Publications

High Frequency (HF) spectral occupancy over northern Europe, University of Manchester, Institute of Science and Technology (UMIST), Manchester, UK, 2002

Refereed Journal Publications:

1.  Economou L.V., Haralambous H., Pantjiaros C.A., Green P.R., Gott G.F., Laycock P.J., Bröms M. and Boberg S, Models of HF Spectral Occupancy over a Sunspot Cycle, Proc.IEE-Communications, 152 (6), Dec 2005, pp.980-988.

2.  Haralambous H, Papadopoulos H, Diurnal Neural Congestion Models for High-Frequency Broadcast Users IEEE Transactions on Broadcasting June 2009 Vol 55 pp 145-154.

3.  António Casimiro, Joaquim Azevedo, Lefteris Economou, Haris Haralambous, Ersin Tulunay, Yurdanur Tulunay, Yildirim Bahadirlar, A. Serdar Türk, E. Michael Warrington  HF spectrum Occupancy and Antennas , Special Issue of Annals of Geophysics 2009 Vol 52 pp 339-357.

4.  L. Cander, H. Haralambous On the importance of total electron content enhancements during the extreme solar minimum, Advances in Space Research (Elsevier)  Special Issue on Scientific applications of Galileo and other Global Navigation Satellite Systems, 47(2), pp 304-311, 2011 Doi: 10.1016/j.asr.2010.08.026.

5.  H. Papadopoulos and Haralambous H. Reliable Prediction Intervals with Regression Neural Networks. Neural Networks 24(8): 842-851. Elsevier, 2011. DOI: 10.1016/j.neunet.2011.05.008.

6.  A. Konstantinidis, Haralambous H., A. Agapitos and H. Papadopoulos. A GP-MOEA/D Approach for Modelling Total Electron Content over Cyprus. Engineering Intelligent Systems 18(3-4): 193-203. CRL Publishing, 2010.

7.  Haralambous H., and H. Papadopoulos. A neural network approach for the interpolation of missing foF2 data points. Engineering Intelligent Systems 20(1-2): 193-203. CRL Publishing, 2012.

8.  P. Vryonides, H. Haralambous, Comparison of COSMIC measurements with the IRI-2007 model over the eastern Mediterranean region. Journal of Advanced Research, Volume 4, Issue 3, May 2013, Pages 297-301.

9.  C. Oikonomou, H. Haralambous, C. Haldoupis, Chris Meek Sporadic E tidal variabilities and characteristics observed with the Cyprus Digisonde. Journal of Atmospheric and Solar-Terrestrial Physics, Volume 119, Nov 2014, Pages 173-183.

10.  H Haralambous, C. Oikonomou Comparison of peak characteristics of the F2 ionospheric layer obtained from the Cyprus Digisonde and IRI-2012 model during low and high solar activity period, Advances in Space Research (Elsevier), 2015 Doi:  doi:10.1016/j.asr.2015.01.036.

11.  B Muslim,  Haris Haralambous, C. Oikonomou, Sefria Anggarani  Global model of ionospheric slab thickness and its validation for foF2 prediction during ionospheric storm , Annals of Geophysics 2015 Vol 58, No 5 (2015).

12.  Paul, A., H. Haralambous, and C. Oikonomou (2015), Characteristics of postmidnight L band scintillation in the transition region from the equatorial to midlatitudes over the Indian longitude sector using COSMIC, C/NOFS, and GPS measurements, Radio Science (AGU), 50, doi:10.1002/2015RS005807.

13.  Nastase-Ilie E., Oikonomou C., Toma-Danila D., Haralambous H., Muntean A., Moldovan I.A.,(2016): Investigation of ionospheric precursors of earthquakes in Romania using the Romanian GNSS/GPS network. Rom Journal Phys, 61(7-8).

14.  C. Oikonomou, H. Haralambous, B. Muslim (2016). Investigation of ionospheric TEC precursors related to the M7.8 Nepal and M8.3 Chile earthquakes in 2015 based on Spectral and Statistical Analysis. Natural Hazards 83: 97. doi:10.1007/s11069-016-2409-7.

15.  Panda, S. K., Haralambous, H. (2016). Variability of the bottomside B0 and B1 parameters of ionospheric electron density profile over Cyprus and comparison with IRI-2012 model Advances in Space Research (Elsevier).

16.  C. Oikonomou, H. Haralambous, B. Muslim (2016). Investigation of ionospheric precursors related to deep and intermediate earthquakes based on spectral and statistical analysis. Advances in Space Research (Elsevier), doi:10.1016/j.asr.2016.10.026.

17.  C. Oikonomou, H. Haralambous, I-A. Moldovan (2016). Investigation of pre-earthquake ionospheric anomalies using VLF/LF INFREP European and GNSS global networks. Rom Journal Phys, (accepted for publication October 2016).

18.  Mostafa, Md G., Eleni Tsolaki, Haris Haralambous (2017). HF Spectral Occupancy Time Series Models Over the Eastern Mediterranean Region IEEE Transactions on Electromagnetic Compatibility 59.1 (2017): 240-248.

19.  Veettil, S. Vadakke, H. Haralambous, and M. Aquino. Observations of quiet-time moderate midlatitude L-band scintillation in association with plasma bubbles GPS Solutions (2017): 1-1.

20.  Mostafa, Md Golam, Haris Haralambous, Christina Oikonomou (2017). Evaluation of IRI predicted characteristics of ionospheric F1 layer by ionosonde observations in Nicosia, Cyprus Advances in Space Research, 59(6), 1548-1558.

21.  Mathew, Tiju Joseph, Haris Haralambous Christina Oikonomou (2017). Pre-sunrise uplift and sunrise downward excursion in the F-region vertical plasma drift: Observations from the mid-latitude station Nicosia Advances in Space Research.

22.  Haralambous. H. Papadopoulos H (2017) 24-hour HF Spectral Occupancy Characteristics and Neural Network Modeling Over Northern Europe. (accepted for publication February 2017 in IEEE Transactions on Electromagnetic Compatibility).

23.  Ray, Sarbani, Bidyut Roy, Krishnendu Sekhar Paul, Samiddha Goswami, Christina Oikonomou, Haris Haralambous, Babita Chandel, Ashik Paul (2017). Study of the effect of 17–18 March 2015 geomagnetic storm on the Indian longitudes using GPS and C/NOFS Journal of Geophysical Research: Space Physics.

24.  D. Wijaya, H. Haralambous, C. Oikonomou W. Kuntjoro (2017) Determination of the ionospheric foF2 using a stand-alone GPS receiver, Submitted on Journal of GeodesyJournal of Geodesy, 1-17.

Refereed Conference Proceedings (Full papers):

25.  Economou L.V., Haralambous H., Pantjiaros C.A., Green P.R., Gott G.F., Laycock P.J., Bröms M. and Boberg S, Models of HF Spectral Occupancy over a Sunspot Cycle, Proc. IEE Int. Conf. HF Radio Systems and Techniques, pp. 7-12, 2003 July.

26.  Economou L.V., Haralambous H., Green P.R., Gott G.F., Laycock P.J., Bröms M. and Boberg S, Trends in the Utilisation of the HF Spectrum, Proc. IEE Int. Conf. HF Radio Systems and Techniques, pp. 222-227, July 2003.

27.  Economou L.V., Haralambous H., Green P.R., Gott G.F., Laycock P.J., Bröms M. and Boberg S, Aspects of HF spectral occupancy, IEE International Conference, HF Radio Systems and Techniques, pp. 367-372 Guildford UK, July 2000.

28.  Haralambous H, Papadopoulos H, Economou L.V  Using Neural Networks for Predicting the Likelihood of Interference to Groundwave Users in the HF Spectrum International Conference on Engineering Applications of Neural Networks (EANN-07) August 2007 Salonica pp 200-209.

29.  Haralambous H, Papadopoulos H, Neural Network Prediction of HF Spectral Occupancy Nordic International HF Conference, (HF07) pp 4.4.1-4.4.8 August 2007 Sweden.

30.  H. Haralambous, H. Papadopoulos, L. Economou Predicting the diurnal variation of HF spectral occupancy over Sweden 12th Ionospheric Effects Symposium (IES2008) pp 351-358 May 2008  Washington.

31.  Haralambous H, Papadopoulos H Short-term Forecasting of the Likelihood of Interference to Groundwave Users in the Lowest Part of the HF Spectrum 4th IEEE International Conference on Intelligent Systems (IS08) pp 17.17-17.21 September 2008 Varna.

32.  H. Haralambous, L. Economou, Pantjiaros C.A, Christofi L.  Monitoring of HF Spectral Occupancy in Cyprus, IET 11th International Conference on Ionospheric Radio Systems and Techniques (IRST)  pp 42-45 May 2009 Edinburgh.

33.  Haralambous H, P. Vryonides,L. Economou First Results from the Cyprus Digisonde, IET 11th International Conference on Ionospheric Radio Systems and Techniques (IRST) pp 9-13 May 2009 Edinburgh.

34.  Haralambous H, Papadopoulos H,  A Neural Network model for the critical frequency of the F2 ionospheric layer over Cyprus International Conference on Engineering Applications of Neural Networks (EANN09) pp 371-379 Communications in Computer Science and Information Science (Springer) August 2009 London .

35.  H. Papadopoulos and H. Haralambous. Predicting the Occupancy of the HF Amateur Service with Neural Network Ensembles Proceedings of the 19th International Conference on Artificial Neural Networks (ICANN2009), Part II, LNCS 5769, pp. 335-344. Springer, 2009. DOI: 10.1007/978-3-642-04277-5_34.

36.  H Haralambous , A. Mahrous  , P Vryonides , A Shemis ,  A Cyprus-Egypt initiative for monitoring of Ionospheric Weather Over the eastern Mediterranean region IAGA International Symposium on Solar Wind-Space Environment Interaction pp 193-196 Cairo, Egypt December 2009.

37.  Haralambous H, P. Vryonides,L. Economou , Papadopoulos H  A local Total Electron Content Neural Network model over  Cyprus  4th International Symposium on Communications, Control  and Signal Processing (ISCCSP 2010) March 2010 Limassol pp 1-5. d.o.i:10.1109/ISCCSP.2010.5463306

38.  L. Cander, H. Haralambous Ionospheric Total Electron Content and critical frequencies over Nicosia at solar minimum, Beacon Satellite Symposium (BSS2010) pp 1-4 Barcelona 2010.

39.  H. Haralambous, B. Bidaine Comparison of GPS-derived vTEC over Cyprus with NEQUICK model, Beacon Satellite Symposium  (BSS2010) pp 1-4 Barcelona 2010.

40.  Papadopoulos H, Haralambous H Reliable Predictive Intervals for the Critical Frequency of the F2 Ionospheric Layer, Volume 215 pp 1123-1124  19th European Conference on Artificial Intelligence ( ECAI2010) Lisbon 2010.

41.  H Haralambous , A. Mahrous  , P Vryonides , A Shemis Multi-instrument ionospheric disturbance detection over the Eastern Mediterranean region, IEEE Geoscience and Remote Sensing  Symposium (IGARSS2010) pp 3541-3544 Hawaii August 2010.

42.  Papadopoulos H, Haralambous H, Neural Networks Regression Inductive Conformal Predictor and its Application to the Prediction of Total Electron Content 20th International Conference on Artificial Neural Networks (ICANN09) September 2009 Salonica Lecture Notes in Computer Science, 2010, Volume 6352/2010, 32-41, DOI: 10.1007/978-3-642-15819-3_4.

43.  A Agapitos, A Konstantinidis, H Haralambous, H Papadopoulos, Evolutionary Prediction of Total Electron Content over Cyprus 20th International Conference on Artificial Neural Networks AIAI-10 October 2010 Limassol IFIP Advances in Information and Communication Technology, 2010, Volume 339/2010, 387-394, DOI: 10.1007/978-3-642-16239-8_50.

44.  P. Vryonides , L. Economou , Haralambous H, t. A study of sporadic E layer characteristics over Cyprus. Progress in Electromagnetic Research Symposium (PIERS 2011), March 2011 Marrakesh, Morocco.

45.  Haralambous H,  Investigation of ionospheric slab thickness behaviour over Cyprus during minimum solar activity. Progress in Electromagnetic Research Symposium (PIERS 2011), March 2011 Marrakesh, Morocco.

46.   Haralambous, A. Ioannou and H. Papadopoulos. A Neural Network Tool for the Interpolation of foF2 Data in the Presence of Sporadic E Layer. In Proceedings of the 12th International Conference on Engineering Applications of Neural Networks (EANN 2011), IFIP AICT 363, pp. 306-314. Springer, September 2011 Korfu, Greece.

47.  E. Tsolaki, H. Haralambous, H. Papadopoulos, Forecasting Total Electron Content over Cyprus,Proceedings of the 24th Panhellenic Conference of the Greek Statistical Institute.

48.  H Haralambous, H Papadopoulos, A Neural Network for spatial and temporal modeling of foF2 data based on satellite measurements AIAI-12 September 2012 Halkidiki IFIP Advances in Information and Communication Technology, 2012.

49.  C. Oikonomou, H. Haralambous and S. Perdikou Comparison of atmospheric humidity profilies obtained by cosmic satellites and radiosonde over Cyprus, First International Conference on Remote Sensing and Geoinformation of Environment Paphos Cyprus RSCy 2013 8-10 April 2013.

50.  K.Alazo Cuartas, H. Haralambous, B.Nava, S.M. Radicella foF2 reconstruction over Nicosia by slant TEC ingestion into the  NEQUICK model, Beacon Satellite Symposium (BSS2013) Bath UK July 2013.

51.  H Haralambous , Detection of sporadic E layers over the Eastern Mediterranean, IEEE Geoscience and Remote Sensing  Symposium (IGARSS2013) Melbourne Australia July 2013.

52.  H Haralambous , C. Oikonomou Study of topside electron density profiles obtained by COSMIC satellites and an ionosonde over Cyprus during a four year period, IEEE Geoscience and Remote Sensing  Symposium (IGARSS2013) Melbourne Australia July 2013.

53.  H Haralambous, H Papadopoulos, Developing an electron density profiler over Europe based on space radio occultation measurements AIAI-13 October 2013 Paphos.

54.  K. Alazo Cuartas, H. Haralambous, B. Nava and S. M. Radicella  foF2 reconstruction over Nicosia by slant TEC ingestion into the NeQuick, Beacon Satellite Symposium (BSS2014) Bath 2014 UK.

55.  H Haralambous,P Vryonides HF interference temporal and spectral characteristics over the eastern Mediterranean, 10th Communications International Conference, in Bucharest, Romania May 2014.

56.  H Haralambous , C. Oikonomou Study of the topside electron density profiles obtained by COSMIC satellites and ionosondes over Europe during a 4 year period, International Symposium on Radio Systems and Space Plasma (ISRSSP 2014) Ruse Bulgaria October 2014.

57.  C. Oikonomou  H Haralambous, Impact of recent geomagnetic storms on ionospheric characteristics over Europe, International Symposium on Radio Systems and Space Plasma (ISRSSP 2014) Ruse Bulgaria October 2014.

58.  M. G. Mostafa, H. Haralambous Impact of Enhanced X-Ray Flux on the Ionosphere over Cyprus During Strong Solar Flares, Third International Conference on Remote Sensing and Geoinformation of Environment Paphos Cyprus RSCy 2015 16-19 March 2015.

59.  Haralambous H, Papadopoulos H, Developing an Ann Electron Density Profile Model Over Cyprus Based on Ionosonde Measurements, Third International Conference on Remote Sensing and Geoinformation of Environment Paphos Cyprus RSCy 2015 16-19 March 2015.

60.  Haralambous H, M. G. Mostafa,  HF spectral occupancy over the eastern Mediterranean 14th Ionospheric Effects Symposium May 2015 Washington (IES2015)  Washington.

61.  Haralambous H, C. Oikonomou  Investigation of earthquake signatures on the Ionosphere over Europe14th Ionospheric Effects Symposium May 2015 Washington (IES2015)  Washington.

62.  M. G. Mostafa, H. Haralambous, S. P. Majumder Ionospheric Measurements over Bangladesh and Their Significance on Radio Systems Operation, 1st IEEE International Conference on Telecommunications and Photonics (ICTP) 2015 27-28 December, 2015 Bangladesh .

Proceedings of International Conferences published as abstracts:

63.  Haralambous H, G. Dekoulis,P. Vryonides, Operation of a new fully automated digisonde (DPS-4D) in Cyprus   12th International Symposium on Equatorial Aeronomy (ISEA12) May 2008 Crete.

64.  H Haralambous , A. Mahrous  , P Vryonides , A Shemis  Monitoring of Ionospheric Weather Over Cyprus and Egypt   12th International Symposium on Equatorial Aeronomy (ISEA12) May 2008 Crete. 

65.  Haralambous H  The Effect of Increased Absorption on the HF Spectrum due to a PCA Event 12th Ionospheric Effects Symposium May 2011 Washington (IES2008)  Washington.

66.  H. Haralambous, L. Economou  Developments on the analysis and modeling of the usage of the HF Spectrum within COST 296, European Geosciences Union General Assembly (EGU2009) April 2009 Vienna.

67.  E.M. Warrington, E. Tulunay and the COST-296 WG2 Team  A Review of Working Group 2 (Advanced Terrestrial Systems) of the COST 296 Action, European Geosciences Union General Assembly (EGU2009) April 2009 Vienna.

68.  L. Cander, H. Haralambous,  Behaviour of the F2 peak ionosphere over Nicosia during quiet and disturb conditions from new DPS-4D ionosonde data, European Geosciences Union General Assembly (EGU2009) April 2009 Vienna.

69.  H. Haralambous , L. Cander,  Space weather events: Ionospheric critical frequencies and total electron content over Nicosia, 2nd GNSS Vulnerabilities and Solutions 2009 Conference September 2009 Baska.

70.  H Haralambous , A. Mahrous  , P Vryonides , A Shemis ,  Monitoring of Ionospheric Weather Over Cyprus and Egypt first results International Association of Geomagnetism and Aeronomy IAGA 11th Scientific Assembly August 2009 Sopron.

71.  Haralambous H, P. Vryonides,L. Economou ,   Enhancements in the critical frequency foF2 over Cyprus during a low solar activity period in the absence of pronounced geomagnetic activity 6th European Space Weather Week (ESWW6) November 2009 Brugges.

72.  L. Cander, H. Haralambous,  Observations of ionospheric variability and storm-time variations at Nicosia, European Geosciences Union General Assembly (EGU2010) Vienna 2010.

73.  Haris Haralambous, Photos Vrionides, Lefteris Economou, Luigi Ciraolo, Ljiljana Cander Ionospheric response to the major geomagnetic storm during maximum solar activity, European Geosciences Union General Assembly (EGU2010) Vienna 2010.

74.  H. Haralambous, L. Economou, Pantjiaros C.A, Christofi L Monitoring of HF Spectral Occupancy in Cyprus: First results, APS/URSI Symposium  Toronto 2010.

75.  H. Haralambous, H. Tsolaki  A variability and statistical study of foF2 over Cyprus, APS/URSI Symposium Toronto 2010.

76.  A.  Mahrous ,T Garner, A Shemis, H Haralambous Ionospheric responses during moderate magnetic storm over the mid to near-equatorial latitude using multi-instrument measurement, Committee on space research Scientific Assembly (COSPAR 2010).

77.  Haralambous H, L. Economou , P. Vryonides,   Comparison of foF2 values extracted from DIAS maps and ionosonde measurements at Nicosia during low solar activity 7th European Space Weather Week (ESWW7) November 2010 Brugges.

78.  L. Economou ,Haralambous H,   Comparison between IRI-2007 predictions and ionosonde measurements of hmF2 at Nicosia during low solar activity 7th European Space Weather Week (ESWW7) November 2010 Brugges.

79.  Haralambous H  Comparison of electron density profiles extracted from DIAS maps and ionosonde measurements at Nicosia during low solar activity XXX URSI General Assembly and Scientific Symposium of International Union of Radio Science August 2011 Istanbul.

80.  Haralambous H, S. Anaksagora, L. Economou , P. Vryonides,   Comparison of GPS-derived vTEC over Cyprus with IRI-2007 XXX URSI General Assembly and Scientific Symposium of International Union of Radio Science August 2011 Istanbul.

81.  P. Vryonides, H. Haralambous, M. Fragoudi Spread F Observations during Low Solar activity over Cyprus XXX URSI General Assembly and Scientific Symposium of International Union of Radio Science August 2011 Istanbul.

82.  Haralambous Haris, Leontiou Theodoros, Anaxagora Stelios,   Comparison between foF2 values extracted from DIAS maps and COSMIC measurements over Europe  8th European Space Weather Week (ESWW8) November 2011 Brugges.

83.  L. Economou ,Haralambous H,,   F region drift observations over Cyprus  8th European Space Weather Week (ESWW8) November 2011 Brugges.

84.  Haralambous H, Climatology during a low solar activity and enhancements in the critical frequency foF2 over Cyprus in the absence of pronounced geomagnetic activity   13th International Symposium on Equatorial Aeronomy (ISEA12) March 2012 Lima.

85.  P. Vryonides, Haralambous H Ionospheric behaviour over Cyprus driven by moderate geomagnetic storms in the rising phase of the current solar cycle 13th International Symposium on Equatorial Aeronomy (ISEA12) March 2012 Lima. 

86.  H. Haralambous, L. Economou, Vryonides P Monitoring of HF Spectral Occupancy over the Eastern Mediterranean, APS/URSI Symposium  Chicago 2012.

87.  Haralambous H, S. Anaksagora  Study of Peak Electron Density Obtained by COSMIC, Ionosondes and IRI Model over Europe During a Four Year Period, APS/URSI Symposium  Chicago 2012.

88.  Haralambous H,  Model Considerations of E-region Critical Frequency Data (foE) over Cyprus. Progress in Electromagnetic Research Symposium (PIERS 2012), August 2012 Moscow.

89.  P. Vryonides, H. Haralambous, C Tomouzos, G Pelopidas Investigation of Ionospheric Slab Thickness and Plasmaspheric TEC Using Satellite Measurements Progress in Electromagnetic Research Symposium (PIERS 2012), August 2012 Moscow.

90.  Haralambous Haris, L. Economou   Contribution of Cyprus to COST ES0803  9th European Space Weather Week (ESWW9) November 2012 Brussels.

91.  H. Haralambous, L. Economou, Vryonides P Diurnal and seasonal variability of HF Spectral Occupancy over the eastern Mediterranean, APS/URSI Symposium  Orlando USA 2013.

92.  H. Haralambous, L. Economou, H Papadopoulos, Vryonides P Modelling HF Spectral Occupancy over the eastern Mediterranean, APS/URSI Symposium  Orlando USA 2013.

93.  H Haralambous, P Vryonides  A comparison between automatically and manually scaled ionospheric characteristics over Cyprus from 2009 to 2012 International Association of Geomagnetism and Aeronomy IAGA 12th Scientific Assembly August 2013 Yucatan, Mexico.

94.  H Haralambous, P Vryonides, T.Leontiou  A five year validation study of the IRI-STORM model International Association of Geomagnetism and Aeronomy IAGA 12th Scientific Assembly August 2013 Yucatan, Mexico.

95.  H. Haralambous, C. Oikonomou, and S. Perdikou Investigation of earthquake signatures, Second International Conference on Remote Sensing and Geoinformation of Environment Paphos Cyprus RSCy 2014 7-10 April 2014.

96.  H Haralambous, P Vryonides, T.Leontiou Comparison of reconstructed F2 layer peak parameters over Cyprus by slant TEC ingestion into the NeQuick model and manually scaled data, European Geosciences Union General Assembly (EGU2014) Vienna April 2014.

97.  M. Pezzopane, B. Zolesi, M. Pietrella, H. Haralambous, C. Oikonomou, Lj. R. Cander Ionospheric Prediction and Forecasting Services in Mediterranean Area, European Geosciences Union General Assembly (EGU2014) Vienna April 2014.

98.  Haris Haralambous, Photos Vrionides, V. Dobrica, C. Demetrescu, G. Maris, D. Ionescu IRI STORM VALIDATION OVER EUROPE, European Geosciences Union General Assembly (EGU2014) Vienna April 2014.

99.  H Haralambous,P Vryonides Impact of Space Weather effects on the ionosphere, 14th International Balkan Workshop on Applied Physics and Materials Science Costanta Romania July 2014. .

100.  Haris Haralambous, Study of bottomside electron density profiles obtained by COSMIC and the Cyprus digisonde, Asia Oceania Geosciences Society  11th Annual Meeting  (AOGS2014) Sapporo Japan July 2014.

101.  H. Haralambous, C. Oikonomou, and C. Haldoupis, Sporadic-E Characteristics Over the Eastern Mediterranean, Asia Oceania Geosciences Society 11th Annual Meeting  (AOGS2014) Sapporo Japan July 2014.

102.  H. Haralambous, C. Oikonomou,M. Pezzopane, B. Zolesi, M. Pietrella, Lj. R. Cander Assimilation of Real Time Data into Local Ionospheric Prediction and Forecasting Mediterranean Model, Committee on space research Scientific Assembly COSPAR 2014 Moscow August 2014.

103.  H. Haralambous, C. Oikonomou,M. Comparison between IRI predictions and digisonde measurements of F-layer characteristics at Nicosia, Committee on space research Scientific Assembly COSPAR 2014 Moscow August 2014.

104.  H Haralambous, L. Economou, M. Koutalianos HF Spectral occupancy over the Eastern mediterranean  XXXI URSI General Assembly and Scientific Symposium of International Union of Radio Science August 2014 Beijing.

105.  H Haralambous, C. Oikonomou, M. Pezzopane, B. Zolesi, M. Pietrella, L. R. Cander Validation of the Cyprus Ionospheric Forecasting Service  XXXI URSI General Assembly and Scientific Symposium of International Union of Radio Science August 2014 Beijing.

106.  Haris Haralambous, Photos Vrionides, V. Dobrica, C. Demetrescu, G. Maris, D. Ionescu Effects of major storm events of the current solar cycle over Europe 13th Solar-Terrestrial Physics Symposium (STP 13) October 2014 Xian China.

107.  H Haralambous, T.Leontiou Comparison of Formosat-3/COSMIC Electron Density Profiles with IRI During Disturbed Conditions 13th Solar-Terrestrial Physics Symposium (STP 13) October 2014 Xian China.

108.  L. Economou, H Haralambous, M. Pezzopane, B. Zolesi, M. Pietrella, L. R. Cander,   Validation of the Cyprus Ionospheric Forecasting Service during disturbed geomagnetic conditions  11th European Space Weather Week (ESWW11) November 2014 Liege.

109.  C. Oikonomou, Haris Haralambous, P Vrionides, V. Dobrica, C. Demetrescu, G. Maris, D. Ionescu,   IRI STORM validation over Europe  11th European Space Weather Week (ESWW11) November 2014 Liege.

110.  Venera DOBRICA, Crisan DEMETRESCU, Georgeta MARIS MUNTEAN, Diana IONESCU,  H Haralambous, Razvan GRECULEASA, Defining contemporary trends in space climate change and space weather. Geomagnetic and heliospheric signals, Asia Oceania Geosciences Society 13th Annual Meeting  (AOGS2015) Singapore August 2015.

111.  Iren-Adelina Moldovan, Angela Petruta Constantin, Konstantinos Katzis, Haris Haralambous, Dragos Toma-Danila, Pier Francesco Biagi The INFREP European VLF/LF monitoring network-present status and preliminary results of the Cyprus monitoring system, 15th International Balkan Workshop on Applied Physics and Materials Science Costanta Romania July 2015.

112.  Eduard Nastase, Haris Haralambous, Christina Oikonomou, Alexandra Muntean, Doru Mateciuc, Iren Adelina Moldovan Investigation of earthquake signatures on the ionosphere using TEC values over the European region , 15th International Balkan Workshop on Applied Physics and Materials Science Costanta Romania July 2015.

113.  Christina Oikonomou, Haris Haralambous, Iren Adelina Moldovan Investigation of pre-earthquake ionospheric anomalies related to global M>5.8 eartquakes, 15th International Balkan Workshop on Applied Physics and Materials Science Costanta Romania July 2015.

114.  A. Paul, Haralambous H Study of the effect of March 17-18, 2015 geomagnetic storm on the midlatitude ionosphere using the European Digital Ionosonde network (DIAS) 2nd URSI-Regional Conference on Radio Science (URSI-RCRS-2015), Jawaharlal Nehru University, New Delhi, India from 16-19 November, 2015.

115.  H Haralambous, C. Oikonomou, Strong spatial and temporal variations of ionospheric characteristics over Europe driven by trough displacements during geomagnetic storms  Solar Variability and its Heliospheric Effects Greece November 2015 Athens.

116.  Garcia-Rigo, A.; Roma, D.; Hernandez, M.; Li, Z.; Terkildsen, M.; Ghoddousi-Fard, R.; Dettmering, D.; Erdogan, E.; Haralambous, H. et. al, IAG’s real time ionosphere monitoring working group: current status, outcomes and first results  IAG Commission 4 Positioning and Applications Symposium September 5, 2016, Wroclaw, Poland.

117.  I Moldovan, C Oikonomou, H Haralambous, E Nastase, V E Toader, P F Biagi, R Colella, ,D Toma-Danila Investigation of Ionospheric Anomalies related to moderate Romanian earthquakes occurred during last decade using VLF/LF INFREP and GNSS Global Networks, European Geosciences Union General Assembly (EGU2017) Vienna April 2017.

118.  C Oikonomou, A Belehaki, I Tsagouri, H Haralambous Investigation of Sporadic E tidal variability and characteristics observed with the Athens Digisonde, European Geosciences Union General Assembly (EGU2017) Vienna April 2017.

119.  Alberto García-Rigo and the Real Time Ionosphere Monitoring Working Group (RTIM-WG) St. Patrick’s Day 2015 geomagnetic storm analysis based on Real Time Ionosphere Monitoring, European Geosciences Union General Assembly (EGU2017) Vienna April 2017.