PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-06:58:10
G01     71.7           33.0                5.1 +/-    0.43       8.4 +/-    0.43  0.030 / 0.030
G07     136.8          30.1                7.0 +/-    0.95      12.3 +/-    0.95  0.030 / 0.030
G11     53.1           30.0                5.3 +/-    0.88       9.2 +/-    0.88  0.050 / 0.100
G13     275.0          38.0                7.1 +/-    0.93      10.6 +/-    0.93  0.050 / 0.130
G15     305.4          13.8                2.3 +/-    1.73       6.0 +/-    1.73  0.080 / 0.090
G17     232.7          71.2                7.6 +/-    0.87       8.0 +/-    0.87  0.080 / 0.080
G18     47.6           16.8                2.6 +/-    1.13       6.1 +/-    1.13  0.110 / 0.120
G19     223.2          38.4                5.9 +/-    1.53       8.8 +/-    1.53  0.100 / 0.120
G28     14.8           60.1                3.4 +/-    0.36       3.9 +/-    0.36  0.130 / 0.220
G30     134.8          64.4                6.7 +/-    0.55       7.3 +/-    0.55  0.140 / 0.240