TY  - BOOK
AU  - Anand Raj, R
TI  - Kalman filter estimation of ionospheric tec and differential instrumental biases over low latitude using dual frequency GPS observations
T2  - IISc, Dept. of AE, M.Sc. Thesis
U1  - 629.453 
PY  - 2006///
CY  - Bangalore
PB  - IISc
ER  -