PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-03:58:10
G03     190.8          19.6                5.5 +/-    1.15      12.3 +/-    1.15  0.380 / 0.540
G07     293.9          40.6                5.5 +/-    4.23       7.9 +/-    4.23  0.460 / 0.290
G08     140.6          29.6                8.2 +/-    1.43      14.4 +/-    1.43  0.060 / 0.090
G09     320.9          68.1                5.7 +/-    0.56       6.1 +/-    0.56  0.060 / 0.080
G16     42.6           34.2                4.5 +/-    0.98       7.2 +/-    0.98  0.030 / 0.030
G23     124.3          76.2                4.1 +/-    0.63       4.2 +/-    0.63  0.030 / 0.030
G27     96.6           34.4                6.8 +/-    1.00      10.9 +/-    1.00  0.120 / 0.140
G30     275.2          12.4                4.4 +/-    7.37      11.5 +/-    7.37  0.140 / 0.190