期刊名称:International Journal of Computer Science and Network Security
印刷版ISSN:1738-7906
出版年度:2008
卷号:8
期号:9
页码:154-160
出版社:International Journal of Computer Science and Network Security
摘要:The ionosphere layer is very important to the communication system. The ions produced from the striking process of the ultra violet light have an active role in reflecting and observing the earth radio waves. This layer also is an unstable medium because it is vulnerable to several distortions which affect its physical condition. Studies of Total Electron Content (TEC) have given important relationship to the ionospheric layers due to high density of electron concentration at F region. Total Electron Content (TEC) measurements from ground stations to Global Positioning System (GPS) satellite provide a rich source of information about the Earth��s ionosphere. This research involves the determination of TEC content in ionosphere based on single layer model in order to determine the appropriate TEC value for Malaysia. This research assessing the errors translated from the code-delay to the carrier-phase ionospheric observable by the so-called ��Levelling Process�� which is applied to reduce carrier phase ambiguities from the data.