PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/16-01:28:10
G10     268.4          39.0               11.5 +/-    0.83      17.0 +/-    0.83  0.120 / 0.220
G13     41.3           17.3                9.2 +/-    1.53      21.6 +/-    1.53  0.110 / 0.130
G15     59.4           49.8                8.7 +/-    0.49      11.0 +/-    0.49  0.060 / 0.040
G16     276.4          11.8               10.0 +/-    9.26      26.7 +/-    9.26  0.050 / 0.040
G20     282.4          49.5               11.9 +/-    0.54      15.1 +/-    0.54  0.130 / 0.280
G21     3.2            72.2               10.3 +/-    0.67      10.8 +/-    0.67  0.130 / 0.290
G24     118.2          15.1               13.3 +/-    1.30      33.0 +/-    1.30  0.090 / 0.230
G27     318.1          19.8                9.6 +/-    1.86      21.2 +/-    1.86  0.120 / 0.270
G29     168.5          30.8               10.4 +/-    0.91      17.8 +/-    0.91  0.280 / 0.450
G32     204.0          11.9                0.6 +/-   39.98       1.7 +/-   39.98  0.350 / 0.600