PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/26-03:58:00
G01     310.4          31.7                6.8 +/-    1.75      11.4 +/-    1.75  0.150 / 0.230
G10     101.4          41.6                6.6 +/-    0.72       9.4 +/-    0.72  0.130 / 0.120
G11     287.2          27.1                3.6 +/-    1.18       6.8 +/-    1.18  0.070 / 0.130
G14     343.1          69.2                5.7 +/-    0.67       6.1 +/-    0.67  0.090 / 0.120
G18     283.6          49.6               12.9 +/-    1.78      16.3 +/-    1.78  0.040 / 0.050
G20     117.7          17.8                6.0 +/-    2.12      13.8 +/-    2.12  0.040 / 0.040
G22     308.3          21.8                5.1 +/-    0.99      10.7 +/-    0.99  0.060 / 0.060
G25     87.8           14.8                4.8 +/-    3.17      12.1 +/-    3.17  0.050 / 0.050
G31     167.2          60.9                8.4 +/-    0.81       9.5 +/-    0.81  0.030 / 0.030
G32     29.5           56.7                5.1 +/-    1.32       6.0 +/-    1.32  0.030 / 0.030