PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-10:28:10
G02     214.6          56.1                5.8 +/-    1.85       6.9 +/-    1.85  0.060 / 0.080
G06     65.8           76.7                6.8 +/-    0.59       6.9 +/-    0.59  0.050 / 0.070
G12     317.8          34.5                4.4 +/-    1.75       7.0 +/-    1.75  0.040 / 0.100
G17     56.8           31.7                5.0 +/-    0.67       8.5 +/-    0.67  0.050 / 0.090
G19     32.4           53.1                5.6 +/-    0.75       6.9 +/-    0.75  0.030 / 0.030
G24     263.3          43.0                4.3 +/-    0.85       6.0 +/-    0.85  0.030 / 0.020
G28     120.5          16.9                6.9 +/-    1.01      16.4 +/-    1.01  0.040 / 0.050