PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/14-07:27:50
G01     62.8           31.4                3.7 +/-    1.25       6.3 +/-    1.25  0.080 / 0.130
G07     140.9          23.0                5.9 +/-    2.69      12.1 +/-    2.69  0.120 / 0.100
G11     48.6           24.3                4.0 +/-    1.85       8.0 +/-    1.85  0.080 / 0.080
G13     265.1          36.4                6.2 +/-    2.36       9.6 +/-    2.36  0.080 / 0.080
G15     298.6          15.0               -0.9 +/-    2.27      -2.2 +/-    2.27  0.080 / 0.090
G17     255.1          77.3                6.5 +/-    0.28       6.6 +/-    0.28  0.090 / 0.090
G18     42.2           12.5                2.4 +/-    1.61       6.4 +/-    1.61  0.260 / 0.330
G19     229.4          45.3                7.2 +/-    2.11       9.6 +/-    2.11  0.150 / 0.150
G28     28.6           58.3                3.0 +/-    1.13       3.5 +/-    1.13  0.090 / 0.080
G30     142.3          56.7                7.5 +/-    0.61       8.7 +/-    0.61  0.070 / 0.070