PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-06:28:00
G01     128.6          10.4               -9.5 +/-   36.18     -26.4 +/-   36.18  0.050 / 0.080
G07     49.1           69.1                1.7 +/-    0.58       1.8 +/-    0.58  0.050 / 0.090
G08     51.6           40.2                1.6 +/-    0.65       2.3 +/-    0.65  0.040 / 0.050
G09     178.1          38.2                7.0 +/-    0.69      10.5 +/-    0.69  0.040 / 0.060
G11     119.9          33.2                6.6 +/-    0.96      10.9 +/-    0.96  0.030 / 0.040
G17     199.2          14.5                3.5 +/-    0.96       8.8 +/-    0.96  0.030 / 0.040
G23     161.1          10.8                3.0 +/-    2.24       8.1 +/-    2.24  0.160 / 0.220
G28     274.0          52.3                2.2 +/-    0.88       2.8 +/-    0.88  0.100 / 0.230
G30     331.2          58.9                0.5 +/-    0.80       0.5 +/-    0.80  0.060 / 0.090