PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-09:28:00
G01     43.5           19.2                2.6 +/-    1.20       5.9 +/-    1.20  0.040 / 0.070
G06     178.5          32.1                5.4 +/-    2.16       9.1 +/-    2.16  0.040 / 0.080
G13     242.9          24.8                5.1 +/-    2.49      10.0 +/-    2.49  0.210 / 0.380
G15     274.7          13.8                3.9 +/-    1.36      10.0 +/-    1.36  0.190 / 0.380
G17     357.5          72.6                5.1 +/-    0.69       5.3 +/-    0.69  0.070 / 0.180
G19     269.2          68.3                4.3 +/-    0.73       4.6 +/-    0.73  0.100 / 0.200
G24     318.2          14.5                2.3 +/-    0.92       5.8 +/-    0.92  0.020 / 0.030
G28     66.9           48.3                3.9 +/-    0.34       5.0 +/-    0.34  0.030 / 0.040
G30     153.1          31.4                7.1 +/-    1.45      12.1 +/-    1.45  0.060 / 0.090