GPS Receiver and Satellite DCB Estimation using Ionospheric TEC

Details GPS Receiver and Satellite DCB Estimation using Ionospheric TEC GPS Receiver and Satellite DCB Estimation using Ionospheric TEC

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009jass...26..221c&link_type=abstract

Journal of Astronomy and Space Sciences. Vol. 26, no. 2, 221-228

Astronomy and Astrophysics

Astronomy

1

Differential Code Bias, Total Electron Content, Gps Network

Scientific paper

We estimated the receiver and satellite differential code bias (DCB) based on the ionospheric total electron content (TEC) estimation method. The GPS network which has been operated by the Korea Astronomy and Space Science Institute (KASI) was designed to calculate TEC. The receiver and satellite DCB values were obtained from the weighted least square method with time interval for one hour. The results represented that the receiver DCB values are mostly varying within ±2 meter and are derived comparatively stable within three days. The estimated mean values of the satellite DCB show the maximum and minimum values of 4.09 nano-second (ns), --6.28ns respectively. We could detect great variations of TEC over 9 TECU difference at any time when the DCB sets were applied to TEC estimation.

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