PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-09:58:00
G01     255.7          37.2                6.2 +/-    1.43       9.4 +/-    1.43  0.040 / 0.080
G03     316.5          40.8                6.7 +/-    1.90       9.7 +/-    1.90  0.040 / 0.090
G11     240.9          14.3                6.0 +/-    1.69      15.1 +/-    1.69  0.090 / 0.110
G14     52.8           46.3                3.5 +/-    0.71       4.7 +/-    0.71  0.070 / 0.090
G18     224.3          30.6                7.1 +/-    1.36      12.3 +/-    1.36  0.110 / 0.210
G22     307.4          65.9                5.2 +/-    0.56       5.6 +/-    0.56  0.130 / 0.200
G25     42.9           12.4                0.8 +/-    1.01       2.1 +/-    1.01  0.030 / 0.040
G26     137.1          35.7                8.0 +/-    1.00      12.6 +/-    1.00  0.030 / 0.050
G31     42.5           59.8                4.5 +/-    0.44       5.1 +/-    0.44  0.130 / 0.310
G32     75.0           23.7                3.1 +/-    0.83       6.2 +/-    0.83  0.120 / 0.260