Authors: Nafisi, Vahab; Sattari, Mehran; Shahraki, Mehdi Momeni

Source: Survey Review, Volume 38, Number 296, April 2005 , pp. 165-173(9)

Publisher: Maney Publishing

Abstract:

It is possible to use single frequency GPS receivers to estimate the Total Electron Content (TEC). In this research, we improved an algorithm presented by Giffard [2], that is based on a least squares solution. We investigated the effect of the use of different weights (elevation of satellites, signal to noise ratio, combination of elevation and signal to noise ratio) and different block sizes on TEC estimates. We found that these parameters had a significant impact on TEC estimates based on this algorithm. Our research is based on observations at the GPS site of the Esfahan University made with single frequency 12-channel Leica System 500 receivers.

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/003962605791482134

Publication date: 2005-04-01

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