PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-01:27:50
G01     94.7           30.7                5.5 +/-    1.00       9.5 +/-    1.00  0.040 / 0.040
G07     121.6          49.1                5.6 +/-    0.41       7.2 +/-    0.41  0.040 / 0.040
G08     42.2           12.4                2.2 +/-    3.25       5.8 +/-    3.25  0.180 / 0.310
G11     76.3           42.3                4.0 +/-    0.90       5.6 +/-    0.90  0.140 / 0.150
G13     299.7          34.0                3.3 +/-    1.77       5.3 +/-    1.77  0.030 / 0.040
G17     212.2          48.4                6.2 +/-    0.69       7.9 +/-    0.69  0.030 / 0.050
G19     212.9          23.9                7.1 +/-    2.28      14.3 +/-    2.28  0.060 / 0.100
G28     342.8          61.9                3.1 +/-    0.59       3.5 +/-    0.59  0.080 / 0.080
G30     99.1           74.4                4.9 +/-    0.94       5.1 +/-    0.94  0.030 / 0.070