PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-10:27:40
G01     78.6           33.3                4.5 +/-    1.39       7.4 +/-    1.39  0.040 / 0.070
G07     133.3          36.1                6.8 +/-    1.14      10.6 +/-    1.14  0.070 / 0.070
G11     57.7           34.0                4.8 +/-    1.91       7.8 +/-    1.91  0.030 / 0.030
G13     282.4          38.1                7.6 +/-    0.78      11.4 +/-    0.78  0.030 / 0.030
G15     312.0          10.7               -5.7 +/-   11.46     -15.6 +/-   11.46  0.050 / 0.090
G17     223.6          65.0                7.4 +/-    1.06       8.1 +/-    1.06  0.060 / 0.110
G18     53.2           20.2                2.9 +/-    6.24       6.3 +/-    6.24  0.050 / 0.040
G19     219.7          31.7                6.1 +/-    1.18      10.4 +/-    1.18  0.040 / 0.040
G28     5.7            60.9                4.0 +/-    1.32       4.5 +/-    1.32  0.060 / 0.080
G30     126.6          69.8                7.7 +/-    0.39       8.2 +/-    0.39  0.070 / 0.080