PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-12:27:40
G02     234.2          72.5                5.0 +/-    0.25       5.3 +/-    0.25  0.080 / 0.090
G05     175.1          11.3               -4.7 +/-   12.81     -12.7 +/-   12.81  0.070 / 0.090
G06     41.5           60.5                4.1 +/-    0.49       4.6 +/-    0.49  0.040 / 0.050
G12     321.5          50.3                3.4 +/-    0.66       4.3 +/-    0.66  0.040 / 0.050
G17     67.1           25.1                4.1 +/-    1.90       8.1 +/-    1.90  0.040 / 0.040
G19     54.9           38.8                2.6 +/-    1.14       3.9 +/-    1.14  0.030 / 0.040
G24     250.5          36.3                5.5 +/-    1.77       8.5 +/-    1.77  0.060 / 0.080
G28     129.0          10.2                3.8 +/-    6.70      10.6 +/-    6.70  0.060 / 0.070