PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-04:12:40
G01     76.4           32.1                5.7 +/-    0.76       9.6 +/-    0.76  0.030 / 0.040
G07     132.6          37.7                7.0 +/-    0.68      10.7 +/-    0.68  0.030 / 0.030
G11     61.5           39.2                4.5 +/-    0.69       6.7 +/-    0.69  0.050 / 0.110
G13     281.8          39.1                5.6 +/-    0.76       8.2 +/-    0.76  0.050 / 0.090
G15     305.7          15.1                1.7 +/-    2.46       4.3 +/-    2.46  0.040 / 0.090
G17     221.3          63.6                9.6 +/-    0.62      10.5 +/-    0.62  0.040 / 0.090
G19     218.2          38.0                7.8 +/-    1.23      11.8 +/-    1.23  0.070 / 0.120
G28     347.7          61.5                4.1 +/-    0.85       4.6 +/-    0.85  0.060 / 0.130
G30     125.3          73.0                7.4 +/-    0.45       7.7 +/-    0.45  0.050 / 0.070