PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/16-18:57:50
G02     226.5          67.7               15.2 +/-    1.17      16.3 +/-    1.17  0.180 / 0.380
G05     174.5          10.2               -6.4 +/-   23.74     -17.7 +/-   23.74  0.090 / 0.130
G06     43.9           63.7               13.1 +/-    0.49      14.4 +/-    0.49  0.130 / 0.110
G12     321.9          48.1               11.3 +/-    1.26      14.6 +/-    1.26  0.040 / 0.030
G17     65.0           26.7                8.7 +/-    2.69      16.3 +/-    2.69  0.040 / 0.040
G19     47.0           45.5               12.5 +/-    1.54      16.8 +/-    1.54  0.030 / 0.050
G24     251.8          38.4               14.8 +/-    2.39      22.1 +/-    2.39  0.050 / 0.050