PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-03:27:50
G01     315.8          24.0                5.7 +/-    2.39      11.4 +/-    2.39  0.030 / 0.030
G10     89.6           49.9                5.9 +/-    0.47       7.5 +/-    0.47  0.030 / 0.040
G11     294.3          27.6                4.0 +/-    2.03       7.4 +/-    2.03  0.120 / 0.350
G14     326.3          71.2                6.6 +/-    1.00       7.0 +/-    1.00  0.120 / 0.330
G18     107.4          24.8                7.3 +/-    0.92      14.3 +/-    0.92  0.090 / 0.190
G22     304.0          15.8                5.7 +/-    2.25      13.9 +/-    2.25  0.130 / 0.150
G25     90.9           11.6                6.6 +/-    1.63      17.7 +/-    1.63  0.040 / 0.050
G31     175.2          49.3                7.9 +/-    0.86      10.1 +/-    0.86  0.040 / 0.050
G32     16.2           63.4                4.8 +/-    0.79       5.3 +/-    0.79  0.120 / 0.310