PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-05:12:40
G01     110.2          23.7                5.3 +/-    2.03      10.7 +/-    2.03  0.040 / 0.030
G07     103.1          58.8                6.7 +/-    0.45       7.7 +/-    0.45  0.030 / 0.030
G08     41.8           20.6                2.5 +/-    0.68       5.3 +/-    0.68  0.060 / 0.210
G09     173.5          14.2                5.5 +/-    1.92      14.0 +/-    1.92  0.070 / 0.190
G11     91.1           42.3                6.4 +/-    0.69       9.0 +/-    0.69  0.030 / 0.040
G13     311.8          27.0                3.1 +/-    1.17       5.8 +/-    1.17  0.030 / 0.040
G17     203.4          37.1                7.4 +/-    1.46      11.3 +/-    1.46  0.050 / 0.080
G28     307.8          59.6                5.1 +/-    1.14       5.8 +/-    1.14  0.060 / 0.080
G30     4.0            75.5                5.8 +/-    0.67       6.0 +/-    0.67  0.040 / 0.050