PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-12:58:00
G02     347.9          78.5                1.4 +/-    0.63       1.4 +/-    0.63  0.040 / 0.090
G05     166.0          32.3                4.9 +/-    0.95       8.1 +/-    0.95  0.040 / 0.080
G06     40.8           43.7                1.2 +/-    0.72       1.6 +/-    0.72  0.030 / 0.040
G12     311.9          69.7                1.7 +/-    0.98       1.8 +/-    0.98  0.030 / 0.040
G19     76.2           25.9                2.6 +/-    0.66       5.1 +/-    0.66  0.130 / 0.220
G24     229.8          23.2                4.2 +/-    2.20       8.6 +/-    2.20  0.160 / 0.250
G25     317.2          30.1                3.1 +/-    3.74       5.3 +/-    3.74  0.050 / 0.050
G29     288.5          13.5                4.0 +/-    3.29      10.2 +/-    3.29  0.030 / 0.060