PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-10:12:30
G02     200.9          23.8                5.5 +/-    1.04      11.0 +/-    1.04  0.120 / 0.300
G06     166.6          58.5                6.2 +/-    0.90       7.1 +/-    0.90  0.080 / 0.320
G13     223.2          11.0                5.3 +/-    1.70      14.3 +/-    1.70  0.120 / 0.390
G17     24.6           57.8                4.6 +/-    0.52       5.3 +/-    0.52  0.190 / 0.370
G19     340.9          70.1                4.9 +/-    0.55       5.1 +/-    0.55  0.080 / 0.120
G24     308.0          30.7                4.3 +/-    1.02       7.4 +/-    1.02  0.070 / 0.110
G28     86.5           44.0                4.8 +/-    0.67       6.6 +/-    0.67  0.030 / 0.040
G30     158.3          13.3                5.2 +/-    4.19      13.5 +/-    4.19  0.030 / 0.050