PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-23:58:00
G01     56.3           29.0                7.2 +/-    0.68      12.8 +/-    0.68  0.070 / 0.080
G06     182.3          14.0                3.9 +/-   31.90       9.9 +/-   31.90  0.070 / 0.060
G07     143.0          15.0                9.2 +/-    3.14      22.8 +/-    3.14  0.110 / 0.370
G11     46.1           19.8                6.8 +/-    1.98      15.0 +/-    1.98  0.130 / 0.350
G13     257.7          34.5               10.9 +/-    1.58      17.5 +/-    1.58  0.060 / 0.070
G15     290.2          16.4                6.9 +/-    2.40      16.5 +/-    2.40  0.060 / 0.080
G17     282.1          79.7                8.8 +/-    0.77       9.0 +/-    0.77  0.050 / 0.050
G19     235.7          53.3                9.7 +/-    1.63      11.8 +/-    1.63  0.050 / 0.040
G28     35.5           57.5                7.8 +/-    0.67       9.1 +/-    0.67  0.160 / 0.270
G30     145.9          48.7               10.5 +/-    0.78      13.5 +/-    0.78  0.120 / 0.260