PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/01-04:42:30
G01     80.3           31.9                4.5 +/-    1.18       7.6 +/-    1.18  0.030 / 0.030
G07     130.2          40.4                7.1 +/-    0.92      10.2 +/-    0.92  0.030 / 0.030
G11     64.6           40.7                4.7 +/-    0.81       6.7 +/-    0.81  0.120 / 0.240
G13     286.0          38.8                5.1 +/-    1.88       7.5 +/-    1.88  0.070 / 0.240
G15     308.7          14.0                2.0 +/-    1.72       5.0 +/-    1.72  0.040 / 0.050
G17     217.9          60.2                7.6 +/-    1.22       8.6 +/-    1.22  0.050 / 0.060
G19     216.4          35.0                8.4 +/-    1.53      13.3 +/-    1.53  0.060 / 0.040
G28     341.9          61.3                4.8 +/-    0.53       5.4 +/-    0.53  0.050 / 0.040
G30     117.8          75.6                6.9 +/-    0.98       7.1 +/-    0.98  0.050 / 0.080