PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/02-12:58:00
G02     245.0          75.8                2.6 +/-    0.73       2.7 +/-    0.73  0.090 / 0.250
G05     173.3          15.2                3.2 +/-    2.28       7.9 +/-    2.28  0.080 / 0.250
G06     40.2           56.1                3.7 +/-    0.51       4.3 +/-    0.51  0.070 / 0.090
G12     321.7          54.4                3.0 +/-    0.93       3.6 +/-    0.93  0.070 / 0.110
G17     70.6           22.7                2.4 +/-    1.21       4.9 +/-    1.21  0.170 / 0.350
G19     59.1           36.1                2.3 +/-    0.41       3.6 +/-    0.41  0.130 / 0.270
G24     245.7          34.0                5.0 +/-    1.04       8.1 +/-    1.04  0.050 / 0.040
G25     316.3          12.3                2.9 +/-    4.55       7.7 +/-    4.55  0.060 / 0.040