PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/09-11:42:50
G01     43.4           19.1                3.5 +/-    0.78       7.8 +/-    0.78  0.110 / 0.170
G06     177.3          33.4                5.9 +/-    1.57       9.7 +/-    1.57  0.110 / 0.170
G13     243.2          24.8                5.3 +/-    1.41      10.5 +/-    1.41  0.040 / 0.110
G15     275.4          13.8                5.5 +/-    1.57      14.0 +/-    1.57  0.040 / 0.090
G17     359.3          72.2                5.0 +/-    0.90       5.2 +/-    0.90  0.040 / 0.030
G19     269.7          68.6                5.0 +/-    0.55       5.3 +/-    0.55  0.030 / 0.030
G24     318.3          14.4                2.5 +/-    2.43       6.3 +/-    2.43  0.060 / 0.130
G28     66.8           48.4                3.5 +/-    0.45       4.6 +/-    0.45  0.060 / 0.120
G30     153.4          32.4                7.1 +/-    0.71      11.9 +/-    0.71  0.060 / 0.080