PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-22:12:40
G05     48.5           20.6               11.1 +/-    0.95      24.1 +/-    0.95  0.140 / 0.250
G10     237.0          12.3               19.7 +/-    4.43      52.2 +/-    4.43  0.140 / 0.290
G13     76.2           37.4               14.8 +/-    0.72      22.4 +/-    0.72  0.130 / 0.430
G15     124.4          52.6               18.3 +/-    0.63      22.3 +/-    0.63  0.120 / 0.540
G16     315.3          11.3               10.6 +/-    3.67      28.8 +/-    3.67  0.050 / 0.070
G18     246.4          42.5               18.4 +/-    1.02      25.7 +/-    1.02  0.040 / 0.080
G20     29.9           64.5               14.9 +/-    0.63      16.3 +/-    0.63  0.070 / 0.150
G21     314.2          48.3               13.7 +/-    0.62      17.6 +/-    0.62  0.060 / 0.180
G26     289.0          19.5               12.8 +/-    1.51      28.4 +/-    1.51  0.030 / 0.040
G29     155.1          67.7               15.6 +/-    0.95      16.8 +/-    0.95  0.020 / 0.050