding measurements over Central Europe, concerning the radio links between Inskip (UK, 53.5° N, 2.5° W) and Rome (Italy, 41.8 N, 12.5E) and between...
Pietrella, M.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Perrone, L.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Fontana, G.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Romano, V.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Malagnini, A.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Tutone, G.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, ...
After a first oblique-incidence ionospheric sounding campaign over Central Europe performed during the period 2003-2004 over the radio links between Inskip (UK, 53.5° N, 2.5° W) and Rome (Italy,...
The Total Solar Eclipse of March 2006: overview (2007)
Gerasopoulos, E., Zerefos, C. S., Tsagouri, I., Founda, D., Amiridis, V., Bais, A. F., ...
This paper provides an overview of integrated, multi-disciplinary effort to study the effects of a total solar eclipse on the environment, with special focus on the atmosphere. On the occasion of the...
Evidence of gravity waves into the atmosphere during the March 2006 total solar eclipse (2007)
Zerefos, C. S., Gerasopoulos, E., Tsagouri, I., Psiloglou, B., Belehaki, A., Herekakis, T., ...
This study aims at testing the hypothesis according to which the movement of the moon's shadow sweeping the ozone layer at supersonic speed during a solar eclipse creates gravity waves in the...
Evidence of gravity waves into the atmosphere during the March 2006 total solar eclipse (2007)
Zerefos, C. S., Gerasopoulos, E., Tsagouri, I., Psiloglou, B. E., Belehaki, A., Herekakis, T., ...
This study aims at providing experimental evidence, to support the hypothesis according to which the movement of the moon's shadow sweeping the ozone layer at supersonic speed, during a solar...
The Total Solar Eclipse of March 2006: overview (2007)
Gerasopoulos, E., Zerefos, C. S., Tsagouri, I., Founda, D., Amiridis, V., Bais, A. F., ...
This paper provides an overview of integrated, multi-disciplinary effort to study the effects of a total solar eclipse on the environment, with special focus on the atmosphere. On the occasion of the...
Evidence of gravity waves into the atmosphere during the March 2006 total solar eclipse (2007)
Zerefos, C. S., Gerasopoulos, E., Tsagouri, I., Psiloglou, B., Belehaki, A., Herekakis, T., ...
This study aims at testing the hypothesis according to which the movement of the moon's shadow sweeping the ozone layer at supersonic speed during a solar eclipse creates gravity waves in the...
Evidence of gravity waves into the atmosphere during the March 2006 total solar eclipse (2007)
Zerefos, C. S., Gerasopoulos, E., Tsagouri, I., Psiloglou, B. E., Belehaki, A., Herekakis, T., ...
This study aims at providing experimental evidence, to support the hypothesis according to which the movement of the moon's shadow sweeping the ozone layer at supersonic speed, during a solar...
Evidence of gravity waves into the atmosphere during the March 2006 total solar eclipse (2007)
C. S. Zerefos, E. Gerasopoulos, I. Tsagouri, B. E. Psiloglou, A. Belehaki, T. Herekakis, ...
This study aims at providing experimental evidence, to support the hypothesis according to which the movement of the moon's shadow sweeping the ozone layer at supersonic speed, during a solar...
Evidence of gravity waves into the atmosphere during the March 2006 total solar eclipse (2007)
C. S. Zerefos, E. Gerasopoulos, I. Tsagouri, B. Psiloglou, A. Belehaki, T. Herekakis, ...
This study aims at testing the hypothesis according to which the movement of the moon's shadow sweeping the ozone layer at supersonic speed during a solar eclipse creates gravity waves in the...
The Total Solar Eclipse of March 2006: overview (2007)
E. Gerasopoulos, C. S. Zerefos, I. Tsagouri, D. Founda, V. Amiridis, A. F. Bais, ...
This paper provides an overview of integrated, multi-disciplinary effort to study the effects of a total solar eclipse on the environment, with special focus on the atmosphere. On the occasion of the...
Tsagouri, I.; National Observatory Of Athens, Institute For Space Applications And Remote Sensing, Palaia Penteli 15236, Greece, Zolesi, B.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, Belehaki, A.; National Observatory Of Athens, Institute For Space Applications And Remote Sensing, Palaia Penteli 15236, Greece, Cander, L. R.; Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, UK
The increasing demand for upper-atmosphere nowcasting services for operational applications reveals the need for a realistic mapping of the ionosphere over Europe in real-time and especially during...
Belehaki, A., Tsagouri, I., Marinov, P., Kutiev, I., Jakowski, N., Stankov, S. M.
Recently, an empirical model of the topside ionosphere scale height was developed, based on the vertical electron density profiles from the topside sounders onboard Alouette and ISIS satellites. The...
A dynamic system to forecast ionospheric storm disturbances based on solar wind conditions (2005)
Tsagouri, I., Belehaki, A., Cander, L. R.
For the reliable performance of technologically advanced radio communications systems under geomagnetically disturbed conditions, the forecast and modelling of the ionospheric response during storms...
A dynamic system to forecast ionospheric storm disturbances based on solar wind conditions (2005)
Tsagouri, I.; Ionospheric Group, Institute For Space Applications And Remote Sensing, National Observatory Of Athens, Palaia Penteli, Greece, Belehaki, A.; Ionospheric Group, Institute For Space Applications And Remote Sensing, National Observatory Of Athens, Palaia Penteli, Greece, Cander, L. R.; Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, U.K.
For the reliable performance of technologically advanced radio communications systems under geomagnetically disturbed conditions, the forecast and modelling of the ionospheric response during storms...
Nowcasting, forecasting and warning for ionospheric propagation: tools and methods (2004)
Stamper, R., Belehaki, A., Buresova, D., Cander, L. R., Kutiev, I. S., Pietrella, M., ...
The paper reviews the work done in the course of the COST 271 Action concerned with the development of tools and methods for forecasting, nowcasting and warning of ionospheric propagation conditions....
Nowcasting, forecasting and warning for ionospheric propagation: tools and methods (2004)
Stamper, R., Belehaki, A., Buresová, D., Cander, L. R., Kutiev, I., Pietrella, M., ...
The paper reviews the work done in the course of the COST 271 Action concerned with the development of tools and methods for forecasting, nowcasting and warning of ionospheric propagation conditions....
Nowcasting, forecasting and warning for ionospheric propagation: tools and methods (2004)
Stamper, R.; Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, U.K., Belehaki, A.; National Observatory Of Athens, Institute For Space Applications And Remote Sensing, P. Penteli, Greece, Buresová, D.; Institute Of Atmospheric Physics, Academy Of Science Of Czech Republic, Prague, Czech Republic, Cander, L. R.; Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, U.K., Kutiev, I.; Bulgarian Academy Of Sciences, Sofia, Bulgaria, Pietrella, M.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione Roma2, Roma, Italia, ...
The paper reviews the work done in the course of the COST 271 Action concerned with the development of tools and methods for forecasting, nowcasting and warning of ionospheric propagation conditions....
Low- and high-frequency spectral behavior of cosmic-ray intensity for the period 1953?1996 (2003)
Mavromichalaki, H., Preka-Papadema, P., Petropoulos, B., Tsagouri, I., Georgakopoulos, S., Polygiannakis, J.
A study of the cosmic-ray intensity power spectrum using the Climax Neutron Monitor data in the frequency range from 10-9 Hz to 10-7 Hz (which corresponds to periodicities from 11 years to a few...
Low- and high-frequency spectral behavior of cosmic-ray intensity for the period 1953?1996 (2003)
Mavromichalaki, H., Preka-Papadema, P., Petropoulos, B., Tsagouri, I., Georgakopoulos, S., Polygiannakis, J.
A study of the cosmic-ray intensity power spectrum using the Climax Neutron Monitor data in the frequency range from 10-9 Hz to 10-7 Hz (which corresponds to periodicities from 11 years to a few...
High-resolution vertical electron density true height profiles from Athens Digisonde are used to calculate the electron content up to the peak of the F 2 layer (bottomside electron content) and also...
Belehaki, A.; Institute For Space Applications And Remote Sensing, National Observatory Of Athens, Palaia Penteli, Greece", Tsagouri, I.; Institute For Space Applications And Remote Sensing, National Observatory Of Athens, Palaia Penteli, Greece"
High-resolution vertical electron density true height profiles from Athens Digisonde are used to calculate the electron content up to the peak of the F 2 layer (bottomside electron content) and also...
On the nature of nighttime ionisation enhancements observed with the Athens Digisonde (2002)
True height electron density profiles observed with the Athens Digisonde were analyzed together with geomagnetic data indices for six magnetic storms in September and October 2000 in an effort to...
On the nature of nighttime ionisation enhancements observed with the Athens Digisonde (2002)
True height electron density profiles observed with the Athens Digisonde were analyzed together with geomagnetic data indices for six magnetic storms in September and October 2000 in an effort to...
On the derivation of an hourly local index to define the normal ionosphere (2000)
Belehaki, A., Moraitis, G., Tsagouri, I.
In this paper an hourly local ionospheric index f n F 2 is proposed to define the normal level of the undisturbed ionosphere. For the determination of this index a model is developed where the normal...
On the derivation of an hourly local index to define the normal ionosphere (2000)
Belehaki, A.; National Observatory Of Athens, Institute For Space Applications And Remote Sensing, Palea Penteli, Greece, Moraitis, G.; National Observatory Of Athens, Institute For Space Applications And Remote Sensing, Palea Penteli, Greece, Tsagouri, I.; University Of Athens, Physics Department, Nuclear And Particle Physics Section, Athens, Greece
In this paper an hourly local ionospheric index f n F 2 is proposed to define the normal level of the undisturbed ionosphere. For the determination of this index a model is developed where the normal...
Study of the longitudinal expansion velocity of the substorm current wedge (1998)
Belehaki, A., Tsagouri, I., Mavromichalaki, H.
In this work we examine simultaneous observations from the two geosynchronous satellites GOES-5 and GOES-6 located at 282°E and 265°E respectively, and from middle and low latitude ground...
Study of the longitudinal expansion velocity of the substorm current wedge (1998)
Belehaki, A., Tsagouri, I., Mavromichalaki, H.
In this work we examine simultaneous observations from the two geosynchronous satellites GOES-5 and GOES-6 located at 282°E and 265°E respectively, and from middle and low latitude ground...