PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/26-06:12:50
G01     270.2          41.0                5.9 +/-    2.11       8.5 +/-    2.11  0.050 / 0.040
G03     315.8          29.0                3.0 +/-    1.94       5.4 +/-    1.94  0.030 / 0.050
G10     130.0          16.4                3.5 +/-    1.26       8.5 +/-    1.26  0.060 / 0.060
G11     249.5          19.8                4.3 +/-    2.43       9.4 +/-    2.43  0.040 / 0.070
G14     41.6           51.3                2.7 +/-    1.45       3.4 +/-    1.45  0.150 / 0.320
G18     233.7          38.8                5.5 +/-    1.34       8.1 +/-    1.34  0.130 / 0.260
G22     314.0          52.6                3.9 +/-    0.59       4.8 +/-    0.59  0.090 / 0.060
G25     51.6           16.3                0.7 +/-    4.01       1.8 +/-    4.01  0.090 / 0.060
G31     52.6           70.9                3.8 +/-    0.57       3.9 +/-    0.57  0.130 / 0.170
G32     65.7           30.6                3.6 +/-    1.16       6.2 +/-    1.16  0.180 / 0.210