PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/24-01:57:40
G01     113.4          21.9                6.5 +/-    0.95      13.6 +/-    0.95  0.070 / 0.070
G07     94.9           62.9                4.5 +/-    0.88       5.0 +/-    0.88  0.060 / 0.060
G08     43.2           27.1                3.3 +/-    0.96       6.1 +/-    0.96  0.060 / 0.110
G09     176.7          20.6                6.7 +/-    1.17      14.5 +/-    1.17  0.060 / 0.110
G11     100.8          41.8                5.8 +/-    0.63       8.2 +/-    0.63  0.050 / 0.090
G13     314.8          23.3                1.7 +/-    1.45       3.4 +/-    1.45  0.040 / 0.090
G17     203.7          30.7                7.4 +/-    3.35      12.8 +/-    3.35  0.030 / 0.040
G28     306.2          59.8                4.0 +/-    0.86       4.6 +/-    0.86  0.040 / 0.040
G30     13.6           75.2                5.0 +/-    0.62       5.2 +/-    0.62  0.110 / 0.160