PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-06:12:50
G01     109.0          24.3                8.5 +/-    1.00      16.9 +/-    1.00  0.030 / 0.040
G07     104.9          58.2                8.5 +/-    0.39       9.8 +/-    0.39  0.040 / 0.030
G08     41.7           19.6                2.8 +/-    1.98       6.3 +/-    1.98  0.090 / 0.140
G09     172.9          12.5                6.6 +/-    2.63      17.5 +/-    2.63  0.080 / 0.120
G11     89.5           42.4                8.2 +/-    0.99      11.5 +/-    0.99  0.070 / 0.130
G13     310.9          27.8                4.2 +/-    1.81       7.8 +/-    1.81  0.080 / 0.140
G17     204.0          38.3                7.9 +/-    1.15      11.9 +/-    1.15  0.240 / 0.260
G18     79.9           23.3                5.3 +/-    1.51      10.7 +/-    1.51  0.210 / 0.230
G28     310.6          60.0                5.9 +/-    0.93       6.7 +/-    0.93  0.090 / 0.150
G30     7.5            76.3                6.8 +/-    0.98       6.9 +/-    0.98  0.080 / 0.150