PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-08:13:10
G02     199.2          15.7                4.6 +/-    4.07      11.3 +/-    4.07  0.090 / 0.170
G06     171.1          48.0                7.7 +/-    0.79       9.9 +/-    0.79  0.090 / 0.200
G13     229.9          17.4                3.7 +/-    1.59       8.8 +/-    1.59  0.050 / 0.070
G17     14.6           64.6               -1.9 +/-    0.54      -2.0 +/-    0.54  0.060 / 0.070
G19     309.2          72.5                5.4 +/-    0.71       5.6 +/-    0.71  0.040 / 0.030
G24     313.7          24.0                3.6 +/-    1.25       7.2 +/-    1.25  0.030 / 0.030
G28     73.8           49.3                6.0 +/-    0.72       7.7 +/-    0.72  0.110 / 0.190
G30     157.4          22.9                6.8 +/-    1.43      14.0 +/-    1.43  0.120 / 0.180