PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-08:43:10
G01     121.9          14.3                5.0 +/-    2.82      12.6 +/-    2.82  0.050 / 0.080
G07     70.9           67.3                5.2 +/-    0.81       5.6 +/-    0.81  0.060 / 0.090
G08     48.8           38.5                2.2 +/-    0.47       3.3 +/-    0.47  0.030 / 0.030
G09     176.9          31.1                6.8 +/-    1.65      11.7 +/-    1.65  0.030 / 0.040
G11     114.8          38.7                6.8 +/-    1.15      10.1 +/-    1.15  0.090 / 0.150
G13     319.3          16.6                1.8 +/-    2.69       4.2 +/-    2.69  0.070 / 0.160
G17     200.7          16.9                4.6 +/-    3.06      10.9 +/-    3.06  0.120 / 0.410
G18     98.7           18.8                5.3 +/-    1.23      12.0 +/-    1.23  0.090 / 0.400
G28     275.0          49.8                5.1 +/-    0.99       6.5 +/-    0.99  0.060 / 0.090
G30     336.0          63.4                3.3 +/-    0.69       3.6 +/-    0.69  0.050 / 0.110