PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-00:27:40
G05     49.4           15.4                7.3 +/-    1.15      17.9 +/-    1.15  0.120 / 0.350
G10     237.1          13.5               13.1 +/-    2.76      33.8 +/-    2.76  0.130 / 0.290
G13     73.9           36.2               11.0 +/-    0.83      17.1 +/-    0.83  0.100 / 0.270
G15     125.4          53.0               13.7 +/-    0.62      16.7 +/-    0.62  0.130 / 0.330
G16     311.8          13.7                8.7 +/-    2.80      22.3 +/-    2.80  0.060 / 0.090
G20     246.1          27.2               13.1 +/-    1.54      24.3 +/-    1.54  0.060 / 0.070
G21     313.7          47.2               10.5 +/-    1.03      13.7 +/-    1.03  0.150 / 0.240
G26     284.4          20.7                9.2 +/-    1.60      20.0 +/-    1.60  0.150 / 0.330
G29     157.4          71.9               11.4 +/-    0.88      11.9 +/-    0.88  0.030 / 0.040