PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-04:57:50
G01     84.5           32.7                5.6 +/-    0.65       9.3 +/-    0.65  0.090 / 0.290
G07     129.7          39.1                8.0 +/-    0.38      11.8 +/-    0.38  0.100 / 0.330
G11     61.7           36.6                4.4 +/-    0.35       6.8 +/-    0.35  0.080 / 0.100
G13     288.5          37.7                4.1 +/-    1.10       6.2 +/-    1.10  0.070 / 0.110
G15     313.2          10.9               -1.6 +/-   16.63      -4.4 +/-   16.63  0.040 / 0.080
G17     217.6          61.2                7.3 +/-    1.07       8.2 +/-    1.07  0.040 / 0.080
G18     56.1           20.9                3.4 +/-    0.97       7.3 +/-    0.97  0.030 / 0.040
G19     216.8          29.3                7.9 +/-    2.91      14.0 +/-    2.91  0.030 / 0.040
G28     353.8          61.6                5.4 +/-    1.15       6.1 +/-    1.15  0.090 / 0.100
G30     116.4          74.0                7.1 +/-    0.79       7.4 +/-    0.79  0.090 / 0.090