PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/28-00:57:40
G02     19.3           65.7                7.7 +/-    0.51       8.3 +/-    0.51  0.090 / 0.330
G05     153.8          49.6               14.3 +/-    1.15      18.1 +/-    1.15  0.130 / 0.320
G06     45.8           29.1                6.3 +/-    0.57      11.2 +/-    0.57  0.070 / 0.100
G12     260.0          78.9                9.8 +/-    0.77      10.0 +/-    0.77  0.060 / 0.100
G19     88.5           17.5               10.9 +/-    1.39      25.5 +/-    1.39  0.060 / 0.090
G24     216.5          11.8               13.7 +/-    2.84      36.7 +/-    2.84  0.050 / 0.070
G25     310.9          43.3                7.6 +/-    1.74      10.5 +/-    1.74  0.030 / 0.050
G29     298.9          21.7                9.2 +/-    1.20      19.4 +/-    1.20  0.040 / 0.040