PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-02:58:00
G02     199.6          22.9                7.8 +/-    3.11      15.9 +/-    3.11  0.050 / 0.090
G06     173.1          52.8                6.6 +/-    0.51       8.0 +/-    0.51  0.070 / 0.080
G13     227.7          12.9                3.4 +/-    3.48       9.0 +/-    3.48  0.030 / 0.030
G17     19.5           61.0                4.1 +/-    0.80       4.6 +/-    0.80  0.030 / 0.030
G19     324.9          71.0                3.3 +/-    0.49       3.5 +/-    0.49  0.030 / 0.040
G24     310.3          29.2                2.9 +/-    0.91       5.1 +/-    0.91  0.040 / 0.040
G28     88.9           39.0                4.8 +/-    1.10       7.1 +/-    1.10  0.080 / 0.110
G30     155.9          11.0                8.0 +/-    2.92      21.7 +/-    2.92  0.080 / 0.110