IEEE Catalog Number: ISBN:

CFP1384H-POD 978-1-4673-5232-1

2013 International Conference on Space Science and Communication (IconSpace 2013)

Melaka, Malaysia 1 – 3 July 2013

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TABLE OF CONTENT

Conference Background

i

Organizer & Technical Sponsor ii

Editors iv

Authors Index v

List of Reviewers xviii

Organizing Committee xxiii

Foreword by Director of Institute of Space Science (ANGKASA) UKM xxv

Foreword by Chairperson of IconSpace 2013 xxvi

Foreword by Technical Program Chair And Chair Of Ieee Malaysia Communication Society & Vehicular Technology Society Joint Chapter

xxvii

Keynote 1 (Biodata and Abstract) xxviii

Keynote 2 (Biodata and Abstract) xxx

Keynote 3 (Biodata and Abstract) xxxii

Keynote 4 (Biodata and Abstract) xxxiv

Invited Speakers xxxvi

Conference Schedule xxxvii

Table of Content

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SESSION 1 : Astrophysics and Astronomy 1 (AA 1)

AA 1.1

Using the Palomar Transient Factory to Search for Ultra-Long-Period Cepheid Candidates in M31. Chien-Hsiu Lee; Chow-Choong Ngeow; Michael Ting-Chang Yang; Wing-Huen Ip (National Central University, Taiwan); Albert Kwok-Hing Kong (National Tsing Hua University, Taiwan); Russ R. Laher; Jason Surace (California Institute of Technology, USA).

1

AA 1.2

Preliminary Analysis of ULPC Light Curves Using Fourier Decomposition Technique. Chow-Choong Ngeow (National Central University, Taiwan); Scott Lucchini (University of Rochester, USA); Shashi Kanbur; Brittany Barrett (SUNY Oswego, USA); Bin Lin (University of Rochester, USA).

7

AA 1.3

Determination of Microturbulent Velocity of ί Herculis. Noor Masdiana Md. Said; Mazlina M. Razelan; Abdul Halim Abdul Aziz; Chong Hong Yew (Universiti Sains Malaysia); Mohd Zambri Zainuddin (Universiti Malaya).

13

AA 1.4

Distribution of Energetic Particle Fluxes in the Vicinity of SAA According to Kriging Interpolation Wayan Suparta; Gusrizal; Mohd Alauddin Mohd Ali (Universiti Kebangsaan Malaysia); Nizam Ahmad (LAPAN, Indonesia).

17

AA 1.5

An Aero-capture Strategy for Human Rated Interplanetary Exploration Missions. Muhammad Imran Afzal; Abdul Majid (Institute of Space Technology, Pakistan).

23

AA 1.6

The Study of Solar Cycle 24 Effect on THEOS PiradaTechavijit; Ravit Sachasiri (Geo-Informatics and Space Technology Development Agency, Thailand).

28

AA 1.7

GPS Positioning Errors Modeling Using Global Ionospheric Scintillation Model (GISM). Ho Yih Hwa (Universiti Teknikal Malaysia Melaka); Sabirin Abdullah; Mohd Hezri Mokhtar (Universiti Kebangsaan Malaysia).

33

AA 1.8

Expansion of a Y-shaped Array Antennas for Radio Astronomy. Shahideh Kiehbadroudinezhad; Chee Kyun Ng; Nor Kamariah Noordin (Universiti Putra Malaysia).

39

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SESSION 2 : Satellite and Communication Technology 1 (SCT 1)

SCT

1.2

Optimization of Radial Line Slots Array Antenna Design for Satellite Communications Solomon Zakwoi Iliya; Tharek Abdul Rahman; HashimuIddi; S.I. Orakwue; Olakunle Elijah , (Universiti Teknologi Malaysia); Teddy Purnamirza (Universitas Islam Sultan Syarif Kasim, Indonesia)

45

SCT

1.3

Sun Outage Calculator for Satellite Communications Jouko Vankka (Department of Military Technology, Finland); Antti Kestilä (Aalto University School of Science and Technology, Finland)

51

SCT

1.4

Improving ITU-R Rain Attenuation Model for HAPS Earth-Space Link Ahmad Faizal Mohd Zain; Assadeq Abolhaoshat Albendag; (Universiti Malaysia Pahang, Malaysia)

56

SCT

1.5

Design and Verification of a Shaped-beam Reflector Antenna for Malaysia Beam Coverage Nurul Huda Abd Rahman; Mohammad Tariqul Islam; Norbahiah Misran (Universiti Kebangsaan Malaysia); Yoshihide Yamada; Naobumi Michishita (National Defense Academy, Japan)

60

SCT

1.6

Investigation of Low Frequency Emissions Due to Interfacing Cables in RE 102 Jawad Yousaf; Muhammad Amin (Institute of Space Technology, Islamabad, Pakistan); Sana Iqbal (Space & Upper Atmosphere Research Commission of Pakistan (SUPARCO))

65

SCT

1.7

Performance Considerations of LTE-A Femtocell Networks Under Different Load Variations Sawsan Ali Saad; Mahamod Ismail; Rosdiadee Nordin (Universiti Kebangsaan Malaysia)

70

SCT

1.8

A Comparative Study on Metamaterial for Antenna in Space Application Pankaj Rameshchandra Katiyar; Wan Nor Liza Wan Mahadi (University of Malaya, Malaysia)

74

SCT

1.9

Preliminary Results of Ionospheric Delay Gradients Study Near Suvarnabhumi Airport in Thailand Sarawoot Runraengwajiake; Pornchai Supnithi; Prasert Kenpankho (King Mongkut's Institute of Technology Ladkrabang, Thailand); Susumu Saito (Electronic Navigation Research Institute, Thailand); Nattapong Siansawasdi (Aeronautical Radio of Thailand); Apitep

79

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Saekow (Stamford International University, Thailand)

SESSION 3 : Atmospheric Sciences 1 (AS 1)

AS 1.1

Variability of TEC At Mid Latitude with Solar Activity During the Solar Cycle 23 and 24 Azad A. Mansoori; Parvaiz Ahmad Khan; A.K. Gwal; Purushottam Bhawre (Barkatullah University, Bhopal, India); P.K. Purohit (National Institute of Technical Teachers Training and Research, Bhopal, India).

83

AS 1.2

Investigation of Ionospheric Response Due to Tohoku Earthquake Using GPS Satellite Measurements Norbaizura Yaso; Alina Marie Hasbi; Mardina Abdullah (Universiti Kebangsaan Malaysia)

88

AS 1.3

Some Preliminary Results of the Fine Structure Profiles of Radio Refractivity Near the Surface Alex A. Willoughby; Omotosho Temidayo Victor (Covenant University, Nigeria); Mandeep Singh (Universiti Kebangsaan Malaysia)

92

AS 1.4

One Year Results of One Minute Rainfall Rate Measurement in Ota Nigeria Omotosho Temidayo Victor; Alex A. Willoughby; Akinyemi Marvel Lola (Covenant University, Nigeria); Mandeep Singh; Mardina Abdullah (Universiti Kebangsaan Malaysia)

98

AS 1.5

Incidences of Anomalous Propagation of Microwave Radio Signals Over Akure, Nigeria Adekunle Adediji; Mahamod Ismail; Mandeep Singh (Universiti Kebangsaan Malaysia)

102

AS 1.6

Short-term Forecasting Ionospheric Delay over UKM, Malaysia, using the Holt-Winter Method Nouf Abd Elmunim Ahmed Ismail; Mardina Abdullah; Alina Marie Hasbi; Siti Aminah Bahari (Universiti Kebangsaan Malaysia)

106

AS 1.7

Significant of Earth's Magnetic Field and Ionospheric Horizontal Gradient to GPS Signals Karthigesu Nagarajoo; Chong Sze Fah (University Tun Hussein Onn Malaysia)

110

AS 1.8

Investigation of GPS PWV Variation During Lightning Activity Due to Topographic Effects Wayan Suparta; Ja’afar Adnan; Mohd Alauddin Mohd Ali (Universiti Kebangsaan Malaysia)

115

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SESSION 4 : Astrophysics and Astronomy 2 & Space Education (AE)

AE 0.1

Beamwidth and Gain Analysis on V-Shape Dipole-based Antenna for Radio Astronomy Application Radial Anwar; Mohammad Tariqul Islam; Norbahiah Misran; Geri Gopir; Baharudin Yatim (Universiti Kebangsaan Malaysia); Mhd Fairos Asillam (National Space Agency of Malaysia)

120

AE 0.2

Detection of Orbital Debris Using Self-Interference Cancellation Residual Signal Sriram Jayasimha; Jyothendar Paladugula (Signion Systems, India)

124

AE 0.3

Observation of GPS TEC Depletions Due to Equatorial Plasma Bubbles During Solar Flare Norsuzila Ya'acob; Siti Nuriana Suhaimy; Azita Laily Yusof; Nur Idora Abd Razak (Universiti Teknologi MARA, Malaysia)

128

AE 0.4

Optimization of Dipole-Based Antenna for 21cm Line Observation Asnor Nadirah Ishak; Mohammad Tariqul Islam; Norbahiah Misran; Geri Gopir; Baharudin Yatim (Universiti Kebangsaan Malaysia); Mhd Fairos Asillam (National Space Agency, Malaysia)

134

AE 0.7

ANGKASA Research Knowledge Organization System: A Needs Analysis Study Kalaivani Chellappan; Sabirin Abdullah (Universiti Kebangsaan Malaysia)

137

AE 0.8

Competition for pre-University Students in Malaysia: Design Your Own Cubesat Jitkai Chin; Ooi Pei Cheng; Asad Rahman; Lim Siew Shee (University of Nottingham, Malaysia); Tengku Farah Wahida Ku Chik (National Space Agency, Malaysia)

141

SESSION 5 : Satellite and Communication Technology 2 (SCT 2)

SCT 2.1

An EMC Retrofit to Reduce Radiated Emission Levels in Housings/Enclosures of Space-borne Systems Sana Iqbal (Space & Upper Atmosphere Research Commission of Pakistan (SUPARCO)); Muhammad Amin (Institute of Space Technology, Islamabad, Pakistan)

145

SCT 2.2

The Relation Between Amplitudes of a Global-Mode Pc 5 Pulsations and Geosynchronous Electron Fluxes Magdi Elfadil Yousif Suliman; Akimasa Yoshikawa; Kiyohumi Yumoto; Hideaki Kawano; Teiji Uozumi; Shuji Abe; Maria Gracita Cardinal

150

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(Kyushu University, Japan); Paolo Palangio (Osservatorio di L'Aquila, Italy); Lynn Kaisan (Pacific Tsunami Warning Center, USA)

SCT 2.3

Phase Variation Analysis of Triangular Radiating Elements on Polycrystalline Silicon Cell. Arshad Selamat; Norbahiah Misran; Mohammad Tariqul Islam (Universiti Kebangsaan Malaysia)

156

SCT 2.4

Performance Analysis of Rain Attenuation at KU-Band in Malaysia Abdulmajeed H.J Aljumaily; Aduwati Sali; Alyani Ismail; Ali M. Al-Saegh (Universiti Putra Malaysia); Mandeep Singh (Universiti Kebangsaan Malaysia)

160

SCT 2.5

A Low Cost GNSS Software Receiver Design with SEE Mitigation Approach for Microsatellites Nikita D. Bedmutha; Punam N. Biraris; Jaydeep P. Shah (K. K. Wagh Institute of Engineering Education & Research, India)

164

SCT 2.6

Error Probability in Spread Spectrum (SS) Audio Watermarking Shervin Shokri; Mahamod Ismail; Nasharuddin Zainal; Abdollah Shokri (Universiti Kebangsaan Malaysia)

169

SCT 2.7

Higher Performance Secure Outer Space Communications At Lower Cost Utilizing Commercial Components Shoaib Zaidi; Syeda Areej Kamal; Ayesha Anwer; Syeda Batool Fatima; Muhammad Haris Sheikh; Samreen Burki (NED University of Engineering and Technology, Pakistan)

174

SCT 2.8

A Study on Downsizing of an Inverted FL Antenna Using Dielectric Materials Hiroki Kobayashi; Nguyen Tuan Hung; Hisashi Morishita (National Defense Academy, Japan); Takahiro Matsumoto; Yasumasa Norisue (Mitsubishi Gas Chemical Company, Inc.).

178

SCT 2.9

A Bandwidth Enhanced Printed Dipole Antenna with Metamaterial-Inspired Loading Mimi Aminah Wan Nordin; Mohammad Tariqul Islam; Norbahiah Misran (Universiti Kebangsaan Malaysia)

182

SESSION 6 : Atmospheric Sciences 2 (AS 2)

AS 2.1

Seasonal Variation of Total Electron Content at Equatorial Station, Langkawi, Malaysia Zahira Mohd Radzi; Mardina Abdullah; Alina Marie Hasbi; Mandeep Singh; Siti Aminah Bahari (Universiti Kebangsaan Malaysia)

186

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AS 2.2

Modeling of Weighted Mean Temperature Over the Western Pacific Region to Estimate GPS PWV Wayan Suparta; Ahmad Iskandar (Universiti Kebangsaan Malaysia)

190

AS 2.3

Brief Study of Equatorial Electrojet and Global Sq Currents At Southeast Asia Region Nurul Shazana Abdul Hamid; Huixin Liu; Teiji Uozumi; Kiyohumi Yumoto (Kyushu University)

194

AS 2.4

The Variation of Critical Frequency of E Layer Over Chumphon, Thailand Prasert Kenpankho; Pornchai Supnithi; Poramintra Wongcharoen; Kasemsuk Sepsirisuk; Suthichai Noppanakeepong; Somkiat Lerkvaranyu; (King Mongkut's Institute of Technology Ladkrabang, Thailand); Takuya Tsugawa; Tsutomu Nagatsuma (National Institute of Information and Communications Technology, Nukuikita, Koganei, Tokyo)

198

AS 2.5

Phase Scintillations At the Polar Ionosphere Mariyam Jamilah Homam (Universiti Tun Hussein Onn Malaysia); E.M. Warrington; A.J. Stocker (University of Leicester)

202

AS 2.6

GNSS Ionospheric Scintillation and TEC Monitoring Using GPStation-6 Rod MacLeod (Novatel Inc., Australia); Surendran Shanmugam (Novatel Inc., Canada)

207

AS 2.7

GPS Derived Ionospheric TEC Response to Annular Solar Eclipse Over Indian Region on 15 January 2010 Sampad Kumar Panda; Shirishkumar S. Gedam; Girija Rajaram (Indian Institute of Technology Bombay, India)

213

AS 2.8

Observation of Tweek Atmospherics in Vietnamese Low Latitude Region Using a Simple VLF Receiver Le Minh Tan (Tay Nguyen University, Vietnam)

219

SESSION 7 : Remote Sensing 1 (RS 1)

RS 1.1

Combination of Radar and Optical Remote Sensing Data for Land Cover/Use Mapping Sim Chong Keat; Khiruddin Abdullah; Mohd. Zubir Mat Jafri; Lim Hwee San (Universiti Sains Malaysia)

224

RS 1.2

An Initial Assessment of Ground Based Lidar Backscattered Signal in Penang Island Fuyi T; Abdullah K; Lim H. S; M. Z. Mat Jafri (Universiti Sains Malaysia); Ellsworth J.Welton; Simone Lolli (NASA Goddard Space

228

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Flight Center, USA)

RS 1.3

A Comparison of Atmospheric Correction Techniques for Environmental Applications Fuyi T.; Mohammed S. K.; Abdullah K.; Lim H. S.; Ishola, K.S. (Universiti Sains Malaysia)

233

RS 1.4

Analysis of Edge Detection Algorithms for Feature Extraction in Satellite Images Syed Jahanzeb Hussain Pirzada; Ayesha Siddiqui (Space and Upper Atmosphere Research Commission (SUPARCO), Karachi, Pakistan)

238

RS 1.6

A Comparison of ANFIS and MLP Models for the Prediction of Precipitable Water Vapor Wayan Suparta; Kemal Maulana Alhasa (Universiti Kebangsaan Malaysia)

243

RS 1.7

VLF Observation of D-Region Disturbances Associated with Solar Flares At UKM Selangor Malaysia Mohd Masri Abd Rashid; Mahamod Ismail; Mohammad Mohammadpour Salut; Alina Marie Hasbi; Mardina Abdullah (Universiti Kebangsaan Malaysia)

249

SESSION 8 : Satellite and Communication Technology 3 (SCT 3)

SCT 3.1

Multi-State Frequency Switchable Reflectarray Antenna Design Muhammad Inam Abbasi; Muhammad Yusof Ismail (Universiti Tun Hussein Onn Malaysia); Ahmad Faizal Mohd Zain (Universiti Malaysia Pahang); Norbahiah Misran (Universiti Kebangsaan Malaysia)

253

SCT 3.2

Slotted Dipole Microstrip Antenna Embedded on Paper Materials for Long Range Communications Wan Nor Zaihasra Wan Salleh; Muhammad Yusof Ismail (Universiti Tun Hussein Onn Malaysia)

257

SCT 3.3

Isosceles-Triangular Microstrip Loop Resonator Antenna Seyi Stephen Olokede; Mohd Fadzil Ain; Arjuna Marzuki; Mohd Z. Abdullah; Julie J. Mohammd; Srimala Sreekantan; Sabar D. Hutagalung; Zainal A. Ahmad (Universiti Sains Malaysia)

263

SCT 3.4

Impact of Modulation Techniques on Aggregated LTE-Advanced Mohammad Faiz Liew Abdullah (Universiti Tun Hussein Onn Malaysia; Aws Zuheer Yonis (Universitiy of Mosul, Iraq)

267

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SCT 3.5

Scattering Phase Performance of Varactor Diode Across Ring's Gap Reconfigurable Reflectarray Element Marlina Ramli; Norbahiah Misran; Mohd Fais Mansor; Mohammad Tariqul Islam (Universiti Kebangsaan Malaysia)

272

SCT 3.6

Adaptive Modulation for Space-Time Block Code OFDM Systems Based on the Dispersion of Symbol Mustafa Dh. Hassib; Mandeep Singh; Mahamod Ismail; Rosdiadee Nordin; Mardina Abdullah; Mohammad Tariqul Islam (Universiti Kebangsaan Malaysia)

276

SCT 3.7

Study of Solar Activity Impact on THAICHOTE (THEOS) Orbit Thanawach Nilnarong (Geo-Informatics and Space Development Agency (GISTDA), Thailand)

280

SCT 3.8

Designing Shaped Dual Reflector Antenna System by Ray Tracing Method Md. Rezwanul Ahsan; Mohammad Tariqul Islam; Norbahiah Misran (Universiti Kebangsaan Malaysia); Yoshihide Yamada (National Defense Academy, Japan)

285

SESSION 9 : Others (G)

G 0.1

New Algorithm for Leader Election in Distributed WSN with Software Agents Ehsan Amiri (Islamic Azad University Branch of Bushehr Science and Research, Iran); Afshin Shahreiari Fahleiani (Islamic Azad University, Mamasani Branch, Iran); Hossein Moradzadeh (Asia Pacific University of Technology and Innovation, Malaysia); Komaki Shozo; Hassan Keshavarz (Universiti Teknologi Malaysia)

290

G 0.2

Application of Game Theory to Underlay Ad-Hoc Cognitive Radio Networks: An Overview Omar B. Abdulghafoor; Mahamod Ismail; Rosdiadee Nordin (Universiti Kebangsaan Malaysia)

296

G 0.3

A Planar Wideband Microstrip Patch Antenna for UHF RFID Tag Mohd Saiful Riza Bashri; Muhammad I. Ibrahimy; S. M. A. Motakabber (International Islamic University Malaysia)

302

G 0.4

Generic Vertical Handover Prediction Algorithm for 4G Wireless Networks Abubakar Miyim; Mahamod Ismail; Rosdiadee Nordin; Gita Mahardhika (Universiti Kebangsaan Malaysia)

307

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G 0.5

Selective Weight Setting Algorithm in Cognitive Radio Network Under Resource Limitation Israna Hossain Arka; Mahamod Ismail (Universiti Kebangsaan Malaysia); Ayman A. El-Saleh (Multimedia University, Malaysia)

313

G 0.6

Aircraft Trailing Vortices - Cirrus Cloud Interaction and Green Aircraft Technology: An Overview Harijono Djojodihardjo (Universiti Putra Malaysia)

318

G 0.7

Modeling and Simulation of a High Accurate Aircraft Ground-based Positioning and Landing System Ahmad Abbas Al-Ameen Salih; Amzari Zhahir; O.K. Ariff; Mohamed Tarmizi Ahmad (Universiti Putra Malaysia)

324

G 0.8

Performance Analysis of Coded Cooperative Diversity in Distributed Systems Oluseye Adeleke; M. F. M Salleh (Universiti Sains Malaysia)

331

SESSION 10 : Remote Sensing 2 & Smart Materials for Space

Applications (RS 2)

RS 2.1

Preliminary Study: Spectral Reflectance Properties of Microalgae in Freshwater Fairooz Johan; Mohd Zubir Mat Jafri; Hwee-San Lim; Chong Keat Sim (Universiti Sains Malaysia);

337

RS 2.2

The Use of Landsat TM Data in the Study of Total Suspended Solids in Merbok Estuary, Kedah Syazwani Mohd Yusop; Khiruddin Abdullah; Md Noordin Abu Bakar (Universiti Sains Malaysia)

341

RS 2.3

Data Compression Technique for High Resolution Wireless Photoplethysmograph Recording System Chong Kim Soon; E. Zahedi; Gan Kok Beng; Mohd Alauddin Mohd Ali (Universiti Kebangsaan Malaysia)

345

RS 2.4

Climate Change Impact on Flow Discharge of Neelum River Catchment Using Snowmelt Runoff Model Muhammad Badar Munir (SUPARCO, Pakistan)

350

RS 2.5

Security in Wireless Sensor Networks: Issues and Challenges Ahmad Salehi Shahraki; Mohammad Abdur Razzaque; Parisa Naraei; Ali Farrokhtala (Universiti Teknologi Malaysia)

356

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RS 2.6

Detection of Sinkhole Attack in Wireless Sensor Networks Ahmad Salehi Shahraki; Mohammad Abdur Razzaque; Parisa Naraei; Ali Farrokhtala (Universiti Teknologi Malaysia)

361

RS 2.7

Effect of Heat Treatment on TiAl Alloy Hossein Fallahi; Jamaluddin Abdullah; Noor Hanizah Zulkurnaini (Universiti Sains Malaysia)

366

RS 2.8

Development of a Composite Solid Propellant Based Upon Phase Stabilised Ammonium Nitrate Mohd Izzed Mustaffa; Salahuddin Shuard; Mohd Noh Mohd Anwar (Astronautic Technology (M) Sdn. Bhd., Malaysia)

370

SESSION 11 : Satellite and Communication Technology 4 (SCT 4)

SCT 4.1

Mobility and Propagation Models in Multi-hop Cognitive Radio Networks Salman Saadat (King Khalid University, Saudi Arabia)

375

SCT 4.2

Evaluation of RazakSAT's S-band Link Signal Measurement with the Radar Derived Rain Attenuation Khairayu Badron; Ahmad Fadzil Ismail; Huda Adibah Mohd Ramli (International Islamic University Malaysia); Maszlan Ismail; Sock Theng Ooi; Siti Farashida Jamil (National Space Agency, Malaysia)

380

SCT 4.3

Energy-Driven Scheduling for Digital Video Broadcasting - Satellite Second Generation (DVB-S2) Liah L. Thian; Ali M. Al-Saegh; Khairul F. Ramli; Nur Syahirah Ibrahim; Aduwati Sali; Mustafa Ismael Salman (Universiti Putra Malaysia)

385

SCT 4.4

Analysis of Ring and C-shaped Reflectarray Antenna Element for Monopulse Application Kamarulzaman Mat; Norbahiah Misran; Mohammad Tariqul Islam; Mohd Fais Mansor (Universiti Kebangsaan Malaysia)

391

SCT 4.5

Improved Rain Attenuation Reduction Factors for Tropical Region Folasade Abiola Semire; Rosmiwati Mohd-Mokhtar; Widad Ismail; Norizah Mohamad (Universiti Sains Malaysia); Mandeep Singh (Universiti Kebangsaan Malaysia)

397

SCT 4.6

Rain Induced Attenuation Studies Using RazakSat Space-Earth Links Amirah Che Mohd Nuroddin; Ahmad Fadzil Ismail; Khairayu Badron: N. F. Zulkurnain (International Islamic University Malaysia); Maszlan Ismail; Hamid Salim (National Space Agency, Malaysia)

402

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SCT 4.7

Probabilistic Dust Storm Layers Impacting Satellite Communications Kamal M Harb; Samir H. Abdul-Jauwad; Omair Butt, Abdul Aziz Al-Yami (King Fahd University of Petroleum & Minerals, Saudi Arabia)

407

SCT 4.8

Effects of Dielectric Substrate on Performance of UWB Archimedean Spiral Antenna Fauziahanim Che Seman; A. M. Shire (Universiti Tun Hussein Onn Malaysia)

412

SESSION 12 : Atmospheric Sciences 3 (AS 3)

AS 3.2

Seasonal Variations of Amplitude Scintillation Events Using GPS Data at Malaysia Aramesh Seif; Mardina Abdullah; Alina Marie Hasbi (Universiti Kebangsaan Malaysia)

416

AS 3.3

Locating Tweeks Atmospherics Source Using World-Wide Lightning Location Network (WWLLN) Data Siti Nurbaiti Ibrahim; Khairul Khaizi Mohd Shariff; Ahmad Asari Sulaiman); Mohamad Fahmi Hussin; Syed Abdul Mutalib Al Junid (Universiti Teknologi MARA, Malaysia); Mardina Abdullah (Universiti Kebangsaan Malaysia)

420

AS 3.4

F-layer Peak Height Variation Near the Equatorial Anomaly Crest During Moderate Solar Activity Zeti Akma Rhazali (Universiti Tenaga Nasional, Malaysia); Ahmad Faizal Mohd Zain (Universiti Malaysia Pahang)

424

AS 3.5

Characterization of GPS PWV During Flooding Event Over Keningau, Sabah Maszidah Muhammad; Mandeep Singh; Mardina Abdullah; Fredolin Tangang; Wayan Suparta; Mohammad Tariqul Islam (Universiti Kebangsaan Malaysia)

429

AS 3.6

TEC and Scintillation Observed Over Ho Chi Minh, Vietnam During 2009-2012 Dao Ngoc Hanh Tam; Duong Van Vinh (Vietnam Academy of Sciences and Technology, Vietnam)

434

AS 3.7

Determination of Gyrofrequency From Critical Frequency Measurements Over Parit Raja, Malaysia Sabirin Abdullah (Universiti Kebangsaan Malaysia); Ahmad Faizal Mohd Zain (Universiti Malaysia Pahang); Zeti Akma Rhazali (Universiti Tenaga Nasional, Malaysia)

440

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AS 3.8

Investigation of the Nighttime D-Region Ionosphere Characteristics at Palmer Station Antartica by Using Tweek Atmospherics Khairul Khaizi Mohd Shariff; Syed Abdul Mutalib Al Junid; Zulkifli Othman; Zanurlida Tengah; Abdul Rahman Abdul Latif (Universiti Teknologi MARA, Malaysia)

444

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