PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-06:42:30
G01     76.1           33.2                4.0 +/-    1.33       6.6 +/-    1.33  0.050 / 0.090
G07     134.6          33.3                8.3 +/-    1.10      13.6 +/-    1.10  0.050 / 0.080
G11     55.7           32.5                3.0 +/-    0.99       5.0 +/-    0.99  0.040 / 0.040
G13     279.7          38.2                5.5 +/-    1.55       8.3 +/-    1.55  0.040 / 0.040
G15     308.4          12.8                3.3 +/-    1.71       8.6 +/-    1.71  0.040 / 0.060
G17     226.3          67.9                7.0 +/-    0.75       7.5 +/-    0.75  0.050 / 0.070
G19     220.8          35.1                7.0 +/-    1.72      11.1 +/-    1.72  0.030 / 0.020
G28     7.9            60.7                4.4 +/-    1.47       5.0 +/-    1.47  0.030 / 0.020
G30     129.9          67.9                7.0 +/-    0.62       7.5 +/-    0.62  0.110 / 0.130