PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/28-14:42:20
G02     24.4           61.5                8.0 +/-    0.35       9.0 +/-    0.35  0.040 / 0.040
G05     153.3          54.4               11.0 +/-    0.82      13.1 +/-    0.82  0.030 / 0.050
G06     50.0           20.0                5.5 +/-    0.67      12.1 +/-    0.67  0.050 / 0.060
G12     207.3          74.9                7.8 +/-    0.70       8.1 +/-    0.70  0.070 / 0.080
G19     94.7           11.9                8.5 +/-    1.31      22.9 +/-    1.31  0.030 / 0.030
G25     306.0          47.6                7.0 +/-    2.20       9.1 +/-    2.20  0.030 / 0.030
G29     301.7          22.3                6.5 +/-    1.79      13.6 +/-    1.79  0.100 / 0.160