PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/26-08:13:00
G01     110.3          23.7                7.3 +/-    2.30      14.7 +/-    2.30  0.040 / 0.060
G07     102.1          59.3                5.8 +/-    0.49       6.7 +/-    0.49  0.050 / 0.060
G08     42.2           22.0                2.2 +/-    1.02       4.6 +/-    1.02  0.060 / 0.080
G09     175.1          16.3                5.4 +/-    1.46      13.1 +/-    1.46  0.050 / 0.090
G11     92.9           41.4                5.8 +/-    0.37       8.2 +/-    0.37  0.070 / 0.110
G13     313.2          24.9                4.8 +/-    1.72       9.3 +/-    1.72  0.050 / 0.130
G17     204.0          36.4                6.3 +/-    1.79       9.8 +/-    1.79  0.030 / 0.040
G19     208.0          11.3                2.1 +/-   11.40       5.7 +/-   11.40  0.030 / 0.040
G28     312.3          60.4                5.0 +/-    0.68       5.6 +/-    0.68  0.100 / 0.170
G30     9.5            75.6                4.5 +/-    0.57       4.7 +/-    0.57  0.070 / 0.200