PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-23:28:00
G10     252.9          28.7               12.4 +/-    2.32      22.4 +/-    2.32  0.040 / 0.030
G13     51.2           28.2                8.0 +/-    1.38      14.6 +/-    1.38  0.040 / 0.040
G15     85.9           58.7               10.0 +/-    0.85      11.5 +/-    0.85  0.120 / 0.330
G16     291.5          15.8                8.5 +/-    2.47      20.8 +/-    2.47  0.120 / 0.310
G20     258.8          28.3               13.6 +/-    3.17      24.7 +/-    3.17  0.130 / 0.210
G21     335.6          61.3                9.6 +/-    0.49      10.8 +/-    0.49  0.170 / 0.190
G26     263.8          14.6               11.3 +/-    2.26      28.3 +/-    2.26  0.030 / 0.040
G29     165.9          48.2               10.6 +/-    0.72      13.7 +/-    0.72  0.020 / 0.040