PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/26-05:57:50
G01     309.0          31.7                4.7 +/-    1.66       7.9 +/-    1.66  0.040 / 0.020
G10     102.7          43.0                4.9 +/-    0.72       6.8 +/-    0.72  0.050 / 0.030
G11     282.1          29.8                7.1 +/-    1.71      12.5 +/-    1.71  0.130 / 0.180
G14     355.4          67.5                4.0 +/-    1.11       4.3 +/-    1.11  0.070 / 0.160
G18     114.9          18.1                5.8 +/-    1.86      13.3 +/-    1.86  0.070 / 0.170
G22     308.7          24.8                4.5 +/-    2.53       8.7 +/-    2.53  0.070 / 0.160
G25     80.2           15.2                4.6 +/-    1.06      11.3 +/-    1.06  0.040 / 0.060
G31     168.8          62.2                8.6 +/-    0.79       9.5 +/-    0.79  0.040 / 0.060
G32     32.2           55.0                3.8 +/-    1.11       4.6 +/-    1.11  0.060 / 0.030