PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-00:43:10
G02     83.4           13.8                7.8 +/-    0.95      20.0 +/-    0.95  0.090 / 0.160
G05     44.7           31.8                6.0 +/-    0.85      10.2 +/-    0.85  0.100 / 0.150
G13     97.9           32.4                8.5 +/-    1.14      14.2 +/-    1.14  0.190 / 0.290
G15     143.8          38.5               10.2 +/-    0.92      15.2 +/-    0.92  0.160 / 0.300
G20     234.3          22.6               11.0 +/-    2.78      22.8 +/-    2.78  0.090 / 0.180
G21     297.1          35.5                8.5 +/-    2.10      13.4 +/-    2.10  0.140 / 0.090
G25     209.3          26.6               11.3 +/-    1.07      21.2 +/-    1.07  0.060 / 0.130
G26     306.6          17.4                7.8 +/-    1.20      18.2 +/-    1.20  0.070 / 0.130
G29     45.6           85.6               10.0 +/-    0.26      10.0 +/-    0.26  0.040 / 0.070