PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/29-03:58:10
G01     45.1           21.2                3.9 +/-    2.62       8.4 +/-    2.62  0.030 / 0.060
G06     178.7          29.6                7.1 +/-    0.80      12.5 +/-    0.80  0.030 / 0.050
G11     43.9           11.0                3.0 +/-    2.21       8.2 +/-    2.21  0.130 / 0.200
G13     244.7          26.4                4.7 +/-    1.68       8.8 +/-    1.68  0.200 / 0.130
G15     276.3          14.6                2.1 +/-    1.07       5.3 +/-    1.07  0.140 / 0.190
G17     341.0          75.5                5.4 +/-    0.45       5.6 +/-    0.45  0.100 / 0.240
G19     261.1          65.8                5.7 +/-    0.58       6.1 +/-    0.58  0.390 / 0.390
G24     318.6          12.8                1.9 +/-    3.89       5.0 +/-    3.89  0.190 / 0.240
G28     63.3           49.5                5.2 +/-    0.61       6.7 +/-    0.61  0.030 / 0.020
G30     151.4          30.9                7.6 +/-    0.89      13.1 +/-    0.89  0.020 / 0.020