PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/11-09:28:10
G02     213.4          58.5                6.3 +/-    1.24       7.3 +/-    1.24  0.070 / 0.090
G06     65.9           76.0                5.1 +/-    0.84       5.3 +/-    0.84  0.040 / 0.100
G12     318.0          36.5                3.4 +/-    0.94       5.3 +/-    0.94  0.040 / 0.050
G17     54.4           34.1                3.5 +/-    0.59       5.7 +/-    0.59  0.040 / 0.050
G19     37.7           49.4                3.6 +/-    0.66       4.5 +/-    0.66  0.040 / 0.060
G24     271.1          41.4                3.9 +/-    0.97       5.5 +/-    0.97  0.040 / 0.050
G28     117.9          23.3                5.7 +/-    0.72      11.7 +/-    0.72  0.080 / 0.230